| 摘要 |
A membrane electrode assembly includes an anode; a cathode; a membrane disposed between the anode and the cathode; and a protective layer positioned between the membrane and the cathode, the protective layer having a first side and a second side and being adapted to restrict migration of oxygen at the first side and to restrict the migration of hydrogen at the second side and thereby maintain a plane of potential change between the anode and the cathode within the protective layer.
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