Hydrogen separation using proton-conducting perovskites

Hiroshige Matsumoto, Tetsuo Shimura, Hiroyasu Iwahara, Tohru Higuchi, Keiji Yashiro, Atsushi Kaimai, Tatsuya Kawada, Junichiro Mizusaki

Research output: Contribution to journalConference articlepeer-review

108 Citations (Scopus)


Two methods of hydrogen separation using proton-conducting perovskites, electrochemical hydrogen pumping with proton-conducting electrolytes and hydrogen sieving through protonic-electronic mixed conductors, are stated. In the former case, high temperature proton conductors (HTPCs) enable the hydrogen transport by external application of electricity. In the latter case, it is a fundamental concern how the protonic and electronic charge carriers coexist in oxides to allow hydrogen permeation. Experimental results and the problems for future investigations are discussed.

Original languageEnglish
Pages (from-to)456-462
Number of pages7
JournalJournal of Alloys and Compounds
Publication statusPublished - Feb 9 2006
EventProceedings of the Rare Earths'04 in Nara, Japan -
Duration: Nov 7 2004Nov 12 2004

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry


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