Proton-conducting solid oxide fuel cells prepared by a single step co-firing process

被引:32
作者
Bi, Lei
Tao, Zetian
Sun, Wenping
Zhang, Shangquan
Peng, Ranran
Liu, Wei [1 ]
机构
[1] Univ Sci & Technol China, Key Lab Energy Convers Mat, Hefei 230026, Anhui, Peoples R China
基金
中国国家自然科学基金;
关键词
BaCeO(3); Low sintering temperature; Proton conductor; Single step co-firing; Solid oxide fuel cell (SOFC); HIGH-PERFORMANCE CATHODE; ELECTROCHEMICAL PERFORMANCE; BARIUM CERATE; ELECTROLYTE; SOFCS; MEMBRANE; FILM; POLARIZATION; FABRICATION;
D O I
10.1016/j.jpowsour.2009.02.049
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Proton-conducting solid oxide fuel cells (SOFCs), consisting of BaCe(0.7)In(0.3)O(3-delta) (BCI30)-NiO anode substrates, BCI30 anode functional layers, BCI30 electrolyte membranes and BCI30-LaSr(3)Co(1.5)Fe(1.5)O(10-delta) (LSCF) composite cathode layers. were successfully fabricated at 1150 C. 1250 C and 1350 C respectively by a single step co-firing process. The fuel cells were tested with humidified hydrogen (similar to 3%H(2)O) as the fuel and static air as the oxidant. The single cell co-fired at 1250 C showed the highest cell performance. The impedance Studies revealed that the co-firing temperature affected the interfacial polarization resistance of a single cell as well as its overall electrolyte resistance. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码:428 / 432
页数:5
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