| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electrolyte excellent in chemical durability, a manufacturing method therefor, polyparaphenylene (PPP), and an electrolyte membrane, a catalyst layer, and a polymer electrolyte fuel cell using the same. <P>SOLUTION: A polyparaphenylene hydrocarbon electrolyte having a specific structure, a manufacture method therefor, and a polyparaphenylene usable as a raw material for manufacturing the polyparaphenylene hydrocarbon electrolyte, as well as an electrolyte membrane, a catalyst layer and a polymer electrolyte fuel cell that employ the polyparaphenylene hydrocarbon-based electrolyte. In the structural formula, phenyl group has a direct bond or an oxygen atom, which is arbitrarily assignable in repetitions. A branch from the phenyl group has a hydrogen atom or a proton-conducting site, which is arbitrarily assignable in repetitions. The proton-conducting site is made up of -SO<SB>3</SB>H, -COOH, -PO<SB>3</SB>H<SB>2</SB>or -SO<SB>2</SB>NHSO<SB>2</SB>R (R is an alkyl chain or a perfluoroalkyl chain). <P>COPYRIGHT: (C)2008,JPO&INPIT |
