Effect of SOC interval selection on cycle performance of NCM811 batteries
The cycle life of the power battery directly affects the power level and service life of the vehicle.In this paper,LP2714897 square aluminum-shell lithium ion battery was fabricated by using NCM811 as positive electrode and artificial graphite as negative electrode material.By analyzing the influence of cycle performance in different SOC intervals,it is found that the cycle performance is worse with lower SOC interval,and the cycling performance is worse with higher SOC interval as well.The cycle performance has superior advantage in the middle of the interval.
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