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Hydrogen separation from syngas using high-temperature proton conductors

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Abstract

Hydrogen pumps using high-temperature proton conductors have been examined as a candidate means of hydrogen separation from syngas. Durability to CO2 is a main concern for the alkali-earth-containing perovskites and was tested for a few typical compositions. Ce-excluded and cerate–zirconate solid solution electrolytes, SrZr0.9Y0.1O3-α, and BaCe0.6Zr0.3Nd0.1O3-α were stable in CO2-containing atmospheres, whereas they showed poor overpotential characteristics when platinum electrodes were used. It is demonstrated that the hydrogen pum** properties can be much improved for the case of SrZr0.9Y0.1O3-α by the use of palladium anode and SrCe0.95Yb0.05O3-α interlayer for the cathode.

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Acknowledgment

This research was partially supported by the Ministry of Education, Science, Sports and Culture, grant-in-aid for Scientific Research (B), no. 17360466.

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Authors and Affiliations

  1. Department of Applied Chemistry, Faculty of Engineering, Center for Future Chemistry, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 891-0395, Japan

    Hiroshige Matsumoto, Sachio Okada, Shinichi Hashimoto, Reiri Yamamoto, Makiko Enoki & Tatsumi Ishihara

  2. Department of Nuclear Engineering and Management, School of Engineering, The University of Tokyo, 2-11-16 Yayoi, Bunkyo-ku, Tokyo, 113-8656, Japan

    Kazuya Sasaki

  3. Materials Science Research Laboratory, Central Research Institute of Electric Power Industry, 2-6-1 Nagasaka, Yokosuka-shi, Kanagawa, 240-0196, Japan

    Shinichi Hashimoto

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  1. Hiroshige Matsumoto
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  2. Sachio Okada
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  3. Shinichi Hashimoto
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  4. Kazuya Sasaki
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  5. Reiri Yamamoto
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  7. Tatsumi Ishihara
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Correspondence to Hiroshige Matsumoto.

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Matsumoto, H., Okada, S., Hashimoto, S. et al. Hydrogen separation from syngas using high-temperature proton conductors. Ionics 13, 93–99 (2007). https://doi.org/10.1007/s11581-007-0080-4

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  • DOI: https://doi.org/10.1007/s11581-007-0080-4

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