| 摘要 |
PROBLEM TO BE SOLVED: To provide a novel polymer electrolyte membrane excellent in mobility of water in the membrane, a polymer electrolyte for obtaining the electrolyte membrane, a method for producing the same, and a polymer electrolyte fuel cell using the electrolyte membrane.SOLUTION: A polymer electrolyte has a structure represented by formula (1) (wherein Xis oxygen atom, sulfur atom, sulfonyl or carbonyl; Ais an aromatic ring which may have a substituent; each of Eand Eare each independently an electron-withdrawing group; pis an integer of 0 to (r11-3), wherein r11 is an atomicity constituting the cyclic skeleton of the aromatic ring, and when p11 is 2 or more, a plurality of Emay be the same or different; Eis a group represented by the following formula (11); q11 is an integer of 2-4; and m11 is an integer of 5 or more, wherein a plurality of Emay be the same or different). |
