It might work great for a small battery, like a cell phone, but could create challenges if we're looking to create a fast-charge electric car.

对于类似手机上使用的小电池来说，这样快速充电表现优异，但是如果想用于对电动汽车快速充电，那将是一项挑战。

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The limitations are that you just can’t charge the batteries fast enough to take all the potential energy that’s available in a braking event.

那些限制就是，在一次刹车期间，你只是无法给蓄电池充电充的足够快而取走所有潜在的可以利用的能量。

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He thinks by then there will be the infrastructure available to allow drivers to fast-charge their electric vehicles in 10 minutes or so.

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But public fast-charging better not cost a lot: 75 percent said they would pay a 33 percent premium (over the slower, at-home rate) to fast charge.

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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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