| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide polymer electrolyte useful particularly for an electrolyte membrane or an electrode forming material for a solid polymer fuel cell, namely, polymer electrolyte as an inexpensive hydrocarbon material having a diverse chemical structure, superior in proton conductivity in high-temperature and low-humidity conditions and in oxidation resistance, and to provide the solid polymer fuel cell using the same and showing high characteristics. <P>SOLUTION: The polymer electrolyte includes blocks each having a repeating-unit sulfonic acid group of one or more in average, and blocks each having a repeating-unit sulfonic acid group of 0.1 or less in average, the sulfonic acid group having hydrogen ions partly replaced with multivalent transition metal ions. <P>COPYRIGHT: (C)2011,JPO&INPIT |
