Cordless solid-state hydrogen sensor using proton-conductor thick film

Norio Miura; Tatsuro Harada; Youichi Shimizu; Noboru Yamazoe

doi:10.1016/0925-4005(90)80186-4

Cordless solid-state hydrogen sensor using proton-conductor thick film

Norio Miura, Tatsuro Harada, Youichi Shimizu, Noboru Yamazoe

Research output: Contribution to journal › Article › peer-review

40 Citations (Scopus)

Abstract

Potentiometric as well as amperometric solid-state gas sensors using a thick film (≈ 10 μm) of proton-conductor have been developed for detecting small amounts of hydrogen in air at room temperature. The sensor elements are composed of the following electrochemical cell: reference (or counter) electrode (Au or Pt) | proton-conductor thick film | sensing electrode (Pt). The thick film is formed on an alumina substrate by applying a paste of antimonic acid-polyvinyl alcohol mixture, mainly by means of a spin-coating method. The electromotive force of the potentiometric sensor varies logarithmically with H₂ concentration, while the short-circuit current of the amperometric sensor is found to be proportional to H₂ concentration. Both give a 90% response time of about 10 s at 30 °C.

Original language	English
Pages (from-to)	125-129
Number of pages	5
Journal	Sensors and Actuators: B. Chemical
Volume	1
Issue number	1-6
DOIs	https://doi.org/10.1016/0925-4005(90)80186-4
Publication status	Published - Jan 1990

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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title = "Cordless solid-state hydrogen sensor using proton-conductor thick film",

abstract = "Potentiometric as well as amperometric solid-state gas sensors using a thick film (≈ 10 μm) of proton-conductor have been developed for detecting small amounts of hydrogen in air at room temperature. The sensor elements are composed of the following electrochemical cell: reference (or counter) electrode (Au or Pt) | proton-conductor thick film | sensing electrode (Pt). The thick film is formed on an alumina substrate by applying a paste of antimonic acid-polyvinyl alcohol mixture, mainly by means of a spin-coating method. The electromotive force of the potentiometric sensor varies logarithmically with H2 concentration, while the short-circuit current of the amperometric sensor is found to be proportional to H2 concentration. Both give a 90% response time of about 10 s at 30 °C.",

author = "Norio Miura and Tatsuro Harada and Youichi Shimizu and Noboru Yamazoe",

note = "Funding Information: This work was partially supportedb y grants from the Ministry of Education,S ciencea nd Culture of Japan and Casio ScienceP romotion Foundation.",

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AU - Miura, Norio

AU - Harada, Tatsuro

AU - Shimizu, Youichi

AU - Yamazoe, Noboru

N1 - Funding Information: This work was partially supportedb y grants from the Ministry of Education,S ciencea nd Culture of Japan and Casio ScienceP romotion Foundation.

PY - 1990/1

Y1 - 1990/1

N2 - Potentiometric as well as amperometric solid-state gas sensors using a thick film (≈ 10 μm) of proton-conductor have been developed for detecting small amounts of hydrogen in air at room temperature. The sensor elements are composed of the following electrochemical cell: reference (or counter) electrode (Au or Pt) | proton-conductor thick film | sensing electrode (Pt). The thick film is formed on an alumina substrate by applying a paste of antimonic acid-polyvinyl alcohol mixture, mainly by means of a spin-coating method. The electromotive force of the potentiometric sensor varies logarithmically with H2 concentration, while the short-circuit current of the amperometric sensor is found to be proportional to H2 concentration. Both give a 90% response time of about 10 s at 30 °C.

AB - Potentiometric as well as amperometric solid-state gas sensors using a thick film (≈ 10 μm) of proton-conductor have been developed for detecting small amounts of hydrogen in air at room temperature. The sensor elements are composed of the following electrochemical cell: reference (or counter) electrode (Au or Pt) | proton-conductor thick film | sensing electrode (Pt). The thick film is formed on an alumina substrate by applying a paste of antimonic acid-polyvinyl alcohol mixture, mainly by means of a spin-coating method. The electromotive force of the potentiometric sensor varies logarithmically with H2 concentration, while the short-circuit current of the amperometric sensor is found to be proportional to H2 concentration. Both give a 90% response time of about 10 s at 30 °C.

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Cordless solid-state hydrogen sensor using proton-conductor thick film

Abstract

All Science Journal Classification (ASJC) codes

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