18650 1.3Ah Cylindrical Sodium-ion Battery Cell for Low Temperature used

Nominal Capacity

1300.00mAh@0.50C

Typical Capacity

1350.00mAh@0.50C

Nominal Voltage

3.10V

Charge Voltage

3.95 ±0.05 V

Discharge cut-off Voltage

1.50±0.05 V

Internal Resistance

≤20.00mΩ

Cell Dimension

Diameter: 18.40±0.10mm 

Height: 65.30±0.10mm

Energy Density

118.00Wh/Kg

Weight

30.00±0.50g

Storage Temperature(State of Charge at Shipment)

-20~40℃

Maximum Continuous Charging Rate

≤-10℃： can not charging temperature

-10-0℃:≤0.20C

0~45℃≤1.00C

≥45℃: can not charging temperature

Maximum Continuous Discharge Rate

≤-30℃:can not discharging temperature

-30~0℃:≤0.20C

0~45℃:≤3.00C

45~60℃:≤0.50C

≥60℃: can not discharging temperature

Maximum Constant Charge Current

Constant Current 1.00C

Constant Voltage 3.95V

0.05C cut-off

Maximum Constant Discharge Current

Constant Current 3.00C

Constant Voltage 1.50V

1

Discharge capacity

Test condition:

Temperature: 25.0±3.0℃

Charge:CC/CV 0.50C 3.95V cut off current: 0.05C

Discharge rate capability

Discharge: CC variable values; End-of-discharge Voltage: 1.50V

discharge capacity at 1.00C 

discharge capacity at 0.50C   ≥99.00%

discharge capacity at 2.00C

discharge capacity at 0.50C  ≥98.50%

discharge capacity at 3.00C

discharge capacity at 0.50C   ≥98%

2

Cycle life

Test condition:

Temperature:25.0±3.0℃

Charge:CC/CV 0.50C 3.95V cut off current: 0.05C

Discharge: CC 0.50C; End-of-discharge Voltage: 1.50V

discharge capacity of 3000th cycle 

nominal capacity                                 ≥80.00%

3

High-Low temperature

Discharge performance

Test condition:

Temperature:25.0±3.0℃

Charge:CC/CV 0.50C 3.95V cut off current:0.05C

discharge performance

Discharge: CC 0.50C ; End-of-discharge Voltage: 1.50V

discharge capacity at -30℃

discharge capacity at 25℃   ≥85.00%

discharge capacity at 60℃

discharge capacity at 25℃   ≥98.00%

4

Storage performance

Test condition:

Charge:CC/CV 0.50C 3.95V cut off current: 0.05C; stored at 25℃

For 1 month

Discharge:CC 0.50C; End-of-discharge Voltage:1.50V

recover capacity               

original discharge capacity    ≥95.00%