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説明:

This study shows a possibility of the application of a membrane-type surface stress sensor (MSS) with a Pd film to a hydrogen sensor. It was able to detect hydrogen concentrations from 5 to 40000 ppm in a nitrogen gas mixture. In the case of a conventional sensor using a hydrogen-occluding material, it is necessary to wait for a state of saturation. In contrast, the proposed method can detect hydrogen quickly by the initial rate of hydrogen absorption. The relationship between the initial absorption rate and hydrogen concentration is explained by considering the two-step reaction kinetics of hydrogen absorption into bulk Pd via Langmuir dissociative adsorption on surface.

権利情報:

• Creative Commons BY-NC Attribution-NonCommercial 4.0 International
  

キーワード: Hydrogen sensor, membrane-type surface stress sensor

刊行年月日: 2020-02-01

出版者: IOP Publishing

掲載誌:

• Journal of Physics Communications (ISSN: 23996528) vol. 4 issue. 2 p. 25005-25005

研究助成金:

原稿種別: 出版者版 (Version of record)

MDR DOI:

公開URL: https://doi.org/10.1088/2399-6528/ab7319

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更新時刻: 2024-01-05 22:13:52 +0900

MDRでの公開時刻: 2023-10-26 13:30:13 +0900