Item

Unit

Date

MnNiCo

%

59.0-60.0

Li

%

7.1–7.6

Fe

%

≤ 0.01

Na

%

≤ 0.05

Mg

%

≤ 0.01

Ca

%

≤ 0.01

Water content

%

≤ 0.1

Tap density

g/cm ³

≥ 1.8

BET

m ² /g

0.3~0.8

D50

μ m

8-15

D10

μ m

≥ 5

D90

μ m

≤ 35

D _max

μ m

≤ 61

First discharge capacity(mAh)

mAh/g

>155(0.1C,4.2V)

mAh/g

>142(1C,4.2V)

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%