| 摘要 |
A polymer electrolyte composite film which comprises a porous base material and, provided in fine pores thereof, a polymer electrolyte comprising a hydrophilic moiety and a hydrophobic moiety, the hydrophilic and hydrophobic moieties of said polymer electrolyte satisfy the following formula (1): a+b<=d (1) [wherein, a represents the size of a hydrophobic domain (nm), b represents the size of a hydrophilic domain (nm), and d represents the average pore diameter (nm) of fine pores of the porous base material].
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