Regional Innovation Strategy Support Program Next-generation Energy System Creation Strategy for Kyoto Easy-to-use solid hydrogen source for fuel cell that does not require a high-pressure tank English edition released on November 2016 Issued by: Regional Scientific Innovation Hub, Kyoto (ReSIK) Planning and Production: Advanced Science, Technology & Management Research Institute of KYOTO Supervised by: Kazuyuki Hirao, Professor, Department of Material Chemistry, Graduate School of Engineering, Kyoto University and Director of Nano Technology Hub Contact Us: Regional Scientific Innovation Hub, Kyoto (ReSIK) Office: Advanced Science, Technology & Management Research Institute of KYOTO 134, ChudojiMinamimachi, Shimogyo-ku, Kyoto-city, Kyoto, Japan 600-8813 Industry-Academia-Government Collaboration Business Division, Regional Innovation Strategy Promotion Department TEL: +81-75-315-6603 FAX: +81-75-315-3695 http://www.resik.jp/ Regional Scientific Innovation Hub, Kyoto (RESIK) Towards achieving a hydrogen energy-based society TABLE OF CONTENTS Towards achieving a hydrogen energy-based society Opportunity to expand business of the fuel cell market .................................................................... 1 The technological development of triad - "Produce", "Store" and "Use" .......................................... 1 Innovation taking advantage of the solid hydrogen source Storage technology that holds the key to the spread of hydrogen energy ....................................... 2 The merit of solid hydrogen fuel cell ................................................................................................. 2 Bringing together the wisdom of entire Kyoto! Development of a recycled solid hydrogen generating material ....................................................... 3 Grand Design of Kyoto - The Environmentally Advanced City ......................................................... 4 Innovative technologies that can be handed down! 1st Generation ~ Fuel cells that would open up the market of solid hydrogen-sources ~ Combining two core technologies ................................................................................................ 5 First step towards energy solution ................................................................................................ 5 2nd Generation ~ On-site hydrogen generation apparatus that uses aluminum ~ Generation of hydrogen using household aluminum items .......................................................... 6 Towards achieving a hydrogen energy-based society Opportunity to expand business of the fuel cell market The hydrogen energy era has finally arrived. Energy in Japan, with the world’s first residential fuel cell “Ene-Farm”, generation using hydrogen, which is available abundantly in making its debut in the country. Since its release in nature and can be combined with other elements using September 2015, 140,000 units have been sold, and recently, various techniques, is attracting considerable attention its with the launch of fuel cell vehicles in the market, hydrogen prospective wide-ranging industrial applications as well as filling stations, is being set up in the four metropolitan areas. from the fossil fuel scarcity and energy crisis standpoint in The market for hydrogen energy in Japan is projected to grow general. to 10 billion U.S. dollars by 2030 and reach 80 billion U.S. There has been considerable technological development and dollars by 2050, meaning that the business opportunities are commercialization particularly in the field of hydrogen fuel cell bound to burst open in future. The technological development of triad - “Produce”, “Store” and “Use” In order to promote hydrogen energy as a promising eco-friendly system due to its impact on the environment. alternative to fossil fuel, it is important to set up a highly Of late, there have been developments in CCS technology economical and rational supply chain system from the (carbon dioxide capture and storage) and efforts to produce producer to consumer to (1) “Produce” hydrogen in large hydrogen without generating carbon dioxide by using volume, in safe manner, and at low cost; (2) transport it to renewable natural energy sources. energy consumers as a secondary energy source (energy “Use”: Apart from “Ene-Farm” and fuel cell powered vehicles, carriers) and “Store”; and (3) convert it to electrical energy research is being carried out to see how fuel cells can be and “Use”. used to power buses, trucks, industrial vehicles such as “Produce”: When hydrogen is produced by reforming fossil forklifts, ships, and so on. fuel such as natural gas or naphtha, carbon dioxide is In the near future, fuel cells are expected to come in handy as generated in the process, and we cannot say that it is an indispensable source of energy for our daily life. Grand Design for Hydrogen Fuel cell PRODUCE Using hydrogen energy in a safe and comfortable way ............................................................... 6 3rd Generation ~ Ultimate recyclable energy source ~ USE STORE (It does not emit CO2) Small hydropower (It does not emit CO2) Storage battery Miracle material - Mayenite ..........................................................................................................7 EV bus “Microwave energy” - the energy saving technology of the future ................................................ 8 Solar power Water electrolysis Hydrogen production Hydrogen storage tank Hydrogen Fuel Cell Powered Electric Wheelchair (Product under development) ............................................ 9 Hydrogen EV truck Electricity Water Fuel cell power Packer car Hot water Building Solid hydrogen source Al + Ca(OH)2 FCV bus Hydrogen Ethanol Biomass EV car Electricity Electricity Movement towards a new application Rapid charger Electricity Technological development that utilizes the knowledge seeds of the university .......................... 7 Transport Reforming equipment Hydrogen Hydrogen filling station FC car FC forklift (FC: Fuel cell) 1 Towards achieving a hydrogen energy-based society TABLE OF CONTENTS Towards achieving a hydrogen energy-based society Towards achieving a hydrogen energy-based society Opportunity to expand business of the fuel cell market Opportunity to expand business of the fuel cell market .................................................................... 1 The technological development of triad - "Produce", "Store" and "Use" .......................................... 1 Innovation taking advantage of the solid hydrogen source Storage technology that holds the key to the spread of hydrogen energy ....................................... 2 The merit of solid hydrogen fuel cell ................................................................................................. 2 Bringing together the wisdom of entire Kyoto! Development of a recycled solid hydrogen generating material ....................................................... 3 Grand Design of Kyoto - The Environmentally Advanced City ......................................................... 4 Innovative technologies that can be handed down! 1st Generation ~ Fuel cells that would open up the market of solid hydrogen-sources ~ Combining two core technologies ................................................................................................ 