略語大辞典 [Chem] 22 PEM proton-exchange membrane 水素イオン交換膜. 高分子電解質膜. 固体高分子電解質. 燃料電池に使う.proton-exchange membrane; or polymer electrolyte membrane; or SPE(solid polymer electrolyte); used for fuel battery; [Chem:E]. 丸善「略語大辞典」JLogosID : 11855447