 |
China Lithium Battery Full Service Provider |
Research and Development of Special Li- Ion Batteries
Lithium batteries cell/pack
We undertake R&D about the above, including R&D of sample and devices, equipment list, raw material supply chain, complete manufacturing process, test method of the raw materials and product performance, etc.
1 | High capacity Li-ion batteries | Energy density ≥200Ah/kg |
2 | High-power Li-ion battery | Power density≥2000Wh/kg |
3 | Quick charge lithium ion battery | Charging 10 minutes, Capacity≥80％ |
4 | Low-temperature lithium-ion batteries | -40℃, Discharge capacity ≥70％ |
5 | Cryogenic super Capacitor | －60℃, Capacity≥80％ |
6 | Long life lithium ion battery | Cycle≥5000 |
7 | High-temperature lithium-ion batteries | Operation temperature ≥70℃ |
8 | Lithium ion battery module | |
9 | Super capacitor module |
Hunan Zhengyuan Institute for Energy Storage Materials and Devices
Model:ZY-DW 26650-3400mAh single cell
1. Scope
This specification shall be applied to Lithium ion rechargeable battery cell supplied by Hunan Zhengyuan Institute for Energy Storage Materials and Devices.
2. Type and model
2.1 Type
26650 LFP
2.2 Model
ZY-DW 26650-3400mAh
3. Main technical parameters
No. Item Feature Remark
3.1 Nominal capacity 3400mAh 0.5C constant current discharge to 2.0V
3.2 Minimum capacity 3350mAh 0.5C constant current discharge to 2.0V
3.3 Nominal voltage 3.2V Single cell
3.4 Charge cut-off voltage 3.65V Single cell
3.5 Discharge cut-off voltage 2.0V Single cell
3.6 Charge method CC-CV Constant current and constant voltage charging
3.7 Standard charging current 3400mA(1.0C） 0～45℃
3.8 Maximum continuous charge current 17000mA（5.0C） Room temperature
3.9 Maximum continuous discharge current 17000mA （5.0C） Room temperature
3.10 Operation temperature Charging temp 0～45℃ / Discharging temp –40～60℃ Ambient temperature
3.11 Storage temperature Within 1 month 10～25℃ /Within 6 months 10～25℃ Humidity: RH60±15% in a cool and dry environment
3.12 Internal impedance ≤15mΩ 1KHz AC method measurement
3.13 Weight ≤86.0g
3.14 Storage voltage 3.25-3.35V 40%～60 charged electricity
Remark：
The standard charging method is to charge the battery with a constant current of 1.0C (3400mA) from the charger. After the battery voltage reaches 3.65V, the battery will be charged with a constant voltage of 3.65V until the current is less than or equal to 0.01C (34mA).
Table 126650-3400mAh
Item | 1C charge 1Cdischarge | 3C charge 1Cdischarge | 5C charge 1Cdischarge | ||||||
charge | discharge | rate％ | charge | discharge | rate％ | charge | discharge | rate％ | |
1 | 3362.7 | 3327.0 | 98.94 | 3362.7 | 3337.4 | 99.25 | 3371.0 | 3330.7 | 98.80% |
2 | 3350.0 | 3321.2 | 99.14 | 3370.5 | 3333.4 | 98.90 | 3376.8 | 3331.0 | 98.64% |
3 | 3294.3 | 3260.3 | 98.97 | 3293.2 | 3268.8 | 99.26 | 3305.6 | 3273.5 | 99.03% |
4 | 3294.8 | 3260.3 | 98.95 | 3295.5 | 3269.8 | 99.22 | 3310.8 | 3273.5 | 98.87% |
Note:The final interpretation of the above data belongs to Zhengyuan Institute, and can not be reproduced without authorization, thank you.
Warmly welcome your visit or cooperation from domestic and overseas!