Is the catalyst in the fuel cell a proton exchange membrane?

Proton exchange membrane fuel cell (proton)

exchange

film

fuel

Cell) is a kind of fuel cell, which is equivalent to the "reverse" device of water electrolysis in principle. Its single cell consists of anode, cathode and proton exchange membrane. The anode is where hydrogen fuel is oxidized and the cathode is where oxidant is reduced. Both electrodes contain catalysts to accelerate the electrochemical reaction of the electrodes. Proton exchange membrane, as a medium for transferring h+, only allows h+ to pass through. When working, it is equivalent to a DC power supply, the anode is the negative pole of the power supply, and the cathode is the positive pole of the power supply.

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