Solid electrolyte steam sensor with an electrochemically supplied hydrogen standard using proton-conducting oxides

Koji Katahira, Hiroshige Matsumoto, Hiroyasu Iwahara, Kunihiro Koide, Takashi Iwamoto

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

A high temperature solid electrolyte steam sensor with an electrochemically supplied hydrogen as a standard was designed and investigated. Two discs of proton-conducting oxide with porous platinum electrodes were stacked and a small hole was made in order to leak the gas at the interface. Constant voltage was applied to one cell in order to pump up hydrogen from water vapor in atmosphere. EMF of the other cell was measured using the pumped hydrogen as a standard gas. On applying a certain voltage, good EMF response against water vapor pressure was observed over a wide range of PH(2)O at 700°C.

Original languageEnglish
Pages (from-to)189-193
Number of pages5
JournalSensors and Actuators, B: Chemical
Volume67
Issue number1
DOIs
Publication statusPublished - Aug 10 2000
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Instrumentation
  • Condensed Matter Physics
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Electrical and Electronic Engineering
  • Materials Chemistry

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