Electrochemical performance of Ni1-xFex-Ce0.8Gd0.2O1.9 cermet anodes for solid oxide fuel cells using hydrocarbon fuel

被引：14
|
作者：
Cho, Chun-Kang [1 ]
Choi, Byung-Hyun [2 ]
Lee, Ki-Tae [1 ,3 ]
机构：
[1] Chonbuk Natl Univ, Div Adv Mat Engn, Jeonju 561756, South Korea
[2] Korea Inst Ceram Engn & Technol, Opt & Elect Ceram Div, Seoul 153801, South Korea
[3] Chonbuk Natl Univ, Hydrogen & Fuel Cell Res Ctr, Jeonju 561756, South Korea
来源：
CERAMICS INTERNATIONAL | 2013年 / 39卷 / 01期
关键词：
Solid oxide fuel cell; Cermet anode; Electrical conductivity; Carbon deposition; CATALYTIC-PROPERTIES; CARBON DEPOSITION; NI; METHANE; OXIDATION; TEMPERATURE; STABILITY; GAS;
D O I：
10.1016/j.ceramint.2012.06.039
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Ni1 - xFex bimetallic-based cermet anodes were investigated for hydrocarbon-fueled solid oxide fuel cells. Ni-1 (-) Fe-x(x)-Ce0.8Gd0.2O1.9 cermet anodes were synthesized using a glycine nitrate process, and their electrical conductivity and the amount of carbon deposits were found to decrease with increasing Fe content. The anode polarization resistance for the CH4 fuel was significantly reduced by Fe alloying, which was strongly related to the carbon deposition behavior. The maximum power density of the single cell with Ni0.85Fe0.15-Ce0.8Gd0.2O1.9 in CH4 at 800 degrees C was 0.27 W/cm(2). Fe alloying significantly improved the electrochemical performance of solid oxide fuel cells in CH4 fuel by suppressing carbon deposition. (C) 2012 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码：389 / 394
页数：6
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