Electrochemical hydrogen isotope sensing via the high-temperature proton conductor CaZr0.90In0.10O3-α

Hiroshige Matsumoto, Hiroyuki Hayashi, Tetsuo Shimura, Hiroyasu Iwahara, Toshinobu Yogo

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

The electromotive force (EMF) behavior of the hydrogen isotope cell using high-temperature proton conductors has been investigated. In the present study, the EMFs for H2-D2 mixtures and those for H 2-D2 mixtures diluted with argon against the H 2 and D2 reference gases were measured for an electrochemical cell using a proton-conducting electrolyte of CaZr 0.90In0.10O3-α. The theoretical equation for the hydrogen isotope cell was derived and compared to the measured EMFs to confirm its validity. The EMF of the cell can determine the atomic molar fraction of the hydrogen isotopes for gases in which the total pressures of the hydrogen isotopes are known.

Original languageEnglish
Pages (from-to)93-103
Number of pages11
JournalSolid State Ionics
Volume161
Issue number1-2
DOIs
Publication statusPublished - Jul 1 2003
Externally publishedYes

Fingerprint

hydrogen isotopes
Isotopes
Protons
Hydrogen
conductors
Electromotive force
electromotive forces
protons
Gases
cells
Temperature
Electrochemical cells
Argon
electrochemical cells
Electric potential
gases
Electrolytes
argon
electrolytes
conduction

All Science Journal Classification (ASJC) codes

  • Electrochemistry
  • Physical and Theoretical Chemistry
  • Energy Engineering and Power Technology
  • Materials Chemistry
  • Condensed Matter Physics

Cite this

Electrochemical hydrogen isotope sensing via the high-temperature proton conductor CaZr0.90In0.10O3-α . / Matsumoto, Hiroshige; Hayashi, Hiroyuki; Shimura, Tetsuo; Iwahara, Hiroyasu; Yogo, Toshinobu.

In: Solid State Ionics, Vol. 161, No. 1-2, 01.07.2003, p. 93-103.

Research output: Contribution to journalArticle

Matsumoto, Hiroshige ; Hayashi, Hiroyuki ; Shimura, Tetsuo ; Iwahara, Hiroyasu ; Yogo, Toshinobu. / Electrochemical hydrogen isotope sensing via the high-temperature proton conductor CaZr0.90In0.10O3-α . In: Solid State Ionics. 2003 ; Vol. 161, No. 1-2. pp. 93-103.
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