| abstract |
PROBLEM TO BE SOLVED: To provide a solid electrolyte composition and a polymer fuel cell capable of exhibiting high performance under a humidity atmosphere. The solid electrolyte composition includes a proton conductive resin having a sulfonic acid group in the molecule, at least one element selected from the group consisting of Si, Al, Ti, Sn, and Zr, and O. And an inorganic-organic composite comprising a proton-conductive organic portion. [Selection figure] None |