Crosslinked sulfonated poly(arylene ether sulfone)/silica hybrid membranes for high temperature proton exchange membrane fuel cells

Sulfonated poly(arylene ether sulfone) copolymer is synthesized via nucleophilic step polymerization of sulfonated 4,4′-dichlorodiphenyl sulfone, 4,4′-dichlorodiphenyl sulfone and phenolphthalin monomers in the presence of potassium carbonate. The copolymer is blended with various amounts of silica...

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Veröffentlicht in:	Renewable energy 2013-03, Vol.51, p.22-28
Hauptverfasser:	Chun, Jeong Hwan, Kim, Sang Gon, Lee, Ji Young, Hyeon, Dong Hun, Chun, Byung-Hee, Kim, Sung Hyun, Park, Ki Tae
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Composite membrane composite polymers Copolymers crosslinking Energy Energy. Thermal use of fuels Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc Esterification Ethers Exact sciences and technology Fuel cells heat treatment High temperature Low humidity Natural energy nuclear magnetic resonance spectroscopy Particulate composites polymerization potassium carbonate Proton exchange membrane fuel cell Proton exchange membrane fuel cells relative humidity renewable energy sources silica Silicon dioxide sodium Sulfonated poly(arylene ether sulfone) Sulfones temperature thermal degradation Uptakes water uptake
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