A capacitor system of a given specific size is reported to provide as much performance as a battery system that stores ten-times more energy. Can this really be true?
By all means. For a battery to be suitable in high-rate, high-cycle-life applications it generally needs to be greatly oversized. This is what will allow it to meet the cycle life requirements, the operational life requirements, or even the power requirements of the application. A battery in such a situation will generally be operating at 50% state of charge, deviating on average only . . .
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