Key points on Deep cycle battery
Dr. Alex Wu
Email: [email protected]
Wechat/imo/whatsapp: +86 1860 222 8481
Dr. Alex Wu [email protected]
Index
1.
2.
3.
4.
5.
6.
What is deep cycle battery
Key technology on deep cycle battery
Key process on Deep cycle battery
Key machinery on Deep cycle battery
Key materials on Deep cycle battery
conclusion
Dr. Alex Wu [email protected]
Chinese Culture—five blessing
Dr. Alex Wu [email protected]
Five blessing
• Longevity----long life
• Wealth---good capacity
• Health---no faulty
• Love of virtue---consistency; application
• Natural death---no shut down suddenly
Dr. Alex Wu [email protected]
1. What is Deep Cycle battery
Deep Cycle batteries have thicker lead plates, compare to starter
battery, that make them tolerate deep discharges better. They
can not despense charge as quickly as a starter battery but can
also be used to start combustion engines. You would siply need
a bigger deep cycle battery than if you had used a dedicated
starter type battery instead. The thicker the lead plates, the
longer the life span, all things being equal. Battery weight is a
simple indicator for the thickness of the lead plates used in a
battery. The heavier a battery for a given group size, the thicker
the plates, and the better the battery will tolerate deep
discharges.
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the application of deep cycle battery:
E-rickshaw battery, easy bike battery, traction
battery, EV battery, IPS battery, Energy
storage battery, sub-marine battery, Golf car
battery, Sweeper battery, UPS battery, etc.
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Lost and founder counter
• Which is your battery?
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2. Key technology
A. Battery structure
B. Plate design
C. Recipe
D. Electrolyte volume
E. others
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2. Key technology: battery structure
A.Battery structure
a. The number of the positive and negative
plates
b. The assembly pressure of the cell
c. Electrolyte volume
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2. Key technology: plate design
B. Plate design
a. Utilization of AM
b. Plate thickness
c. Plate diamond
d. Plate frame
e. Ratio of the active material
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2. Key technology: Recipe
C. Recipe: Right for DOD!
a. Positive: robust structure, thickness?
b. Negative: additive for fine crystal
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2. Key technology: Electrolyte volume
•D. Electrolyte volume
The function of the Electrolyte in the
battery?
Who should control the capacity of the
battery? Why?
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2. Key technology: others
•A. Oxide: particle size, density, oxidation etc
•B. Plate curing: High temperature? Low
temperature?
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3. Key process: perfect consistency
A.Curing：tublar plate／flat plate
B. Flat plate: acid spray
C. Battery formation
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4. Key machine
1. Acid recirculation:
2. PDC:
3. Assembly line: intermediate frequency
intercell welding machine
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4. Key Machinery: Acid recirculation
Advantage: Perfect battery consistency; Low
cost; environment friendly; save energy; high
efficiency
Disadvantage: Bias of the charging current on
battery
Key points on the acid recirculation: no bias
on charging current; easy to management!
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4. Key machinery: acid recirculation
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4. Key machinery: PDC
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4. Key machinery: Intercell welding mc
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5. Key materials
•Lead alloy: more than 99.993
•Acid purity: iron content less than 1 ppm!
•Separator: PE(industry); PVC-Silicon; AGM;
etc.
•Additive: graphite; humid acid; carbon fiber;
4BS
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6. conclusion
High purity material, high technology, right
design, perfect process and accuracy
machinery is necessary for good Deep cycle
battery. But we should remember that good
deep cycle battery can be made only under
collaboration.
For example: the function of graphite, 4BS?
Advantage and disadvantage? How to use?
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Thanks
Dr. Alex Wu [email protected]