JSAP Review
Online ISSN : 2437-0061
Tutorial Review
Development of defect-structure-type proton conductors and their application to sensors and fuel cells
Yuji Okuyama
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JOURNAL OPEN ACCESS

2024 Volume 2024 Article ID: 240207

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Abstract

Defect-structure-type proton conductors are ceramics in which hydrogen ions (protons) dissolve in oxides and diffuse in the crystal. The material has attracted considerable attention as an electrolyte for hydrogen sensors and fuel cells. In this review, the material properties and polarization characteristics of defect-structure-type proton conductors will be described, and the application to hydrogen sensors and fuel cells will be introduced.

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