Reduction of wind disturbance by optimizing the drive current of Pt ultra-thin film hydrogen sensor

被引：0
|
作者：
Goda Y. [1 ]
Shobu H. [1 ]
Sakai K. [1 ]
Kiwa T. [1 ]
Kondo K. [2 ]
Takahashi T. [2 ]
Ueda N. [2 ]
Tsukada K. [1 ]
机构：
[1] Advanced Electro Measurement Technology Lab, Graduate School of Interdisciplinary Science and Engineering in Health Systems, Okayama University, 1-1-1, Tsushimanaka, Kita-ku, Okayama city, Okayama
[2] RICOH Electronic Devices Co. 13-1, Himemuro-cho, Ikeda city, Osaka
来源：
IEEJ Transactions on Sensors and Micromachines | 2020年 / 140卷 / 04期
关键词：
Hydrogen sensor; Improvement of environmental resistance; Pt ultra-thin film; Temperature dependence;
D O I：
10.1541/ieejsmas.140.92
中图分类号：
学科分类号：
摘要：
Hydrogen gas poses risks of gas leakage and explosion because the size of hydrogen molecule is very small, and its wide range of inflammability (4–75% in air). Therefore, a high-performance hydrogen sensor is indispensable for the widespread safe use of hydrogen energy. In this study, environmental resistance is improved by optimizing the current drive method of Pt ultra-thin film hydrogen sensor. The sensor output was stable even if the gas flow around the sensor changed by driving at the low current (1 mA). In addition, the sensitivity was sufficient under low current drive. © 2020 The Institute of Electrical Engineers of Japan.
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页码：92 / 96
页数：4
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