Electrolytic Copper Foil For Lithium Battery Anode Material

NO

Items

Criteria

Remarks

1

Vibration test

The battery is to be tested in three mutually perpendicular to each axis.

No fire, no explosion

2

Drop Test

Drop the battery from 1m height onto 5cm it 3 times each of X, Y, and Z directions at 25±2°C

3

Short circuiting Test

After standard charge,the battery shall be subjected to a short-circuit condition with a wire of resistance less than 100(o)

4

High temperature test

Leaving the battery at 85°C for 4hours after standard charge

No fire, no explosion

Capacity≥80%C5

5

Heating Test

The temperature of the oven is to be raised at a rate of 5±2°C/min to a temperature of 130±2°C for 30 minutes.

No explosion, no fire

6

Overcharge testing

(NO PCM)

3C 4.6V.

7

Storage Characteristics 1

standard charge and then storage at 25±2°C for 30 days.

Remaining Capacity≥85%

8

Storage Characteristics 2

1

after standard charge and then storage at 60±2°C for 7 days.

Remaining Capacity≥60%

2

the capacity on standard discharge shall be measured after standard charge.

Recovery capacity≥80%