Journal of Sensor Science and Technology (센서학회지)

The Korean Sensors Society (한국센서학회)
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Solid Electrochemical Method of Measuring Hydrogen Concentration with O2-/H+ Hetero-Ionic Junction

  • Received : 2023.10.30
  • Accepted : 2023.11.07
  • Published : 2024.03.31
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Abstract

A novel method for measuring hydrogen concentration is introduced, along with its working principle and a novel detection algorithm. This configuration requires no additional reference compartment for potentiometric electrochemical measurements; therefore, it is the most suitable for measuring dissolved hydrogen in the liquid phase. The sensor's electromotive force saturates at a certain point, depending on the hydrogen concentration during the heating process of the sensor operation. This dynamic temperature scanning method provides higher sensitivity than the constant temperature measurement method.

Keywords

Acknowledgement

This work was supported by the Daedok Innopolis R&BD Project and the MSIT as GFP/CISS 2011-0031870. I would also like to thank Prof. H. J. Yoo for the helpful discussions on the derivation of the mathematical algorithm.

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