What is the service life of ternary lithium batteries?

　　The core component of new energy vehicles is undoubtedly the automotive power battery. As the energy source of new energy vehicles, its quality directly determines the vehicle's range and performance! So what is the service life of ternary lithium batteries?

　　It should be noted that as long as it is a power battery, there will definitely be attenuation during use, but the attenuation rate of power batteries from different manufacturers may vary. At the same time, relevant national policies also specify that manufacturers must provide a warranty of 8 years or 120000 kilometers for power batteries.

　　It should also be noted that measuring the lifespan of power batteries is not measured by time, but by the number of cycles used. That is to say, the amount of attenuation is directly related to the frequency of people using electric vehicles.

　　At present, the vast majority of power batteries on the market are ternary lithium batteries, with a general cycle life of about 1000 times. For example, a certain electric vehicle NEDC has a pure electric range of 410 kilometers. Assuming that each charging cycle is full charge and full discharge, which is a 0-100% complete charging cycle, assuming a weekly driving distance of 800 kilometers, which means that it needs to be charged twice a week, and a year is calculated based on 50 weeks, which means that it needs to be charged 100 times a year. If calculated based on the service life of 1000 cycles, it can be used for at least 10 years to decay to below 80%. At that time, this new energy vehicle should also be replaced

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