The 65th CerSJ awards for academic achievements in ceramic science and technology: Intermediate-temperature proton conductors and their applications to energy and environmental devices
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- HIBINO Takashi
- Graduate School of Environmental Studies, Nagoya University
書誌事項
- タイトル別名
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- Intermediate-temperature proton conductors and their applications to energy and environmental devices
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The development of proton conductors has proceeded rapidly in recent years. A number of organic or inorganic materials show proton conductivities of ∼10−2 S cm−1 at temperatures below 100°C. However, although there is great current demand for proton conductors capable of operating in the temperature range of 100–400°C in practical applications, very few materials that can satisfy this demand have been reported to date. Acceptor-doped SnP2O7 are promising candidate materials because their proton conductivities reach >10−1 S cm−1 in the temperature range of interest. This paper presents an overview of the current status of acceptor-doped SnP2O7, highlighting the mechanism and kinetics of proton conduction and the development of electrochemical devices using these materials. New insights for proton insertion and conduction are proposed that use electrochemical techniques. Two approaches to designing SnP2O7-based composite electrolytes with good mechanical properties have also been developed for different operating temperatures. In addition, the benefits of intermediate-temperature operation using these materials are discussed in terms of practical applications, especially in fuel cells, exhaust sensors, and solid catalysts.
収録刊行物
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- Journal of the Ceramic Society of Japan
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Journal of the Ceramic Society of Japan 119 (1393), 677-686, 2011
公益社団法人 日本セラミックス協会
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詳細情報 詳細情報について
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- CRID
- 1390282680264326400
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- NII論文ID
- 130002067650
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- NII書誌ID
- AA12229489
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- ISSN
- 13486535
- 18820743
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- NDL書誌ID
- 11244693
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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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