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Question:

Why is the fuel cell required to be an inert electrode?

Why is the fuel cell required to be an inert electrode?

Answer:

Battery reaction is the scope of electrochemical research, its reactivity (more straightforward that is corrosive to the material) is much stronger than the general chemical reaction, that is, electrochemical corrosion is stronger than chemical corrosion.
May 9, 2017
If you choose a lively electrode (usually active metal), it is easy to participate in the reaction, resulting in the gradual dissolution of the electrode disappeared, in fact, in many cases the electrode as the reaction of the carrier.
May 9, 2017
At both ends of the electrode with the voltage, because each metal has its own inherent electrode potential, and some metal potential is low, easy to "press out" the electron, resulting in a reaction, but the inert electrode potential is very high, very It is difficult to lose electrons, because the reaction system must be lower than its potential material is first oxidized off to provide electrons.
May 9, 2017

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