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TOB NEW ENERGYitem no.:
TOB-731742-Na-Porder(moq):
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XIAMENSodium ion 731742 Prismatic Cell for Sale
SPECIFICATIONS
Basic parameter
| Item | Standard | Unit | Remark |
| Nominal capacity@3.95~2.0V | 200 | Ah | 0.33C @25℃ |
| Nominal voltage | 3 | V | / |
| Ac internal resistance | ≤0.25 | mΩ | AC 1kHz, 3.0V |
| Dc internal resistance | ≤0.8 | mΩ | 2C 30s, 3.0V |
| Battery weight | 5±0.2 | kg | / |
| Battery size |
Thickness：72±0.5 Width：173.7±0.7 Height（Without post terminal）：204±0.5 Height（with post terminal）：207±0.5 |
mm | Overall dimensions and thickness are tested under the pressure of 300±20kgf. |
| Charge cut-off voltage | 3.95 | V | T>0℃ |
| 3.65 | 0℃≥T≥-10℃ | ||
| 3.4 | -10℃>T≥-20℃ | ||
| Discharge cut-off voltage | 2 | V | Can be discharged to 1.5V |
| Standard continuous charge current | 66 | A | 0.33C |
| Maximum continuous charge current | 200 | A | 1C |
| Standard continuous discharge current | 66 | A | 0.33C |
| Maximum continuous discharge current | 200 | A | 1C |
| Energy density | ≥120 | Wh/kg | / |
Electrical performance parameters
Charge performance
| Item | Sub-item | Battery surface temperature | Maximum charge multiplying power (continuous) | |
| Charge performance | Typical temperature and discharge capacity | >60℃ | No charging | |
| 35℃<T≤60℃ | 0.5C | |||
| 20℃<T≤35℃ | 1.0C | |||
| 10℃<T≤30℃ | 0.5C | |||
| 0℃<T≤10℃ | 0.25C | |||
| -10℃<T≤0℃ | 0.1C | |||
| -20℃<T≤-10℃ | 0.1C | |||
| Sub-item | Battery surface temperature | Product specification | Condition | |
| Magnifying power | 25℃±2℃ | Charging capacity≥90% of nominal charging capacity | 1C constant current charging to 3.95V; Temperature rising≤15℃ | |
Discharge performance
| Item | Parameter | Performance index | Condition | ||
| Discharge performance | Typical temperature and discharge capacity | -40℃ | ≥70% | 0.33C magnification, put aside for 12h, relative to the nominal capacity. | |
| -30℃ | ≥75% | ||||
| -20℃ | ≥85% | ||||
| 0℃ | ≥95% | ||||
| 45℃ | ≥98% | ||||
| 60℃ | ≥95% | ||||
| Discharge temperature interval | -40℃~60℃ | Whenever the battery surface temperature exceeds this interval, it should stop working. | |||
| Magnifying discharge capacity | Standard discharge current | 0.33C | 100% | 25℃，standard charge-discharge relative capacity | |
| Maximum continuous discharge current | 1C | ≥95% | 25℃，standard charge-discharge relative capacity | ||
| Other discharge current | 0.5C | ≥97% | 25℃，standard charge-discharge relative capacity | ||
Storage performance
| Item | Sub-item | Parameter | Performance index | Condition | |
| Storage | Short-term | High temperature storage | conservationrate | ≥92% | Nuclear capacity at 25℃, storage at 45℃ for 7 days, 100%SOC. |
| recovery rate | ≥99% | ||||
| Cryogenic storage | conservation rate | ≥95% | Nuclear capacity at 25℃, storage at -20℃ for 7 days, 100%SOC. | ||
| recovery rate | ≥99% | ||||
| Long-term | Normal temperature storage | recovery rate | ≥95% (28d≥98%) | Storage at 25℃±5℃ for 180 days, 50%SOC | |
Cycle life
| Item | Parameter | Performance index | Condition | Remark |
| Working life | High temperature cycle | ≥1500 | 45℃，0.33C，capacity retention rate≥70% | Depending on the working conditions. |
| Normal temperature cycle | ≥3500 | 25℃，0.33C，capacity retention rate≥70% | ||
| ≥4000 | 25℃，0.33C，2~3.9V（95%DOD）capacity retention rate≥70% | |||
| Magnifying cycle | ≥1500 | 25℃，1C，capacity retention rate≥70% |
PRODUCT DISPLAY
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