5 First step towards energy solution ................................................................................................ 5 The hydrogen energy era has finally arrived. Energy in Japan, with the world’s first residential fuel cell “Ene-Farm”, generation using hydrogen, which is available abundantly in making its debut in the country. Since its release in nature and can be combined with other elements using September 2015, 140,000 units have been sold, and recently, various techniques, is attracting considerable attention its with the launch of fuel cell vehicles in the market, hydrogen prospective wide-ranging industrial applications as well as filling stations, is being set up in the four metropolitan areas. from the fossil fuel scarcity and energy crisis standpoint in The market for hydrogen energy in Japan is projected to grow general. to 10 billion U.S. dollars by 2030 and reach 80 billion U.S. There has been considerable technological development and dollars by 2050, meaning that the business opportunities are commercialization particularly in the field of hydrogen fuel cell bound to burst open in future. The technological development of triad - “Produce”, “Store” and “Use” In order to promote hydrogen energy as a promising eco-friendly system due to its impact on the environment. alternative to fossil fuel, it is important to set up a highly Of late, there have been developments in CCS technology economical and rational supply chain system from the (carbon dioxide capture and storage) and efforts to produce producer to consumer to (1) “Produce” hydrogen in large hydrogen without generating carbon dioxide by using volume, in safe manner, and at low cost; (2) transport it to renewable natural energy sources. energy consumers as a secondary energy source (energy “Use”: Apart from “Ene-Farm” and fuel cell powered vehicles, carriers) and “Store”; and (3) convert it to electrical energy research is being carried out to see how fuel cells can be and “Use”. used to power buses, trucks, industrial vehicles such as “Produce”: When hydrogen is produced by reforming fossil forklifts, ships, and so on. fuel such as natural gas or naphtha, carbon dioxide is In the near future, fuel cells are expected to come in handy as generated in the process, and we cannot say that it is an indispensable source of energy for our daily life. 2nd Generation ~ On-site hydrogen generation apparatus that uses aluminum ~ Generation of hydrogen using household aluminum items .......................................................... 6 Grand Design for Hydrogen Fuel cell PRODUCE Using hydrogen energy in a safe and comfortable way ............................................................... 6 3rd Generation ~ Ultimate recyclable energy source ~ USE STORE (It does not emit CO2) Small hydropower (It does not emit CO2) Storage battery Miracle material - Mayenite ..........................................................................................................7 EV bus Solar power “Microwave energy” - the energy saving technology of the future ................................................ 8 Water electrolysis Hydrogen production EV car Hydrogen storage tank Hydrogen Electricity Hydrogen EV truck Electricity Electricity Movement towards a new application Rapid charger Electricity Technological development that utilizes the knowledge seeds of the university .......................... 7 Packer car Water Fuel cell power Fuel Cell Powered Electric Wheelchair (Product under development) ............................................ 9 Hot water Building Solid hydrogen source Al + Ca(OH)2 FCV bus Hydrogen Hydrogen filling station Ethanol Biomass Transport Reforming equipment Hydrogen FC car FC forklift (FC: Fuel cell) 1 Innovation taking advantage of the solid hydrogen source Bringing together the wisdom of entire Kyoto! Innovation taking advantage of the solid hydrogen source Storage technology that holds the key to the spread of hydrogen energy Bringing together the wisdom of entire Kyoto! Development of a recycled solid hydrogen generating material Even if much ingenuities are taken in generating hydrogen On the other hand, the size of the container has to be In order to give a push to the completely new idea of fuel cell activities, such as research and development of fuel cell efficiently, you cannot use it effectively if it cannot be stored increased in order to accumulate a large volume of hydrogen. that uses solid hydrogen and take it to the commercialization technology, establishment of manufacturing and fuel supply properly. In fact, for hydrogen, the energy density per volume Also, the transportation to remote areas is not easy. In phase, Kyoto University, Kyoto prefecture, Kyoto city and framework, development of sales channel, and establishment is 1/3 of the natural gas, and 1/3,000 of the liquid gasoline, addition, since the handling of pressure containers above 10 other various industry-supporting organizations and of laws and infrastructure, etc. Hereafter, this organization will which is extremely inefficient. Therefore, there is a atm (1 MPa) is restricted by law, it is difficult to use it as a companies have come together and formed the “Kyoto Fuel continue to promote the practical use and spread of fuel cells disadvantage that the quantity which can be stored in a power source for general household. Cell Alliance”. This organization gave birth to advanced by using solid hydrogen source. container becomes very small under the conditions of normal In contrast, rather than storing in high pressure cylinders or temperature and atmospheric pressure. For example, in the tanks, research is reported on a technology to carry out case of a fuel cell vehicle, in order to run the actual cruising storage and transportation by absorbing hydrogen atoms in a distance of 500 km, it is said that the hydrogen of a volume is metal by chemical reaction. This metal is called as hydrogen equivalent to about 60,000 L is required. Therefore, recently, a storing alloy. Other methods are also being studied, such as high-pressure technology has been developed to store the method of using ammonia as hydrogen energy carrier, or hydrogen in cylinders or tanks by compressing it up to 700 the method of marketing methane obtained from the reaction atm (70 MPa), trying to resolve this problem. between hydrogen and carbon dioxide. Advanced Chemical Technology Center in Kyoto ・Hirao Laboratory Satellite Lab http://www.act-kyoto.jp/ Nanotechnology hub, Kyoto ・Hub Manager http://www.mnhub.cpier.kyoto-u.ac.jp/ Infrastructure that supports research Kyodai Katsura Venture Plaza President, Kyoto Innovation Center The merit of solid hydrogen fuel cell In the conventional hydrogen storing alloy, various hydrogen Indeed, this can be called as the next generation hydrogen storage materials, such as titanium, manganese, zirconium storage and transportation technology. and nickel, were used. However, from the perspective of the Currently, start-up company Hirao Laboratory of Kyoto material getting heavier than hydrogen storage capacity, high University and Aquafairy Co. Ltd., are primarily manufacturing temperature is required for dehydrogenation, and there is a and selling fuel cells that use solid hydrogen source. Kyoto University Hirao Laboratory Cooperation Laboratories (Katsuhisa Tanaka Laboratory , Kiyotaka Miura Laboratory) These batteries can be reduced in size, and are portable, and Solid hydrogen is a solidified powder that generates hydrogen there is a potential of expanding the application as a charger by reacting with water, wherein hydrogen is generated only by for emergency power supply that is used in disasters and supplying water under normal temperature and it does not mobile devices, etc. Operating principle PRODUCE Hydrogen generation H2 Water Water reaction products (Calcium hydride) EV bus Rapid charger Electricity Solar power Water electrolysis Hydrogen production Hydrogen storage tank Hydrogen Electricity Fuel cell FCV bus Hydrogen Ethanol Transport Reformed goods Hydrogen Hydrogen filling station FC car 3H2 + N2 Research result Packer car Hot water Hydrogen generation from waste aluminum Hydrogen generation by recycling the residue using microwave technology In 2016, Aquafairy Co., Ltd., which is one of the alliance clean hydrogen energy, this research would also help the companies, sold the first generation small fuel cell wherein realization of a recycling-oriented society where limited hydrogen is generated by adding water to calcium hydride. resources are recycled repeatedly. In future, it is expected market wiill continue to expand for the new source of power as an alternative to lead-acid storage batteries. In addition, in Hirao Laboratory of Kyoto University, develop 2nd generation on-site type hydrogen generation device, using hydrogen obtained from a reaction between the residue (created after the generation of hydrogen, calcium hydroxide), aluminum and water. In addition to that, they are 1st Calcium hydride + Water Generation (Commercialization) CaH2+2H2O Calcium hydride 2nd aluminum calcium complex oxide, the residue of 2nd generation, can be re-used as solid hydrogen source by using outstanding research in the university Hirao Laboratory has been attracting a lot of attentions. In addition to the usage of 2 2H2+Ca(OH) Hydrogen + Calcium hydroxide (Slaked lime) Aluminum + Water + Calcium hydroxide Generation (Practical application is under development) 2AI+6H2O+3Ca (OH)2 Aluminum + Water + Calcium hydroxide working actively on the 3rd generation research, where femtosecond laser and solid-state microwave technology. This 2 Perovskite Building Solid hydrogen source Al + Ca(OH)2 Biomass LDH EV truck Electricity Fuel cell power Electride EV car Hydrogen Electricity Water Solid Hydrogen Fuel Cell submerged type hydrogen generation system, and aim to Generation of electricity and water H 2O (It does not emit CO2) Storage battery they aim to develop the 1st generation technology of the Purification Water supply USE STORE (It does not emit CO2) (FC: Fuel cell) Power generation cell 2NH3 Aquafairy Co. Ltd. FC forklift need high pressure, either. Hydrogen generation using water reaction products with less environmental burden and water only High functionality of inorganic material by external field induction Practical use Small hydropower risk arising from a violent reaction with the moisture in the air. Ammonia from solar heat 2 12 3H2+Ca3AI(OH) Hydrogen + Calcium aluminate Composite oxide (Residues of aluminum compounds) Residues of aluminum compounds are again Generation used as solid hydrogen generating material 3rd (Practical application is under development) Utilize exhaust heat from waste incinerators & steel plants, and partially leverage on solar power 3 Innovation taking advantage of the solid hydrogen source Bringing together the wisdom of entire Kyoto! Innovation taking advantage of the solid hydrogen source Storage technology that holds the key to the spread of hydrogen energy Bringing together the wisdom of entire Kyoto! Development of a recycled solid hydrogen generating material Even if much ingenuities are taken in generating hydrogen On the other hand, the size of the container has to be In order to give a push to the completely new idea of fuel cell activities, such as research and development of fuel cell efficiently, you cannot use it effectively if it cannot be stored increased in order to accumulate a large volume of hydrogen. that uses solid hydrogen and take it to the commercialization technology, establishment of manufacturing and fuel supply properly. In fact, for hydrogen, the energy density per volume Also, the transportation to remote areas is not easy. In phase, Kyoto University, Kyoto prefecture, Kyoto city and framework, development of sales channel, and establishment is 1/3 of the natural gas, and 1/3,000 of the liquid gasoline, addition, since the handling of pressure containers above 10 other various industry-supporting organizations and of laws and infrastructure, etc. Hereafter, this organization will which is extremely inefficient. Therefore, there is a atm (1 MPa) is restricted by law, it is difficult to use it as a companies have come together and formed the “Kyoto Fuel continue to promote the practical use and spread of fuel cells disadvantage that the quantity which can be stored in a power source for general household. Cell Alliance”. This organization gave birth to advanced by using solid hydrogen source. container becomes very small under the conditions of normal In contrast, rather than storing in high pressure cylinders or temperature and atmospheric pressure. For example, in the tanks, research is reported on a technology to carry out case of a fuel cell vehicle, in order to run the actual cruising storage and transportation by absorbing hydrogen atoms in a distance of 500 km, it is said that the hydrogen of a volume is metal by chemical reaction. This metal is called as hydrogen equivalent to about 60,000 L is required. Therefore, recently, a storing alloy. Other methods are also being studied, such as high-pressure technology has been developed to store the method of using ammonia as hydrogen energy carrier, or hydrogen in cylinders or tanks by compressing it up to 700 the method of marketing methane obtained from the reaction atm (70 MPa), trying to resolve this problem. between hydrogen and carbon dioxide. Advanced Chemical Technology Center in Kyoto ・Hirao Laboratory Satellite Lab http://www.act-kyoto.jp/ Nanotechnology hub, Kyoto ・Hub Manager http://www.mnhub.cpier.kyoto-u.ac.jp/ Infrastructure that supports research Kyodai Katsura Venture Plaza President, Kyoto Innovation Center The merit of solid hydrogen fuel cell In the conventional hydrogen storing alloy, various hydrogen Indeed, this can be called as the next generation hydrogen storage materials, such as titanium, manganese, zirconium storage and transportation technology. and nickel, were used. However, from the perspective of the Currently, start-up company Hirao Laboratory of Kyoto material getting heavier than hydrogen storage capacity, high University and Aquafairy Co. Ltd., are primarily manufacturing temperature is required for dehydrogenation, and there is a and selling fuel cells that use solid hydrogen source. Kyoto University Hirao Laboratory Cooperation Laboratories (Katsuhisa Tanaka Laboratory , Kiyotaka Miura Laboratory) PRODUCE USE STORE (It does not emit CO2) These batteries can be reduced in size, and are portable, and (It does not emit CO2) Storage battery EV bus Rapid charger Electricity Water electrolysis Hydrogen production Solid Hydrogen Fuel Cell Electride LDH