If the liquid leaks, the main reasons are: 1.The internal pressure is too large; 2. The external package is unqualified. In the process of battery manufacturing, if the following problems occur, it is easy to cause battery leakage: 1. When welding the battery shell and cap, the welding is not firm, not sealed, there are leaks, virtual welding, and the weld has cracks and other problems; ...
Pouch cell is one of the most common lithium ion battery cell types. Compared with lead-acid battery, it has many advantages, such as small volume, light weight, high specific energy, high safety, flexible design and so on. In the making process of pouch cell battery, the main body of pouch cell needs to be dried before injecting electrolyte. Due to the isolation film in the main body of pouch cel...