阴极物质主要为氧分子或者过氧化氢，随后在电池反应中消耗，与阳极反应共同产生电能。
In the cathode, substances such asmolecular oxygen or hydrogen peroxide are subsequently reduced in this processand so, in combination with the reaction at the anode, generate electricalpower.
一种阻止或减缓阴极反应的化学物质。
A chemical substance that prevents or slows a cathodic or reduction reaction.
一般物质与氧气发生氧化时放热，个别可能吸热如氮气与氧气的反应。电化学中阳极发生氧化，阴极发生还原。
The general substance and oxygen oxidation, the individual may absorb heat, such as the reaction of nitrogen and oxygen. Anodic oxidation and cathodic reduction in electrochemical process.
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