Perovskite EV car Hydrogen storage tank Hydrogen there is a potential of expanding the application as a charger EV truck for emergency power supply that is used in disasters and Packer car Fuel cell power Hot water supplying water under normal temperature and it does not mobile devices, etc. Biomass Transport Operating principle Hydrogen filling station Reformed goods Hydrogen FC car FC forklift Hydrogen generation from waste aluminum (FC: Fuel cell) need high pressure, either. Hydrogen generation using water reaction products with less environmental burden and water only FCV bus Hydrogen Ethanol clean hydrogen energy, this research would also help the companies, sold the first generation small fuel cell wherein realization of a recycling-oriented society where limited hydrogen is generated by adding water to calcium hydride. resources are recycled repeatedly. In future, it is expected market wiill continue to expand for the Power generation cell new source of power as an alternative to lead-acid storage 1st Calcium hydride + Water Generation (Commercialization) batteries. In addition, in Hirao Laboratory of Kyoto University, CaH2+2H2O 2 2H2+Ca(OH) Calcium hydride Hydrogen + Calcium hydroxide (Slaked lime) submerged type hydrogen generation system, and aim to Water supply Hydrogen generation Fuel cell Generation of electricity and water H 2O H2 Water Water reaction products (Calcium hydride) develop 2nd generation on-site type hydrogen generation device, using hydrogen obtained from a reaction between the residue (created after the generation of hydrogen, calcium hydroxide), aluminum and water. In addition to that, they are 2nd Aluminum + Water + Calcium hydroxide Generation (Practical application is under development) 2AI+6H2O+3Ca (OH)2 2 12 3H2+Ca3AI(OH) Aluminum + Water + Calcium hydroxide Hydrogen + Calcium aluminate Composite oxide (Residues of aluminum compounds) working actively on the 3rd generation research, where aluminum calcium complex oxide, the residue of 2nd generation, can be re-used as solid hydrogen source by using femtosecond laser and solid-state microwave technology. This outstanding research in the university Hirao Laboratory has 2 Hydrogen generation by recycling the residue using microwave technology In 2016, Aquafairy Co., Ltd., which is one of the alliance they aim to develop the 1st generation technology of the Purification + N2 Research result Electricity Electricity Water Solid hydrogen source Al + Ca(OH)2 3H2 Electricity Hydrogen Building by reacting with water, wherein hydrogen is generated only by 2NH3 Aquafairy Co. Ltd. Solar power Solid hydrogen is a solidified powder that generates hydrogen High functionality of inorganic material by external field induction Practical use Small hydropower risk arising from a violent reaction with the moisture in the air. Ammonia from solar heat been attracting a lot of attentions. In addition to the usage of Residues of aluminum compounds are again Generation used as solid hydrogen generating material 3rd (Practical application is under development) Utilize exhaust heat from waste incinerators & steel plants, and partially leverage on solar power 3 Bringing together the wisdom of entire Kyoto! Innovative technologies that can be handed down! Grand Design of Kyoto - The Environmentally Advanced City Innovative technologies that can be handed down! Japan's first project of converting kitchen waste and paper Futuristically, it is being waste to bioethanol is being undertaken in Kyoto, and it is depicted as a grand vision of possible to further promote the recycling of waste, by realizing a recycling-oriented combining this with the technology of generating hydrogen society with zero emissions, from second and third generation solid hydrogen-sources, by storing biomass or such as aluminum from empty cans. Further, the research in hydrogen energy obtained in environmental technology to produce/synthesize hydrogen or this way and utilizing it as a ammonia gas from natural renewable energy sources, such fuel for the city buses and as solar heat, is also being tried in the Hirao Laboratory. public transportation system, etc. Introduction of the Laboratory 1st Generation Towards achieving a fantasy world by utilizing the waste heat, sunlight etc., on waste matter or residues! Application in hydrogen generation and portable fuel cells For the portable hydrogen fuel cell, it is desirable that Hirao Laboratory, Kyoto University Dr. Kazuyuki Hirao the required amount of hydrogen is generated on demand. Accordingly, we are conducting catalytic studies to control the yield or reaction rate of the Professor, Department of Material Chemistry, Graduate School of Engineering, Kyoto University and Director of Nano Technology Hub inorganic materials that react with water to generate By focusing on inorganic solid-state materials, we are ■Construction and functionalization of self-organized conducting research with the aim of contributing to the development of new materials or green innovation by establishing technologies to multidimensionally build microstructures ranging from the order of element or molecule to the order of micron, and controlling their chemical, electrical and optical properties. hydrogen. ~ Fuel cells that would open up the market of solid hydrogen-sources ~ Combining two core technologies Fuel cell offered by Aquafairy Corporation was the pioneer in It has a satisfactory performance of 1200 Whr capacitance opening up the market of solid hydrogen-sources. The cell has (600 Whr per 1 fuel tank x 2 units) and maximum output of 100 been put to practical use to generate hydrogen on-demand by W with the weight being limited to 7 kg. These fuel cell has one adding water to calcium hydride, which acts as the fuel, by fourth the weight of lead storage battery of similar capacitance, combining the 2 core technologies given below: (1) Developing and has the characteristics of being light weight, compact and a low-pressure driven small scale generation system that therefore portable. works at an atmospheric pressure of 0.2 by creating an Further, unlike gasoline or light oil that deteriorates within a ultra-thin cell (thickness: 2 mm) using a unique plastic molding short period of time, the solid hydrogen-source calcium hydride technology, and (2) By coating the calcium hydride, which can be stored for long-term. Therefore, one can consider using intensely reacts with water, with thermosetting resin so that the it as the new energy storage system of next generation. hydrolysis reaction can be controlled at a slow and safe pace. Other topics of research metal nanostructures ■Synthesis of gel with catalytic or ambient light functionality using the liquid‐phase method ■Luminescent materials to be used as green energy ■Formation of functional nanoparticles using the liquid-phase femtosecond laser ablation method First step towards energy solution This first generation fuel cell can act as an emergency power remote mountain peaks, power source of electric wheelchairs source during disasters, and can power a floodlight about used in nursing since it does not emit carbon dioxide and is 20-30 W of output for about 40 hours, a ventilation fan for noise-free, etc. Introduction of this novel concept that has more than 110 hours, respectively. Although the lead storage excellent portability might