Which factors affect the cycle life of ternary lithium batteries?
by:Vglory 2021-03-22
Factors affecting the cycle life of ternary lithium batteries 1. The influence of design and manufacturing processes. In the design process of ternary lithium batteries, the choice of materials is an important factor. Different materials have different performance characteristics, and there are also gaps in the performance of the batteries developed. The cycle performance of the positive and negative materials is good, and the cycle life of the battery will be long. 2. The influence of charge cut-off voltage The amount of delithiation of NMC material is proportional to the charge cut-off voltage, that is to say, the higher the charge cut-off voltage, the greater the delithiation of NMC material, and the correspondingly more unstable the structure of the material. After increasing the cut-off voltage, the capacity of the material is significantly improved, but with it is the acceleration of the material decay rate. 3. The influence of the battery environment The usage environment of the ternary lithium battery is also very important to its cycle life. Among them, the ambient temperature is a very important factor. Too low or too high ambient temperature will affect the cycle life of lithium batteries. Disclaimer: Some pictures and content of articles published on this site are from the Internet. If there is any infringement, please contact to delete. Previous: What is the working principle of dry batteries? What is the voltage of a dry battery?
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