但电池也有一些局限，它无法象超级电容那样快速充电，而且随着时间的推移，它的容量会衰减。
But batteries can't move charge as quickly as some competing devices like supercapacitors, and their performance tends to degrade significantly with time.
正板栅用低锑合金，负板栅用铅钙合金的汽车用铅酸蓄电池，有时会出现早期容量衰减现象。
Automotive lead acid batteries using low Sb positive grids and Pb ca negative grids sometimes suffer from the phenomena of premature capacity loss (PCL).
精确预测锂离子电池的性能衰减有非常重要的实际意义，但从技术角度看非常困难。
Accurate predication on the capacity fade of lithium ion battery is a technique challenge.
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