How long is the service life of the ternary lithium battery?

Theoretically speaking, the life of a ternary lithium battery is 2000 charge-discharge cycles, and we can count it as one charge per day, which can last more than 5 years. However, there is still a difference between the actual use and the theory. If 1,000 charge-discharge cycles are performed, the ternary lithium battery has actually attenuated by 50%, which means that the overflow battery can only run half of the original mileage. The theoretical life of a ternary lithium battery is about 800 cycles, which is medium among commercial rechargeable lithium batteries. The lithium iron phosphate battery is about 2,000 cycles, and the lithium titanate is said to be able to reach 10,000 cycles. At present, mainstream battery manufacturers promise more than 500 times (charge and discharge under standard conditions) in the specifications of their processed ternary batteries. However, after the batteries are assembled into a battery pack, due to consistency issues, the voltage and internal The resistance can not be exactly the same, and its cycle life is about 400 times. The manufacturer recommends that the SOC use window is 10%~90%. Deep charge and discharge are not recommended, otherwise it will cause irreversible damage to the positive and negative structure of the battery. If it is calculated by shallow charge and shallow discharge, the cycle life will be at least 1000 times. In addition, if the ternary lithium battery is often discharged in a high-rate and high-temperature environment, the battery life will be greatly reduced to less than 200 times. According to the current technical level of ternary lithium batteries, if used properly, they can be used in electric vehicles for at least 5 years. If used improperly, the life of the lithium battery will decay in 2-3 years. Disclaimer: Some pictures and content of the articles published on this site are from the Internet. If there is any infringement, please contact to delete.