give birth to new solutions, which batteries are being used as power sources for the unmanned could not be implemented with the conventional energy observation/measuring equipment, surveillance cameras, etc., sources. they need to be charged or replaced periodically. However, D ATA substantial reduction of maintenance time and cost can be Aquafairy Corporation achieved by creating a system in which the electricity generated in the solid hydrogen fuel cell gets stored in a Address Room No. 2115, Kyodai-Katsura Venture Plaza, secondary/rechargeable battery and is supplied whenever required. The following uses are being considered at present: independent power source of wireless towers installed on Hitoshi Ishizaka, Vice President 4 South Building, 1-39 Goryo-Ohara, Nishikyo-Ku, Kyoto E-mail [email protected] Business Design, development, manufacture, areas and sales of fuel cells http://www.aquafairy.co.jp/ 5 Bringing together the wisdom of entire Kyoto! Innovative technologies that can be handed down! Grand Design of Kyoto - The Environmentally Advanced City Innovative technologies that can be handed down! Japan's first project of converting kitchen waste and paper Futuristically, it is being waste to bioethanol is being undertaken in Kyoto, and it is depicted as a grand vision of possible to further promote the recycling of waste, by realizing a recycling-oriented combining this with the technology of generating hydrogen society with zero emissions, from second and third generation solid hydrogen-sources, by storing biomass or such as aluminum from empty cans. Further, the research in hydrogen energy obtained in environmental technology to produce/synthesize hydrogen or this way and utilizing it as a ammonia gas from natural renewable energy sources, such fuel for the city buses and as solar heat, is also being tried in the Hirao Laboratory. public transportation system, etc. Introduction of the Laboratory 1st Generation Towards achieving a fantasy world by utilizing the waste heat, sunlight etc., on waste matter or residues! Application in hydrogen generation and portable fuel cells For the portable hydrogen fuel cell, it is desirable that the required amount of hydrogen is generated on Hirao Laboratory, Kyoto University Dr. Kazuyuki Hirao demand. Accordingly, we are conducting catalytic studies to control the yield or reaction rate of the Professor, Department of Material Chemistry, Graduate School of Engineering, Kyoto University and Director of Nano Technology Hub inorganic materials that react with water to generate By focusing on inorganic solid-state materials, we are ■Construction and functionalization of self-organized conducting research with the aim of contributing to the hydrogen. Fuel cell offered by Aquafairy Corporation was the pioneer in It has a satisfactory performance of 1200 Whr capacitance opening up the market of solid hydrogen-sources. The cell has (600 Whr per 1 fuel tank x 2 units) and maximum output of 100 been put to practical use to generate hydrogen on-demand by W with the weight being limited to 7 kg. These fuel cell has one adding water to calcium hydride, which acts as the fuel, by fourth the weight of lead storage battery of similar capacitance, combining the 2 core technologies given below: (1) Developing and has the characteristics of being light weight, compact and a low-pressure driven small scale generation system that therefore portable. works at an atmospheric pressure of 0.2 by creating an Further, unlike gasoline or light oil that deteriorates within a ultra-thin cell (thickness: 2 mm) using a unique plastic molding short period of time, the solid hydrogen-source calcium hydride technology, and (2) By coating the calcium hydride, which can be stored for long-term. Therefore, one can consider using intensely reacts with water, with thermosetting resin so that the it as the new energy storage system of next generation. hydrolysis reaction can be controlled at a slow and safe pace. metal nanostructures development of new materials or green innovation by establishing technologies to multidimensionally build functionality using the liquid‐phase method ■Luminescent materials to be used as green energy molecule to the order of micron, and controlling their Combining two core technologies Other topics of research ■Synthesis of gel with catalytic or ambient light microstructures ranging from the order of element or ~ Fuel cells that would open up the market of solid hydrogen-sources ~ ■Formation of functional nanoparticles using the liquid-phase femtosecond laser ablation method chemical, electrical and optical properties. First step towards energy solution This first generation fuel cell can act as an emergency power remote mountain peaks, power source of electric wheelchairs source during disasters, and can power a floodlight about used in nursing since it does not emit carbon dioxide and is 20-30 W of output for about 40 hours, a ventilation fan for noise-free, etc. Introduction of this novel concept that has more than 110 hours, respectively. Although the lead storage excellent portability might give birth to new solutions, which batteries are being used as power sources for the unmanned could not be implemented with the conventional energy observation/measuring equipment, surveillance cameras, etc., sources. they need to be charged or replaced periodically. However, D ATA substantial reduction of maintenance time and cost can be Aquafairy Corporation achieved by creating a system in which the electricity generated in the solid hydrogen fuel cell gets stored in a Address Room No. 2115, Kyodai-Katsura Venture Plaza, secondary/rechargeable battery and is supplied whenever required. The following uses are being considered at present: independent power source of wireless towers installed on Hitoshi Ishizaka, Vice President 4 South Building, 1-39 Goryo-Ohara, Nishikyo-Ku, Kyoto E-mail [email protected] Business Design, development, manufacture, areas and sales of fuel cells http://www.aquafairy.co.jp/ 5 Innovative technologies that can be handed down! ~ On-site hydrogen generation apparatus that uses aluminum ~ 2nd Generation 3rd Generation Generation of hydrogen using household aluminum items Miracle material – Mayenite Taking the first generation research a step forward, the development of a second generation Research on reusing Katoite, a second generation reaction residue, as a solid hydrogen generation apparatus that produces hydrogen by adding aluminum, water and calcium hydrogen-generating source is being done in the Hirao Laboratory with the aim of developing an hydroxide is in progress. Powdered aluminum, which is a conventional material used for hydrogen ultimate recyclable source of energy. Although Katoite is an aluminum-calcium composite generation, has high reactivity with water and becomes combustible due to its ease of oxidation hydrate contained in cement etc., upon carrying out heat treatment, it alters its structure into an owing to its large surface area. Therefore, it was considered to be unsuitable for on-site hydrogen oxide known as Mayenite that has hydrogen absorbing function. generation in which the required amount of hydrogen would be generated at the required time. Unlike the conventional hydrogen absorbing alloys that require high temperature and pressure In this research, by modifying