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- UCHIDA Hiroyuki
- Graduate School of Engineering, University of Yamanashi
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- YAMADA Yoshifumi
- Clean Energy Research Center, University of Yamanashi
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- ASANO Naoki
- Clean Energy Research Center, University of Yamanashi
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- WATANABE Masahiro
- Clean Energy Research Center, University of Yamanashi
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- LITT Morton
- Department of Macromolecular Science, Case Western Reserve University
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抄録
<p>Poly(2,5-benzimidazole) (ab-PBI) membranes were characterized for use as electrolytes in fuel cells operating at elevated temperatures (100 to 200°C). The conductivity of phosphoric acid-doped ab-PBI was as high as 0.12 S cm−1 at temperatures below 120°C, but it decreased to 0.025 S cm−1 above 150°C due to a dehydration of the doped acid. Using the H3PO4-doped ab-PBI, H2/O2 fuel cell could be operated at 120°C with a low humidification of reactant gases, although it was necessary to keep the acid-doping level high in both the membrane and the electrodes.</p>
収録刊行物
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- Electrochemistry
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Electrochemistry 70 (12), 943-945, 2002-12-05
公益社団法人 電気化学会
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詳細情報
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- CRID
- 1390845702278403712
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- NII論文ID
- 10010387711
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- NII書誌ID
- AN00151637
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- ISSN
- 21862451
- 13443542
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- NDL書誌ID
- 6376823
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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
- Crossref
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- 抄録ライセンスフラグ
- 使用可