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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/49939

Title: Ceria Diffusion and Electrical Properties on Lanthanum doped Strontium Titanate
Authors: Yao-Ming Wang
Chia-Hsin Lin
Ching-Iuan Sheu
Ying-Chang Hung
Horng-Yi Chang
Contributors: 國立臺灣海洋大學:輪機工程學系
Date: 2014-05
Issue Date: 2018-09-04T01:46:00Z
Publisher: ECS Transactions
Abstract: Abstract: The Ce component was coated on the as-prepared La0.3Sr0.7TiO3 (LST) particles. The lattice of LST did not change with the amount of Ce-coating after 1300-1400°C sintering in air but distortion occurred for the Ce-LST sintered at the temperature of 1500°C. The Ce diffusion into LST lattice to affect the lattice distortion was also observed for sintering at 1400°C in activated carbon atmosphere. The 1.5 and 3.0 mol% Ce coatings exhibited slightly lower conductivities than LST without Ce-coating under the 95%Ar+5%H2 atmosphere. The conductivity decreased significantly when the Ce-coating was too high such as 6 mol%. The Ce-LST anode increased the power performance of half-cell compared with the LST anode without Ce-coating. A suitable Ce-coating could behave high power density of the half-cell 3.0 mol% Ce-LST/LSBC. Thus, the Ce coating on LST could enhance the electrical properties of LST/LSBC cell due to the effect of Ce species diffusion into LST structure.
Relation: 59(1) pp.201-207
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/49939
Appears in Collections:[輪機工程學系] 期刊論文

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