Instead of digging holes in the electrodes, they are coating them with a forest of carbon nanotubes, each five nanometres (billionths of a metre) wide.
与在电极上凿孔不同的是，他们在电极上覆盖一层碳纳米管，每个只有5纳米(十亿分之一米)宽。
However, Dr Kotov and his colleagues have reported in nano Letters a simple process for coating standard cotton threads with carbon nanotubes.
不过，Kotov博士和他的同事在Nano Letters发表了一篇文章，文章描述了一种在标准棉线表面覆盖碳纳米管的简单方法。
But instead of coating the carbon cylinders with fuel, a liquid fuel could be stored in the car's gas tank and get injected onto the carbon nanotube battery when needed.
但是不采用燃料涂层的碳圆筒，而是用一种可以储存在汽车油箱里，并且在需要的时候直接注入碳毫微管电池的液体燃料。
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