Effect of PEFC operating conditions on the durability of sulfonated poly(arylene ether sulfone ketone) multiblock membranes

► Current densityaffects the durability of multiblockcopolymer membranes in PEFCs. ► Lower current densities (LCD) accelerated the degradation of the membranes. ► The amounts of sulfate ions in the drain water were an indicator of the degradation. ► LCD operation accelerated catalyst binder degradat...

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Veröffentlicht in:	Electrochimica acta 2011-10, Vol.56 (24), p.8989-8996
Hauptverfasser:	Okanishi, Takeou, Tsuji, Yoichiro, Sakiyama, Yoko, Matsuno, Soichi, Bae, Byungchan, Miyatake, Kenji, Uchida, Makoto, Watanabe, Masahiro
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Block copolymer membranes Catalysts Cathodes Cell current Drains Durability Energy Energy. Thermal use of fuels Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc Ethers Exact sciences and technology Fluorides Fuel cells Membranes Poly(arylene ether sulfone ketone)s Polymer electrolyte fuel cell Sulfates
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