钴和磷酸盐在电极周围形成了薄膜型的催化剂，这些催化剂就利用电极发射的电子从水中分解氢和氧。
The cobalt and phosphate form a thin-film catalyst around the electrode that then use electrons from the electrode to split the oxygen from water.
我们通常都用电流来分解水。
用电解法可以把水分解为氧和氢。
Water can be reduced to oxygen and hydrogen by electrolysis.
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