We are a professional lithium battery factory in China. Now we briefly introduce how to produce lithium batteries. It starts from cathode & anode mixing, coating, baking, calendering, automatic slitting & cutting, winding, top & side sealing, electrolyte injection, pressing formation, forming, capacity grading, OCV1 & OVC2, cell to PCB, insulation and shipping. Welcome to contact and ask for the workflow table list.
Cell model: INR18650-35E/3350mAh/3.6V
Battery specification: 6.4Ah-10.8V
Nominal voltage: 10.8V
Nominal capacity: 6.4Ah
Charging voltage: 12.6V
Charging current: ≤3.2A
Discharge current: 3.2A
Instant discharge current: 6.4A
Discharge cut-off voltage: 8V
Internal resistance of finished product: ≤150mΩ
Battery weight: 400g
Product size: 154.65×59×22.2mm (L×W×H)
Charging temperature: 0～45℃
Discharge temperature: -20～55℃
Storage temperature: -20～45℃
Battery shell: industrial grade
Lithium battery protection: short circuit protection, overcharge protection, over discharge protection, over current protection, equalization, with SMBus communication, etc.
Application field: medical ventilator
Due to the consistency problem of lithium batteries, if they are connected in series in the same system (such as ternary or iron-lithium), it is also necessary to select those with the same voltage, internal resistance and capacity for grouping. Batteries with different voltage platforms and different internal resistances are used in series, which will cause a certain battery to be fully charged first and then discharged in each cycle. If there is a protection board and there is no failure, the capacity of the whole group will be reduced. Damage to the battery caused by overcharging or overcharging.
If different capacities or old and new lithium batteries are used together, there may be liquid leakage, zero voltage and other phenomena. This is due to the difference in capacity during the charging process, which causes some batteries to be overcharged during charging, and some batteries are not fully charged. When discharging, some batteries with high capacity are not fully discharged, while those with low capacity are overdischarged. Such a vicious cycle, the battery gets damaged and leaks or has low (zero) voltage.
Reliable & durable lithium-ion battery manufacturer in China with over 10 years experience.
We will contact you within 1 working day, please pay attention to the email with the suffix “@hlcbattery.com”.