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http://dx.doi.org/10.4191/KCERS.2008.45.1.694

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

Choi, Soon-Mok (Korea Institute of Ceramic Engineering & Technology)
Jeong, Seong-Min (Korea Institute of Ceramic Engineering & Technology)
Seo, Won-Seon (Korea Institute of Ceramic Engineering & Technology)
Lee, Hong-Lim (Department of Ceramic Engineering Yonsei University)
Publication Information
Journal of the Korean Ceramic Society / v.45, no.11, 2008 , pp. 694-700 More about this Journal
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.
Keywords
Proton conductor; Oxide electrolyte; $BaCeO_3$; Single cell;
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