Polymer electrolyte fuel cell performance of poly(arylene ether ketone)-graft-crosslinked-poly(sulfonated arylene ether sulfone)
作者： Ryousuke Hara , Nobutaka Endo , Mitsuru Higa , Ken-ichi Okamoto , Xuan Zhang
DOI: 10.1016/J.JPOWSOUR.2013.08.121
关键词:
摘要: Abstract The physical properties and polymer electrolyte fuel cell (PEFC) performance of the graft-crosslinked copolymers based on hydrophobic poly(arylene ether ketone) main chains with hydrophilic sulfonated sulfone) segments were investigated in comparison those multi-block copolymer ( b SPAES) Nafion 112. ion exchange capacity (IEC) 1.90 1.58 meq g −1 (GC(1/3) GC(1/5), respectively) showed much lower water uptakes smaller in-plane dimensional changes than SPAES IEC 2.04 meq g , resulting higher membrane stability. GC(1/3) highest PEFC performances at conditions 90 °C, 0.2–0.1 MPa 82–30% RH among these membranes. GC(1/5) also or similar when compared to better durability SPAES. have high potential as membranes for applications.
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