the material present in the aluminum foil for home use (thickness: for dehydrogenation, Mayenite releases/generates hydrogen from its surface or interior after between 11 to 12 μm) or similar sheet and restraining the overall surface area, it was possible to reacting with water at a low temperature such as 60°C, and returns back to Katoite. It possesses Dr. Kohji Nagashima control the quantity, speed, and time of the reaction. On the other hand, it means that the aluminum foil whose surface is covered with oxide film does not Program-Specific Researcher, Department of Material Chemistry, Graduate School of Engineering, Kyoto University react with water, as it is but the film is removed by the action of calcium hydroxide, which is the residue of the first generation, and the reaction with aluminum is accelerated. In the future, it might be possible to recycle the recovered waste aluminum cans etc. One can certainly say that it is a system that boosts a recycling-oriented society in which energy or ter Wassel ve H2O H2O H2O (2) Hydrogen generation H 2O H2 (1) Water supply (3) Hydrogen filling (4) Hydrogen release 3rd Generation (Recyclable hydrogen source) H2 H2 (5) Hydrogen ionization H2 H2 H+ H2 Aluminum + Calcium hydroxide On-site type hydrogen generator Hydrogen absorbing alloy cylinder - Is not a pressurized container - Is light-weight and space saving - Can be used repeatedly H O2 O2 O2 O2 H+ + H2O Using hydrogen energy in a safe and comfortable way Wave guide Cell part Fuel cell Wave guide Wave guide O2 O2 Microwave heating 2 Electrolyte membrane Cathode Anode Hydrogen (Addition of Carbon) Ca O2 (6) H2 Permeation of HO H O2 hydrogen ion H2 fe le, sa Stab venient! n o and c H2O + H+ H2 P (7) Reaction with oxygen e- H2 H2 Recovered residue of calcium aluminate hydrate Power monitor EH tuner Isolator e- Electron Atmosphere Program-Specific Researcher, Department of Material Chemistry, Graduate School of Engineering, Kyoto University electrons in hydrogen and oxygen ions, it would also gain popularity in new catalytic studies. Microwave transmitter (8) Output of electricity Hydrogen generation reactor ly supp ower simple p o N nt! ired, requ convenie and since it enables free design such as imparting conductivity to the oxide by displacing the Ca3Al2(OH)12+Al2O3 etc. Illustration of hydrogen generation, filling and FC generation Dr. Visbal Heidy the recyclable property of undergoing hydration and oxidation for any number of times. Further, 2nd Generation residues resources are well utilized. 6 ~ Ultimate recyclable energy source ~ silica tube Katoite (Calcium aluminate hydrate) O AI H 2O 60°C Hydrogen Mayenite (Hydrogen absorbing calcium aluminate oxide) Technological development that utilizes the knowledge seeds of the university The revolutionary innovation technology developed by the process of heating by using microwaves, which is utilized in university is being used in the reforming process of this microwave oven, gained attention. In the general heating aluminum compound with new functionality. In one method, process, heat diffusion occurs from the surface of a the hydrogen absorption is increased drastically by increasing substance; however, since microwaves generate heat from The hydrogen obtained on-site is momentarily stored in hydrogen absorbing alloy cylinder and used the surface area by nanoizing the particles of the residue of the oscillation of molecules and ions inside an electric field, it for generating hydrogen in a fuel cell whenever required. However, in such case, instead of a second generation aluminum compound. This is achieved by enables effective control of the atmosphere of the material. high-pressure container of 1 MPa whose handling is regulated by law, we are aiming to develop a irradiating them using ultra-short light pulse of an extremely Although Katoite has a property of not being able to absorb hydrogen storage system below 0.9 MPa which is light-weight and can steadily supply hydrogen large peak power from the femtosecond laser studied by Prof. microwaves at low temperatures, blending it with carbon of 100 NL (normal liter) within 1 hour in a safe and comfortable manner. The current prototype can Hirao. When compared to the particles that have not enables the absorption of microwaves and heating to the power a 10 W output for 1200 minutes and can even power a 200 W output for approximately 30 undergone laser treatment, great results such as more than 6 required temperature within a short period of time along with minutes. We are thinking to increase the storage capacity to around 1 kWhr in the future. times increase in the surface area (m /g) and 100 times simultaneously creating a reducing environment. Until now, it was being governed by the High Pressure Gas Safety Act since it is dangerous to increase in the number of particles were obtained during the Starting with the aluminum scrap, if this third generation install high-pressure cylinders on roads or inside buildings; however, in the case of this experiment. system, which repeatedly utilizes the byproducts of the first low-pressure hydrogen generating apparatus, it can be installed at places such as traffic lights, On the other hand, in order to reform from Katoite to and second generation reactions with zero-emissions, can be vending machines, community halls, and gymnasiums. Mayenite, it was undergoing a time consuming process put to practical use, in the near future, it might be possible to In addition to ensuring power supply in the case of unforeseen disastrous events, the situations known as heat treatment at a high temperature of more than transform the society that has been depending on fossil fuel. where it would act as a second generation fuel cell to supply power to the security cameras or the 1300°C for not less than 6 hours. Due to this, it was It can certainly be called as a research related to energy base station of the mobile phones are likely to increase. consuming excess energy for obtaining hydrogen. Here, the revolution. 2 7 Innovative technologies that can be handed down! 2nd Generation 3rd Generation ~ On-site hydrogen generation apparatus that uses aluminum ~ Generation of hydrogen using household aluminum items Miracle material – Mayenite Taking the first generation research a step forward, the development of a second generation Research on reusing Katoite, a second generation reaction residue, as a solid hydrogen generation apparatus that produces hydrogen by adding aluminum, water and calcium hydrogen-generating source is being done in the Hirao Laboratory with the aim of developing an hydroxide is in progress. Powdered aluminum, which is a conventional material used for hydrogen ultimate recyclable source of energy. Although Katoite is an aluminum-calcium composite generation, has high reactivity with water and becomes combustible due to its ease of oxidation hydrate contained in cement etc., upon carrying out heat treatment, it alters its structure into an owing to its large surface area. Therefore, it was considered to be unsuitable for on-site hydrogen oxide known as Mayenite that has hydrogen absorbing function. generation in which the required amount of hydrogen would be generated at the required time. Unlike the conventional hydrogen absorbing alloys that require high temperature and pressure In this research, by modifying