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Provide high-quality energy solutions for global customers

ESS CELL 314 Ah

Product Introduction

Technical Parameter

图片关键词图片关键词图片关键词

Long Cycle Lifetime

Lithium replenishment at the positive electrode  

Modification of positive electrode materials 

Low expansion negative electrode technology 

Self-developed electrolyte 

Secondary injection process


High Safety

High thermal stability
No fire or explosion during nail penetration or crush tests
Solid-state electrolyte coated separator

Low-temp Charge

Construct composite negative electrode
Optimize electrode structure
Low-temperature electrolyter



Technical Parameter

Model

71173204-314

Remarks

Nominal Capacity

314Ah

25±2℃,0.5P

Nominal Voltage

3.2V

AC Impedance

≤0.18mΩ

30%SOC

Standard Charge Current

157A

0.5C

Max. Constant Charge Current

314A

1.0C

Charge Voltage Limit

3.65V


Max. Constant Discharge Current

314A

1.0C

Max. Plus Discharge Current

471A

1.5C-30s

Cut-off Voltage

2.5V

0℃<T≤55℃

2.0V

-20℃≤T≤0℃

Charge Operation Temperature

0℃≤T<15℃

charge rate ≤0.2C

15℃≤T<23℃

charge rate≤0.5C

23℃≤T≤55℃

charge rate≤1.0C

DisCharge Operation Temperature

-20~55


Cell Weight

5.65±0.2kg


Self Discharge

≤3%/month

25±2℃, 30%~50% SOC

Cycle lifetime

≥10000

80% DOD


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