▎ 摘　　要

NOVELTY - A modified graphene/sulfonated polyphenylene oxide proton exchange membrane comprises 0.01-8 wt.% modified graphite and 92-99.9 wt.% sulfonated polyphenylene oxide. USE - Modified graphene/sulfonated polyphenylene oxide proton exchange membrane is used for manufacturing fuel cell (claimed). ADVANTAGE - The modified graphene/sulfonated polyphenylene oxide proton exchange membrane has excellent mechanical properties, performance and proton conductivity, and is capable of reducing methanol permeability. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of modified graphene/sulfonated polyphenylene oxide proton exchange membrane.