Enter the hell The encapsulation process of lithium battery is...
bake
The main purpose of the battery baking process is to remove the internal and external moisture of the battery to improve the stability and reliability of the battery. In addition, baking also helps in welding flow, ensuring the quality and reliability of the welding points, as well as simulating the aging process of the battery, accelerating the aging of the battery to verify the performance and life of the battery.
Specific process steps:
Temperature setting: According to the battery type and requirements, set the appropriate baking temperature. Different battery materials and structures may require different baking temperatures.
Heating and preheating: Put the battery cell or battery pack into the baking equipment for heating and preheating, so that the internal temperature of the battery gradually rises. The preheating process helps the water inside the battery gradually evaporate.
Stable baking: When the internal temperature of the battery reaches the set temperature, keep it for a certain time to make the water inside the battery evaporate and welding flow completely. This time depends on the type and requirements of the battery, and usually takes several hours to tens of hours.
Cooling shutdown: Stop heating, and take out the battery cell or battery pack for cooling, so that its temperature gradually decreases. The cooling process not only helps protect the battery from heat damage, but also helps stabilize the battery's performance.
Inspection and verification: The appearance inspection and electrical performance test of the baked battery are carried out to verify the baking effect. These tests can ensure that the battery meets the quality requirements and has good performance.
CONCLUSION
Through the above steps and control elements, the baking process of the lithium battery ensures the drying and cleaning of the battery components, which provides an important guarantee for the performance and safety of the battery.
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Extended reading
Storage at normal temperature
Storage at normal temperature Lithium batteries need to follow specific...
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