Low temperture 39148102 50Ah Prismatic Sodium-ion Battery Na+ Battery cell

2.1.1

Typical capacity

50Ah

Refer to 2.2&2.3 standard charge and

discharge procedure

2.1.2

Platform voltage

2.9V

Refer to 2.2&2.3 standard charge and

discharge procedure

2.1.3

Operating voltage

1.5~3.9V

N.A

2.1.4

Impedance (1KHz)

0.60±0.05mΩ

Fresh cell(50%SOC)

2.1.5

Shipping  status

50% SOC

N.A

2.1.6

Residual capacity

loss

Per month ≤3.5%

Fresh cell after 3month, 50%SOC, 25±2°C

storage

2.1.7

Operating temperature

(charging)

0~60°C

Reference to paragraph 2.2

2.1.8

Operating temperature

(discharge)

-40~60°C

Reference to paragraph 2.3

2.1.9

Cell Weight

1.12±0.05Kg

N.A.

2.1.10

Storage Temp.

-30~60°C

Storage ambient humidity < 85% ROH, no

condensation

2.1.11

Typical dimension

(W* H* T)

(Width) ： 148±0.5mm

（Height) ：102±0.5mm

(Thickness)：39.5±0.5mm

Thickness with compression force (300±20

Kgf), Height with Terminal,

BOL(Reference to item 8)

2.1.12

SOC Rest SOC

≥5%

SOC interval without load or charging

2.1.13

Altitude

≤2000m

N.A.

2.1.14

  Cycle performance

≥4000Cycles

25±2°C, cycle test by 1.8-3.8V

charge and discharge method under

300±20Kgf preload

   2.1.15

  Storage fading

        ≤5%

25±2°C, standard charging to 100% SOC

storage under 300±20Kgf preload for six

month

2.2.1

Standard charge current

0.5C

25±2oC

2.2.2

Maximum charge  current(continuous)

1C

25±2oC

2.2.3

Standard charge voltage

 Cell max voltage

3.9V

25±2oC

2.2.4

Standard charge method

0.5C constant current constant voltage charge to 3.9V, cut-off

current 0.05C, rest 30min.

2.2.5

Standard charge

temperature

25±2°C

Cell Temperature

2.2.6

Absolute charging

temperature

(Cell Temperature)

0~60°C

 No matter what charge mode the battery is

in, stop charging once the cell temperature  exceeds absolute charge temperature range.

2.2.7

Absolute charging

voltage

Max3.9V

 No matter what charge mode the battery is

in, stop  charging  once the cell voltage exceeds absolute charge voltage.