这种电极扮演着两种角色：阳极和阴极，Cui说他的团队正在用原材料的元素制作一个阳极同时也在致力于开发电池的原型。
The electrode made so far acts as a cathode. Cui says his team is tuning the chemistry of the material to make an anode and is working on making prototype batteries.
因此左边电极就成了阴极，正如我原来设定的一样，右边的电极就是阳极。
So the left electrode will be the cathode as I have configured it, and the right electrode will be anode.
在最简单的情形下，阳极是一种金属如铁，阴极是另一种金属如铜，在两个电极处的电解质可能有相同的组成或不相同的组成。
In the simplest case, the anode would be one metal, perhaps iron, the cathode another, say copper, and the electrolyte might or might not have the same composition at both electrodes.
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