Synthesis, Properties, and Fuel Cell Performance of Perfluorosulfonated Poly(arylene ether)s
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- Shimura Takuya
- Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi
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- Miyatake Kenji
- Clean Energy Research Center, University of Yamanashi Fuel Cell Nanomaterials Center, University of Yamanashi
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- Watanabe Masahiro
- Fuel Cell Nanomaterials Center, University of Yamanashi
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Poly(arylene ether)s containing superacid groups (FSPEs) were synthesized as proton conducting membranes for fuel cell applications. To obtain the title ionomers, a series of brominated poly(arylene ether)s were synthesized and perfluorosulfonated via Ullmann coupling. The chemical structure and the ion exchange capacity (IEC) of the FSPEs were characterized by 1H and 19F NMR spectra. Tough, flexible, and transparent membranes with the IEC ranging from 0.34 to 1.29 mequiv g−1 were obtained by solution casting. The FSPE membranes did not show obvious glass transition behavior up to the decomposition temperature (180 °C). Microscopic analyses revealed homogeneous and well-connected ionic clusters for the high IEC membrane. Compared to conventional sulfonated poly(arylene ether) membranes, the FSPE membranes showed much higher proton conductivity. The highest proton conductivity of 0.07 S cm−1 was achieved at 80 °C and 86% relative humidity (RH) with the IEC = 1.29 mequiv g−1 membrane. A fuel cell using the FSPE membrane showed comparable performance to that of a Nafion cell at 78% RH and 80 °C.
収録刊行物
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- Bulletin of the Chemical Society of Japan
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Bulletin of the Chemical Society of Japan 83 (8), 960-968, 2010
公益社団法人 日本化学会
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詳細情報 詳細情報について
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- CRID
- 1390001204143099136
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- NII論文ID
- 130004152789
- 10026510674
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- NII書誌ID
- AA00580132
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- ISSN
- 13480634
- 00092673
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- NDL書誌ID
- 10779869
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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