Inorganic–organic hybrid films using epoxycyclohexylethyltrimethoxysilane and orthophosphoric acid for PEFC operated at medium temperatures
作者： K TADANAGA , H YOSHIDA , A MATSUDA , T MINAMI , M TATSUMISAGO
DOI: 10.1016/J.SSI.2005.09.038
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摘要: Abstract Proton conductive inorganic–organic hybrid films, which show high proton conductivity at temperatures higher than 100 °C with low humidification, have been prepared from epoxycyclohexylethyltrimethoxysilane (EHTMS), 3-glycidoxypropyltrimethoxysilane (GPTMS) and H 3 PO 4 by the sol-gel method. Self-supporting, flexible films a thickness of about 150 to 300 μm were obtained. The ionic increased an increase in relative humidity was 1 × 10 − 2 S cm − 1 under 25% 130 °C. For fuel cell film (P / Si = 1.5) as electrolyte 2 air °C, 17% humidity, open circuit voltage 0.9 V power 40 mW obtained current density 110 mA . It also confirmed that test can operate more 10 h
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