the material present in the aluminum foil for home use (thickness: for dehydrogenation, Mayenite releases/generates hydrogen from its surface or interior after between 11 to 12 μm) or similar sheet and restraining the overall surface area, it was possible to reacting with water at a low temperature such as 60°C, and returns back to Katoite. It possesses Dr. Kohji Nagashima control the quantity, speed, and time of the reaction. On the other hand, it means that the aluminum foil whose surface is covered with oxide film does not Program-Specific Researcher, Department of Material Chemistry, Graduate School of Engineering, Kyoto University react with water, as it is but the film is removed by the action of calcium hydroxide, which is the residue of the first generation, and the reaction with aluminum is accelerated. In the future, it might be possible to recycle the recovered waste aluminum cans etc. since it enables free design such as imparting conductivity to the oxide by displacing the 3rd Generation (Recyclable hydrogen source) resources are well utilized. Ca3Al2(OH)12+Al2O3 etc. ter Wassel ve H2O H2O H2O (2) Hydrogen generation H 2O (3) Hydrogen filling (4) Hydrogen release H2 H2 H2 H2 H+ ly supp ower simple p o N nt! ired, requ convenie and Aluminum + Calcium hydroxide On-site type hydrogen generator Hydrogen absorbing alloy cylinder - Is not a pressurized container - Is light-weight and space saving - Can be used repeatedly H O2 H+ H2O Using hydrogen energy in a safe and comfortable way Wave guide Fuel cell Wave guide Wave guide O2 O2 Microwave heating 2 Electrolyte membrane Cathode Anode Cell part O AI O2 O2 O2 + Hydrogen (Addition of Carbon) Ca O2 (6) H2 Permeation of HO H O2 hydrogen ion H2 fe le, sa Stab venient! n o and c H2O + H+ H2 P (7) Reaction with oxygen e- (5) Hydrogen ionization H2 H2 Hydrogen generation reactor Recovered residue of calcium aluminate hydrate Power monitor EH tuner Isolator H2 H2 (1) Water supply Microwave transmitter e- Electron Program-Specific Researcher, Department of Material Chemistry, Graduate School of Engineering, Kyoto University electrons in hydrogen and oxygen ions, it would also gain popularity in new catalytic studies. 2nd Generation residues (8) Output of electricity Dr. Visbal Heidy the recyclable property of undergoing hydration and oxidation for any number of times. Further, One can certainly say that it is a system that boosts a recycling-oriented society in which energy or Illustration of hydrogen generation, filling and FC generation 6 ~ Ultimate recyclable energy source ~ H 2O 60°C Hydrogen silica tube Katoite (Calcium aluminate hydrate) Mayenite (Hydrogen absorbing calcium aluminate oxide) Technological development that utilizes the knowledge seeds of the university Atmosphere The revolutionary innovation technology developed by the process of heating by using microwaves, which is utilized in university is being used in the reforming process of this microwave oven, gained attention. In the general heating aluminum compound with new functionality. In one method, process, heat diffusion occurs from the surface of a the hydrogen absorption is increased drastically by increasing substance; however, since microwaves generate heat from The hydrogen obtained on-site is momentarily stored in hydrogen absorbing alloy cylinder and used the surface area by nanoizing the particles of the residue of the oscillation of molecules and ions inside an electric field, it for generating hydrogen in a fuel cell whenever required. However, in such case, instead of a second generation aluminum compound. This is achieved by enables effective control of the atmosphere of the material. high-pressure container of 1 MPa whose handling is regulated by law, we are aiming to develop a irradiating them using ultra-short light pulse of an extremely Although Katoite has a property of not being able to absorb hydrogen storage system below 0.9 MPa which is light-weight and can steadily supply hydrogen large peak power from the femtosecond laser studied by Prof. microwaves at low temperatures, blending it with carbon of 100 NL (normal liter) within 1 hour in a safe and comfortable manner. The current prototype can Hirao. When compared to the particles that have not enables the absorption of microwaves and heating to the power a 10 W output for 1200 minutes and can even power a 200 W output for approximately 30 undergone laser treatment, great results such as more than 6 required temperature within a short period of time along with minutes. We are thinking to increase the storage capacity to around 1 kWhr in the future. times increase in the surface area (m /g) and 100 times simultaneously creating a reducing environment. Until now, it was being governed by the High Pressure Gas Safety Act since it is dangerous to increase in the number of particles were obtained during the Starting with the aluminum scrap, if this third generation install high-pressure cylinders on roads or inside buildings; however, in the case of this experiment. system, which repeatedly utilizes the byproducts of the first low-pressure hydrogen generating apparatus, it can be installed at places such as traffic lights, On the other hand, in order to reform from Katoite to and second generation reactions with zero-emissions, can be vending machines, community halls, and gymnasiums. Mayenite, it was undergoing a time consuming process put to practical use, in the near future, it might be possible to In addition to ensuring power supply in the case of unforeseen disastrous events, the situations known as heat treatment at a high temperature of more than transform the society that has been depending on fossil fuel. where it would act as a second generation fuel cell to supply power to the security cameras or the 1300°C for not less than 6 hours. Due to this, it was It can certainly be called as a research related to energy base station of the mobile phones are likely to increase. consuming excess energy for obtaining hydrogen. Here, the revolution. 2 7 Movement towards a new application Innovative technologies that can be handed down! Reducing environment 2.45 GHz Temperature: From 800°C to 900°C around 1000 W Duration: 20 min Mayenite + Carbon Movement towards a new application Patent related: Patent application No. JP2015-091275 Method of manufacturing conductive mayenite Kyoto University and HAIFC, a start-up company, are jointly collaborating with medical devices and equipment manufacturer Kishi Engineering Co., Ltd. to develop an electric wheelchair using fuel cell that utilizes first-generation solid hydrogen source. This Microwave process Usual process Upto 900° C 20min 1300°C for more than 6 hours Femtosecond laser process Microwave process Katoite (Calcium aluminate hydrate) Ca3Al2(OH)12 Fuel Cell Powered Electric Wheelchair (Product under development) Control of the environment Ca Low temperature Short duration O electric wheelchair equipped with a lift mechanism comes with a fuel cell unit, allowing users to operate the wheelchair even while it is getting recharged. Wheelchair users can raise themselves to a standing height using the lift mechanism, and enjoy viewing artwork in an art gallery or museum just like anybody else. They can operate it for long periods of time without recharging or having to worry about the battery getting exhausted due to