Applying cold sintering process to a proton electrolyte material: CsH2PO4

Hiroto Nakaya, Masato Iwasaki, Thomas Herisson de Beauvoir, Clive A. Randall

Research output: Contribution to journalArticle

7 Scopus citations

Abstract

The Cold Sintering Process (CSP) was applied to CsH2PO4, a proton conducting electrolyte. The powders were sintered between 120 °C and 200 °C under 300 MPa for 1 h and the ceramics investigated for their respective structure-property-process relations. The microstructure development of the CsH2PO4 materials was characterized for grain size, and dihedral angle distributions for a variety of the CSP processing conditions. The electrical properties of the cold sintered CsH2PO4 were characterized through electrochemical impedance spectroscopy over a temperature range between 120 °C and 200 °C. The data suggests that the proton conductivity is 2.30 × 10−4 Scm-1 at 200 °C with good repeatability during cycled measurements.

Original languageEnglish (US)
Pages (from-to)396-401
Number of pages6
JournalJournal of the European Ceramic Society
Volume39
Issue number2-3
DOIs
StatePublished - Feb 1 2019

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry

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