Author(s)

Tirui Xia ¹, Lianwei Ge ², Renzong Chen ¹, Ting Liu ³

Affiliation(s)

¹ Department of Scientific Research Management, CNNC High Temperature Reactor Holdings Co., Ltd, Beijing, China
² Department of Science and Technology and International Cooperation, National Nuclear Power Co., Ltd, Beijing, China
³ Nuclear and Radiation Safety Center, MEE, Beijing, China

Corresponding Author

Tirui Xia

ABSTRACT

In order to develop the trace tritium monitoring technologies in exhaust gas of nuclear power plants and other tritium apparatus, a high-temperature proton conductor ceramic CaZr_0.9In_0.1O_3-α was used as a hydrogen sensor for tritium monitoring. The trace hydrogen extraction characteristics of an electrochemical hydrogen isotopes sensor using a one-closed CaZr_0.9In_0.1O_3-α proton conductor tube were studied in case of helium with 100 ppm and 10ppm levels of hydrogen, respectively. These results indicated that about 99% of hydrogen at anode was recovered to the cathode, and the electrochemical hydrogen sensor will be one of potential trace tritium extraction and monitoring technologies. The driving force of extracting hydrogen in the hydrogen sensor was a potential difference without pressurization, so the hydrogen sensor can extract hydrogen isotopes from a low-pressure hydrogen isotope gas by only loading direct current voltage.

KEYWORDS

Tritium monitor, proton conductor, CaZr0.9In0.1O3-α, hydrogen sensor

CITE THIS PAPER

Tirui Xia, Lianwei Ge, Renzong Chen, Ting Liu, High-temperature Proton Conductor Hydrogen Sensor for Tritium Monitoring. Journal of Materials, Processing and Design (2023) Vol. 7: 42-46. DOI: http://dx.doi.org/10.23977/jmpd.2023.070206.

REFERENCES

[1] Hiroyasu Iwahara et al., Prospect of hydrogen technology using proton-conducting ceramics, Solid State Ionics 168 (2004) 299–310.
[2] M. Tanaka et al., Hydrogen enrichment by means of electrochemical hydrogen pump using proton conducting ceramics for a tritium stack monitor, Fusion Eng. Des. 81 (2006)1371–1377.
[3] Tirui Xia et al., Hydrogen extraction characteristics of high-temperature proton conductor ceramics for hydrogen isotopes purification and recovery, Fusion Eng. Des. 89(2014)1500–1504.

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