| 摘要 |
A polymer electrolyte having a repetitive structure represented by the following formula (1): wherein B represents a single bond or a bivalent group, A represents a bivalent aromatic group, Y represents —SO2—, —SO— or —CO—, R1 represents a substituent, n1 represents an integer of from 0 to 3, L represents a perfluoroalkylene group, and M represents an ionic group.
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