US 20140141346A1 (19) United States (12) Patent Application Publication (10) Pub. No.: US 2014/0141346 A1 Fukuzumi et al. (54) METHOD FOR PRODUCING HYDROGEN PEROXIDE, KIT FOR PRODUCING HYDROGEN PEROXIDE, AND FUEL BATTERY (43) Pub. Date: Publication Classi?cation Int CL 301] 19/12 (200601) H01M 8/06 (2006.01) BOIJ 31/22 (2006.01) (52) US. Cl. (51) Inventors: Tomoyoshi Fukuzumi, Suenobu, Suita-shi (JP); .......... .. satoshi Kata, Suitebshi (Jp); Dachao Hong, Suita-shi (JP) May 22, 2014 (2013-01); Howls/0606 (2013-01) USPC ....................... .. 429/421; 502/150; 204/157.5 (57) ABSTRACT The present invention provides a method and a kit for pro ducing hydrogen peroxide, capable of producing hydrogen (73) Assignee: OSAKA UNIVERSITY, Suita-shi, Osaka (JP) peroxide at loW cost. The present invention further provides a fuel battery capable of utilizing hydrogen peroxide as a low cost fuel. The method for producing hydrogen peroxide of the (21) App1_ NO; 14/129,001 present invention includes a hydrogen peroxide generation (22) PCT Filed; Jun_ 25, 2012 step of irradiating a reaction system containing water, a water oxidation catalyst, a transition metal complex, and oxygen (86) PCT NO, PCT/JP2012/066191 present invention includes the transition metal complex and (O2) With light to generate hydrogen peroxide. The kit of the the water oxidation catalyst that are used in the method for § 371 (c)(1), (2), (4) Date: (30) producing hydrogen peroxide of the present invention. The Dec. 23, 2013 Foreign Application Priority Data Jun. 25, 2011 (JP) ............................... .. 2011-141280 fuel battery of the present invention includes a fuel container and a fuel battery cell, and the fuel container contains the transition metal complex and the water oxidation catalyst that are used in the method for producing hydrogen peroxide of the present invention. 200 Quantum Yieldi 20y 02-Saturaied [Fiu“(Meg—phenmCi2 Reaction Conditions H2804 (20 (2.0MM) M, 3.0 mL) ir(OH)3 (3.0 mg) Patent Application Publication May 22, 2014 Sheet 1 0f 23 US 2014/0141346 A1 in acidic soiuticn aw pomhyz'in or ghthaiocyanine iron (II!) cnmiex 1.60 womanh/x 1. 2 0 _ 0 80 2 0.40 - 450 Waveiengthinm Fig, 2 500 Patent Application Publication May 22, 2014 Sheet 2 0f 23 Time Course 600 500 E 400 g 200 100 US 2014/0141346 A1 Patent Application Publication May 22, 2014 Sheet 3 0f 23 6%:8“2Q:5Qm5N23V-6 CwcozEunmeO US 2014/0141346 A1 N0AGEC2%Q1BE $aeQQ16; o?:5u a < c62E. m Q v oom om? cow : [ ZOZH] om Patent Application Publication May 22, 2014 Sheet 4 0f 23 US 2014/0141346 A1 Emission Spectra of [Ru“(l\/k-:'2~pir‘uen)3]2+ in 2 M H2894 290 ~- Without 02 150 intesity --- With 02 100 so 0 I.” 550 l ~~~~~P~n 600 650 Wavelength, nm i 700 Patent Application Publication May 22, 2014 Sheet 5 0f 23 US 2014/0141346 A1 Time Course 20 -- 2 M H2804 15 - --- 1 M H2804 2 Ii 5 10 :5 E. 5 _ _-J-%-'*‘ """ “I O | 0 | | a | | 51015520253035 Time, min 2 M HZSO4 Highest Quantum Yield: 21% (0 ~ 1 min) Reaction Conditions 02 saturated HZSO4 (3.0 mL) [Ru"(I\/le2-phen)3]Ci2 (20 yIVI) ). = 450 nm FiG, ? Patent Application Publication May 22, 2014 Sheet 6 0f 23 US 2014/0141346 A1 1m.l BEmvowf ,0 M i WW aI25§i @20wa w$o23NE *NcozQu0sNoiI o O ~ - mmoa?aa- ég o P m w +AVTNEw>QIm=y3BEMH 51%>30-wowmm.mowTm>w>u 5amaimmow>£6mIm>w>n" Mn @ .n O I -4 ON2: 2 NF91“ .QKw // P mNO . mp N05éGiBEcm?Q%1hYzWyi Q wCOIEuUmK No6%:EQ93mi;m. 0%EE8,wA“EC iB5“f6Nn2oau8w:; Patent Application Publication May 22, 2014 Sheet 7 0f 23 US 2014/0141346 A1 Em$580 _U66wm2:amEo 6N5inOs33a58926§”=:£ :31$6560‘ No@:5QMdIs?2o92w8f EmCuOzoUcm X0: m.: o?QAE: 85 Patent Application Publication May 22, 2014 Sheet 9 of 23 Effect of H2804 Reaction Conditions 02-Saturated HZSO4 (3.0 mL [Ru“(Me2-phen)3]Ci2 (20 MM) mom3 (3.0 mg) i A > 420 nm Time, h Reactivity 2.0M>1.0M>pHO US 2014/0141346 A1 Patent Application Publication May 22, 2014 Sheet 10 0f 23 No:X0: 0.08 0.0. W 39 OZ US 2014/0141346 A1 RNEOQ: Nois3.2NV6%:852% mcCoOzEUw? Naimoéwnhzvi 8vascmwA.5 m0.8 E"zo<6=me 8N0O3N5: cm? cm Patent Application Publication May 22, 2014 Sheet 11 of 23 US 2014/0141346 A1 5 Reaction Conditions i 02-Saturated H2804 (2.0 M, 3.0 mL) 2 [Ru"(ME:2-phezn)3]Ci2 (2O ,uM) > 420 nm 1 h 500 400 2 3:300 'T'v %200 z. 100 0 O I I I I I I I 1 2 3 4 5 6 7 8 |r<0H>3,mg Homo , ' 02-Saturated Reaction Conditions H2804 (2.0 M, 3.0 mL) @? ~ [Fiu"(Me2-phen)3]0l2 |r(OH)3 or er2 (3.0 mg) (20 MM) “(ma A > 420 nm, 1 h Fig.1 SQ Patent Application Publication May 22, 2014 Sheet 12 0f 23 US 2014/0141346 A1 TG Commerciai "02 Prepared erX 105 50 105 \_~ _ _ _ u _ _ - _ _ _ _ _ a _ - _ ___40 20 100_\\ 4— ,15 \\ 95 ' 95 - 3Q - so \ 0*» h \ . g 90- <— 2 2 c -10 \ ? 90 \\ g ‘~~~ F. E» as “_‘"-~.._ -* .. g: as - G) - 5 (D B E 0 80 80 ' 75 75 F 7G I 0 100 1 l I I 200 300 400 500 _10 ---> -' -5 l 600 0 Temperature, °C 100 I l I l 200 300 400 500 _10 600 Temperature, “C DLS Commercial |r02 Prepared HO)< 100 100 80 80 - a 69 a 60 _ .5 .5 C C 2 2 5 40 5 4o - 20 20 - 0 0 I 1000 100 Diameter, nm I 10 1000 100 Diameter, nm “ f5 Q 10 Patent Application Publication May 22, 2014 Sheet 13 0f 23 US 2014/0141346 A1 1.0x105 n 0.5mm" - g :0.0><105 ~ 43 T; ~01;st - ~~1.n><1u5 ' ~1.5><m5 Elm? 125$ was monog ~2.00 x105 ‘d‘ A 4.0mm in I," yfly“- :n ,‘p 758 500 Patent Application Publication May 22, 2014 Sheet 14 0f 23 XPS US 2014/0141346 A1 -- Prepared Catalyst IIIII Commercially Available lr02 g2:us i. I (Inat.eusit)y O1wno9n1l: i ’2 mu l m as i a: e2 em as 70 Bindlnq “my 10V 68 66 64 62 60 58 Binding Energy, eV Fig 4‘ Sepmalmn of It“ and It“ spectra from the 11' if spec": measured from rlm raagem grade chemiwi Irt)I Hara, M. and coworkers. Electrochim. Actu 1983, 28, 1073 Instrument: Kratos Axis 165x Commercially Available IrO3 Presence of Both lr3+ and lr4+ on the Surface FESX 3 Patent Application Publication May 22, 2014 Sheet 15 0f 23 _ US 2014/0141346 A1 Prepared Catalyst XPS III-- Commercially Available lr02 (Inat.eusit)y 70 68 66 64 62 60 58 Binding Energy, eV C(18) (Inat.eusit)y 536 534 532 530 528 Binding Energy, eV 526 Patent Application Publication May 22, 2014 Sheet 16 0f 23 US 2014/0141346 A1 w m o v r AANo652m o . 11' ‘30 paA|oA3 >lo lunowv wiwmm cwozEvmO 6%:SENP.0Is sw:ic-2me§v_i wimp m:. as Patent Application Publication May 22, 2014 Sheet 17 0f 23 cHozmtu coNtuOsoNi "E.83“mm5 :»2 o P m oom P 000 r US 2014/0141346 A1 Ico com JNONad+.molv. .z,“5:MCN.6Em0Sé2meE.hx wilcmoawv NOW+I¢ O asueqmsqv E65(08o9%f if38m6é2aioé8gz. Patent Application Publication May 22, 2014 Sheet 18 0f 23 US 2014/0141346 A1 , 5“m3.g:6n;g oow cop omF om W” ‘FozHl 2,GK J1NONIMO?+ MmNEwnovgu 2:0:. Wacmiw@b mCoOzEuU ? 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