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.
相比如今缓慢的充电过程，超级电容将是快速、频繁充电的理想存储装置。
Supercapacitors could be an ideal storage device for fast, frequent charging, as opposed to the slow, hours-long process used by many of today's plug-in vehicles.
普通的电容 -- 比如照相机闪光灯里用的那种 -- 能够进行快速地冲放电, 但是不能储存太多的能量.
Normal capacitors—those that power the flashguns in cameras for instance—can be charged and discharged rapidly, but cannot store much energy.
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