Extraction and production of hydrogen using high-temperature proton conductor

Hiroshige Matsumoto, Makoto Okubo, Seiji Hamajima, Koji Katahira, Hiroyasu Iwahara

研究成果: Contribution to journalArticle査読

47 被引用数 (Scopus)

抄録

An electrochemical hydrogen pump using the SrCe0.95Yb0.05O3-α proton conductor has been applied to hydrogen extraction and production. The extraction of hydrogen from dilute hydrogen and synthesis gases, and hydrogen production by water vapor electrolysis are demonstrated. The extraction of hydrogen could be operated with a current efficiency close to unity, while some electronic conduction appeared in the water vapor electrolysis. The introduction of water vapor into the cathode compartment was effective to extend the current density. These results, together with the problems to be solved, are mainly discussed in terms of electrode reactions and ionic transport numbers.

本文言語英語
ページ(範囲)715-720
ページ数6
ジャーナルSolid State Ionics
152-153
DOI
出版ステータス出版済み - 12 2002
外部発表はい

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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