Anode-supported tubular SOFCs based on BaZr0.1Ce0.7Y0.1Yb0.1O3-δ electrolyte fabricated by dip coating

被引：38
|
作者：
Chen, Changcheng [1 ,2 ]
Liu, Mingfei [1 ]
Bai, Yaohui [1 ]
Yang, Lei [1 ]
Xie, Erqing [2 ]
Liu, Meilin [1 ]
机构：
[1] Georgia Inst Technol, Sch Mat Sci & Engn, Ctr innovat Fuel Cell & Battery Technol, Atlanta, GA 30332 USA
[2] Lanzhou Univ, Sch Phys Sci & Technol, Lanzhou 730000, Gansu, Peoples R China
来源：
ELECTROCHEMISTRY COMMUNICATIONS | 2011年 / 13卷 / 06期
关键词：
Tubular SOFCs; BZCYYb; Dip coating; Ohmic resistance; OXIDE FUEL-CELLS; PHASE-INVERSION METHOD; PROTON CONDUCTORS; CONDUCTIVITY; PERFORMANCE; STACK;
D O I：
10.1016/j.elecom.2011.03.025
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Anode-supported tubular solid oxide fuel cells (SOFCs) based on a proton and oxide ion mixed conductor, BaZr0.1Ce0.7Y0.1Yb0.1O3-delta (BZCYYb), have been fabricated using a dip coating and co-firing process. This new fabrication technique effectively reduced the Ohmic resistances of tubular cells to similar to 0.1 and similar to 0.3 Omega cm(2) at 750 and 600 degrees C, respectively. Typical tubular cells with Ni-BZCYYb anode, BZCYYb electrolyte, and La0.6Sr0.4Co0.2Fe0.8O3-delta (LSCF)-BZCYYb composite cathode demonstrated much-improved performance, achieving peak power densities of 1.13, 0.81. 0.63, and 0.53 W cm(-2) at 750, 700, 650, and 600 degrees C, respectively. when humidified (3 v% water vapor) hydrogen was used as fuel and ambient air as oxidant. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：615 / 618
页数：4
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