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

45 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
Externally published	Yes

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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10.1016/0925-4005(90)80186-4

Cite this

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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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T1 - Cordless solid-state hydrogen sensor using proton-conductor thick film

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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JO - Sensors and Actuators: B. Chemical

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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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