What we usually refer to as "18650" actually refers to the external specifications of the battery, which is a standard battery model,
When assembling polymer lithium batteries, there are single assembly and multiple parallel and multiple intermediate assembly methods as needed.
The thinner the polymer battery, the better the production, and the thicker the lithium battery, the better the production, which allows lithium batteries to broaden their application fields.
At present, there are generally two types of battery cells in the mobile power market: 18650 battery cells and polymer battery cells. These two types of battery cells dominate the vast market share
The production and processing flow and control of lithium-ion batteries: raw materials → raw material inspection → raw material pretreatment → batching → batching inspection
Soft pack lithium battery cells are heat sealed, while metal shell battery cells are generally welded (laser welding). The reason why soft pack battery cells can be heat sealed is that they use aluminum-plastic packaging film as a material.
To prevent water absorption during the winding process of positive and negative electrode plates, which can lead to zero voltage, self discharge, and poor cycling performance;
The time required for lithium-ion battery balancing during discharge is relatively long. Due to the correlation between discharge speed and load resistance,
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