Low temperture 50160118 75Ah Prismatic Sodium-ion Battery Na+ Battery cell

2.1.1

Nominal capacity

75Ah

25±2℃ , 0.5C discharge current

2.1.2

Operating voltage

1.5V~3.95V

2.1.3

Impedance(1KHz)

≤3mΩ  (TBD)

25±2℃ , BOL, 25%SOC

2.1.4

Shipping status

   25%SOC

N.A.

2.1.5

Operating temperature (charging)

-20~55℃

Refer to section 2.2

2.1.6

Operating temperature (discharge)

-40~55℃

Refer to section 2.3

2.1.7

Weight

≤1.8kg

N.A.

 2.1.8

Cell dimension

Refer to section 9 of this specification

 N.A.

2.2.1

Standard charge current

0.5C

25±2℃

2.2.2

Standard charge voltage

3.95V Cell max. voltage 3.95V

25±2℃

2.2.3

Maximum charge current (continuous)

3.0C

25±2℃

2.2.4

Standard charge mode

Charge to 3.95V at a constant current of 0.5C.

2.2.5

Standard charge temperature

25±2℃

N.A.

2.2.6

Absolute charge temperature

（Cell temperature）

-20~55℃

Stop charging once cell temperature is out of this range regardless of the charging mode adopted.

2.2.7

Absolute charge

voltage

Max. voltage 3.95V

Stop charging once voltage exceeds this

voltage regardless of the charging mode (including regeneration) adopted.

2.3.1

Standard discharge current

0.5C

25±2℃

2.3.2

Maximum   discharge current

(continuous)

5.0C

N.A.

2.3.5

2.3.6

Discharge cut-off voltage

1.5V

/

Standard discharge temperature

25±2℃

N.A.

2.3.7

Absolute discharge temperature (Cell temperature)

-40~55℃

Stop discharging once cell temperature is out of this range regardless of the discharging

mode adopted.

2.4.1

 Discharge

performance at 3C

3.0C discharging capacity/standard

discharging capacity≥92%(TBD)

3.0C discharging energy /standard

discharging energy≥85%(TBD)

BOL, 25±2℃ , standard charge and discharge at 3.0C.

2.4.2

 Discharge

performance at 5C

5.0C discharging capacity/standard

discharging capacity≥90%(TBD)

5.0C discharging energy /standard

discharging energy≥80%(TBD)

 BOL, standard charge at 25±2℃ , 5.0C constant

current discharge at 5.0C .