What are the factors that affect the life of a ternary lithium battery?

Theoretically speaking, a ternary lithium battery pack can generally have 2000 charge and discharge cycles, but if it is discharged for a long time with a large current, or if it often loses power, the service life of the battery will be drastically reduced. We count it as one charge per day. Can last more than 5 years. Factors affecting the life of a ternary lithium battery 1. The influence of design and manufacturing process In the process of battery design, 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. In terms of ingredients, pay attention to the amount of positive and negative materials added. 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. Therefore, the charge cut-off voltage should be reasonably selected according to the design life of the ternary lithium battery pack. 3. Positive and negative electrode compaction The positive and negative electrode compaction is too high, although it can increase the energy density of the cell, it will also reduce the cycle performance of the material to a certain extent. From the theoretical analysis, the greater the compaction, the equivalent to the material The greater the damage of the structure, and the structure of the material is the basis to ensure that the lithium battery can be recycled, that is, the life cycle of the lithium battery. 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 post: How long does it take to charge the Ni-MH battery and the lithium battery?