the AI Mayenite (Hydrogen absorbing calcium aluminate oxide) Ca12Al14O32 lifting operation, and can make do with changing the solid hydrogen source cartridge just once a week. Volume of hydrogen 1,000 ml/h Amount generated corresponds to 3 Wh Energy saving and low costs can be achieved! Features ・It comes with a lift mechanism, so wheelchair users can reach places at a height while remaining seated. ・They need not recharge their batteries on a daily basis. ・This wheelchair uses low-pressure hydrogen technology making it very safe. ・In the event of a disaster, it can be used as an auxiliary power supply unit. ・Fuel cell output: 30 W ・Solid hydrogen source fuel: Calcium hydride 300 Whr/battery x two batteries “Microwave energy” - the energy saving technology of the future Since the microwaves that fall in the shortest wavelength semi-conductor microwave reactors that can easily control the region (1 m to 100 μm) in the electromagnetic waves can also strength or temperature fluctuations of the microwave, by cause efficient dielectric heating of the substance by changing Minerva Light Lab, a venture incubated by the university. the polarity of the positive and negative molecules in an Such microwave processing technology is being used in the electric field, they are being used for synthesis, disintegration, third generation research for reforming the aluminum-calcium and extraction of complexes that have various functionalities. compounds. The third generation research has greatly Although magnetron has conventionally been the main power progressed as a future technology that can achieve both source, the scope of its application in scientific fields is energy saving and cost reduction. continuing to increase such as the development of world's first loadable D ATA Kishi Engineering Co., Ltd. Yukio Kishi Chief Executive Officer Address Satogatacho, Izumo, Shimane Prefecture 893-5 E-mail [email protected] Businesses devices and equipment, Medical industrial robots, labor-saving devices, agricultural machinery and more. http://www.kishieng.co.jp/ Elliptical chamber type semiconductor precision microwave reactor D ATA Minerva Light Lab Address 2nd Floor, Keihanna Plaza Lab Building, Semiconductor power supplied microwave reactor Takeko Matsumura Director 8 1-7 Hikaridai, Seika-cho, Soraku-gun, Kyoto prefecture E-mail [email protected] Business Development of microwave equipment, areas synthesis of high-purity functional luminescent complexes, etc. http://www.mll.jp/ 9 Movement towards a new application Innovative technologies that can be handed down! Reducing environment 2.45 GHz Temperature: From 800°C to 900°C around 1000 W Duration: 20 min Mayenite + Carbon Movement towards a new application Patent related: Patent application No. JP2015-091275 Method of manufacturing conductive mayenite Fuel Cell Powered Electric Wheelchair (Product under development) Kyoto University and HAIFC, a start-up company, are jointly collaborating with medical devices and equipment manufacturer Kishi Engineering Co., Ltd. to develop an electric wheelchair using fuel cell that utilizes first-generation solid hydrogen source. This Microwave process Usual process Upto 900° C 20min 1300°C for more than 6 hours Femtosecond laser process Microwave process Katoite (Calcium aluminate hydrate) Ca3Al2(OH)12 electric wheelchair equipped with a lift mechanism comes with a fuel cell unit, allowing users to operate the wheelchair even while Control of the environment Low temperature Short duration it is getting recharged. Wheelchair users can raise themselves to a standing height using the lift mechanism, and enjoy viewing artwork in an art gallery or museum just like anybody else. Ca O They can operate it for long periods of time without recharging or having to worry about the battery getting exhausted due to the AI Mayenite (Hydrogen absorbing calcium aluminate oxide) Ca12Al14O32 lifting operation, and can make do with changing the solid hydrogen source cartridge just once a week. Volume of hydrogen 1,000 ml/h Amount generated corresponds to 3 Wh Energy saving and low costs can be achieved! Features ・It comes with a lift mechanism, so wheelchair users can reach places at a height while remaining seated. ・They need not recharge their batteries on a daily basis. ・This wheelchair uses low-pressure hydrogen technology making it very safe. ・In the event of a disaster, it can be used as an auxiliary power supply unit. ・Fuel cell output: 30 W ・Solid hydrogen source fuel: Calcium hydride 300 Whr/battery x two batteries “Microwave energy” - the energy saving technology of the future Since the microwaves that fall in the shortest wavelength semi-conductor microwave reactors that can easily control the region (1 m to 100 μm) in the electromagnetic waves can also strength or temperature fluctuations of the microwave, by cause efficient dielectric heating of the substance by changing Minerva Light Lab, a venture incubated by the university. the polarity of the positive and negative molecules in an Such microwave processing technology is being used in the electric field, they are being used for synthesis, disintegration, third generation research for reforming the aluminum-calcium and extraction of complexes that have various functionalities. compounds. The third generation research has greatly Although magnetron has conventionally been the main power progressed as a future technology that can achieve both source, the scope of its application in scientific fields is energy saving and cost reduction. continuing to increase such as the development of world's first loadable D ATA Kishi Engineering Co., Ltd. Yukio Kishi Chief Executive Officer Address Satogatacho, Izumo, Shimane Prefecture 893-5 E-mail [email protected] Businesses devices and equipment, Medical industrial robots, labor-saving devices, agricultural machinery and more. http://www.kishieng.co.jp/ Elliptical chamber type semiconductor precision microwave reactor D ATA Minerva Light Lab Address 2nd Floor, Keihanna Plaza Lab Building, Semiconductor power supplied microwave reactor Takeko Matsumura Director 8 1-7 Hikaridai, Seika-cho, Soraku-gun, Kyoto prefecture E-mail [email protected] Business Development of microwave equipment, areas synthesis of high-purity functional luminescent complexes, etc. http://www.mll.jp/ 9 Regional Innovation Strategy Support Program Next-generation Energy System Creation Strategy for Kyoto Easy-to-use solid hydrogen source for fuel cell that does not require a high-pressure tank English edition released on November 2016 Issued by: Regional Scientific Innovation Hub, Kyoto (ReSIK) Planning and Production: Advanced Science, Technology & Management Research Institute of KYOTO Supervised by: Kazuyuki Hirao, Professor, Department of Material Chemistry, Graduate School of Engineering, Kyoto University and Director of Nano Technology Hub Contact Us: Regional Scientific Innovation Hub, Kyoto (ReSIK) Office: Advanced Science, Technology & Management Research Institute of KYOTO 134, ChudojiMinamimachi, Shimogyo-ku, Kyoto-city, Kyoto, Japan 600-8813 Industry-Academia-Government Collaboration Business Division, Regional Innovation Strategy Promotion Department TEL: +81-75-315-6603 FAX: +81-75-315-3695 http://www.resik.jp/ Regional Scientific Innovation Hub, Kyoto (RESIK)
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