Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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Single Cell Test for Proton Conducting Oxide Electrolytes Based on the BaCe0.9M0.1O3−δ (M=La, Al) System

단위전지 제작을 통한 BaCe0.9M0.1O3−δ (M=La, Al)계 Proton 전도성 산화물 전해질의 특성평가

  • Published : 2008.11.30
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Abstract

Proton conducting oxides based on the $BaCe_{0.9}M_{0.1}O_{3-{\delta}}$ (M = La, AL) were tested for the alternative electrolyte materials of fuel cell. The power density for single cell of Air |Pt| $BaCe_{0.9}M_{0.1}O_{3-{\delta}}$ |Pt| $H_2(3%H_2O)$ system was maximum $0.04W/cm^2$ at $1000^{\circ}C$. In this system, proton transport number was proved to depend on the lattice parameters and the distortion of $CeO_6$ octahedral as a function of the ionic radii of acceptor ions. This proton conducting oxide system requires developing the new electrode materials for application.

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References

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