What are the important problems of lithium batteries for electric vehicles?

1. Overcharge will cause the battery to swell; 2. Overdischarge will damage the battery life and the damage caused is irreversible; 3. Excessive current during discharge will also cause damage to the battery, and this damage is also irreversible ; 4. Electric vehicle lithium battery packs are composed of multiple batteries in series and in parallel. The consistency of the batteries is very high. Although the processing manufacturers have paired the batteries, the lithium battery packs are long During the use of time, the voltage of each string of batteries will be inconsistent due to battery errors, resulting in a decrease in the energy output to the entire set of battery packs, and then there will be sudden power failures, sudden reductions in stroke, unsatisfactory charging, and discharge during use. The problem of not ending the electricity. 5. Lithium batteries have very high environmental conditions for use. If the temperature is too high or the temperature is too low, the self-discharge rate of the lithium battery will be much higher, especially the high temperature will greatly reduce the battery life. In recent years, due to the advancement of lithium battery technology, lithium batteries have ushered in their own explosive period. I hope that more lithium battery companies can focus on the products themselves and increase the added value of their products, so that lithium batteries will be more popular with users. 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 are the general characteristics of low-temperature lithium batteries?