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Short cruising range or battery attenuation, which one is more 'pit'?

by:Vglory      2021-04-28
Short-range VS battery attenuation, which one is more pitted? Suppose a pure electric vehicle has a driving range of 500 kilometers. Even if it decays to 80%, it can run 400 kilometers on a single charge. From this point of view, it must be that the duration of the voyage is shorter, with more pits. Many people still hold prejudices about battery aging. Currently, most passenger cars on the market use only two power lithium-ion batteries: lithium iron phosphate batteries and ternary lithium batteries. The general cycle life of lithium iron phosphate batteries is about 2000 times. At present, most electric vehicles use ternary lithium batteries (higher energy density), and their cycle life is about 1,000 times that of ordinary lithium batteries. Let us do a simple calculation. Assuming that the new energy vehicle is charged twice as many times in a week, it can usually be charged for 500 weeks (take a ternary lithium battery as an example), which is about 10 years. Suppose you can run 300 kilometers at a time, and you can run 300,000 kilometers at the base. Suppose you can run for at least 15 years, based on a calculation of 20,000 kilometers per year. Of course, as time goes by, the battery will gradually decay, so in order to save energy, the overall range can be reduced by 20%, or at least 240,000 kilometers. Before the end of the journey, the car was almost worthless. Under normal circumstances, a car that is under five years old will consider changing to another car. At that time, the attenuation of the power lithium-ion battery was not obvious. In short, at that time, the cost of power lithium-ion batteries will be greatly reduced, and the cost of replacing a new battery will also be greatly reduced, so the aging problem of the battery can be effectively dealt with. Of course, whether there is a problem of battery power attenuation during the journey, and whether it is convenient to charge the terminal. Assuming that charging is more convenient than refueling, and the fast charging technology is very mature, it can run 500 kilometers in 5 minutes. After the fast charging skills are completed, the duration of trust and battery degradation will no longer be an issue. Disclaimer: Some pictures and content of articles published on this site are from the Internet. If there is any infringement, please contact to delete.
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