Interfacial protonic conduction in ceramics

Hee Jung Park, Chan Kwak, Kyu Hyoung Lee, Sang Mock Lee, Eun Sung Lee

Research output: Contribution to journalReview articlepeer-review

31 Citations (Scopus)


Ceramics displaying protonic conduction have been the subject of intense research due to their potential applications in fuel cells, hydrogen membranes, and water electrolysis equipment. As a result, a number of ceramics presenting high bulk protonic conductivity have been reported; however, overall protonic conductivities in these ceramics are markedly low due to low interfacial conductance. Thus, there has been recent attention to the protonic characteristics in the interface. Interest has greatly increased for nanostructured and heterostructured ceramics using interfacial conductance. Herein, we summarize the interfacial protonic conductivity and the conduction mechanisms reported in ceramics, with a focus on solid oxides.

Original languageEnglish
Pages (from-to)2429-2437
Number of pages9
JournalJournal of the European Ceramic Society
Issue number12
Publication statusPublished - 2009 Sept

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry


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