This generates electrical current that can then be used to charge a battery.

这一过程产生的电流可用于为电池充电。

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Temperature and phase changes in the gel could also be harnessed to charge a battery.

而胶体中的温度和相性的改变能被利用来对电池充电。

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And when the two films are flexed, a current flows between them, which can be harnessed to charge a battery.

当弯曲时，两片薄膜之间将产生电流，从而实现充电。

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Even though these are touted as fast-charging stations, it would take hours to fully charge a battery.

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When completely empty it takes a maximum of eight hours to fully charge the battery at a household socket or charging station on the electricity systems of most countries i.e. overnight.

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According to Ford, a fully depleted battery takes less than 3 hours to charge using a 220V charger, and 7 hours with a drop cord plugged into to a household wall socket, hillbilly style.

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