Nickel-Iron/Gadolinium-Doped Ceria (CGO) Composite Electrocatalyst as a Protective Layer for a Solid-Oxide Fuel Cell Anode Fed with Biofuels

被引：15
|
作者：
Lo Faro, Massimiliano [1 ]
Trocino, Stefano [1 ]
Zignani, Sabrina Campagna [1 ]
Italiano, Cristina [1 ]
Reis, Rafael Machado [2 ]
Ticianelli, Edson Antonio [2 ]
Arico, Antonino Salvatore [1 ]
机构：
[1] CNR, Inst Adv Energy Technol ITAE, Via Salita S Lucia Contesse 5, I-98126 Messina, Italy
[2] Univ Sao Paulo, Inst Quim Sao Carlos, Av Trab Sao Carlense 400, BR-13560970 Sao Carlos, SP, Brazil
来源：
CHEMCATCHEM | 2016年 / 8卷 / 03期
基金：
巴西圣保罗研究基金会;
关键词：
biomass; electrochemistry; fuel cells; iron; nickel; CATALYSTS; QUANTIFICATION; OXIDATION; HYDROGEN; METHANE; CEO2;
D O I：
10.1002/cctc.201501090
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：
The performance and reliability of a commercial solid-oxide fuel cell (SOFC) with the anode coated by a protective catalytic layer is demonstrated. Physico-chemical and electrochemical characterizations of a Ni-Fe/gadolinium-doped ceria (CGO) electrocatalyst forming the protective layer are reported. The anode layer was prepared by using a procedure that favors the interaction between Ni and Fe. Power densities approaching 0.3Wcm(-2) for the SOFC cell fed with dry organic fuels were obtained. A time test was performed in the presence of a large flow rate of dry organic fuels under operating conditions (0.8V) showing appropriate fuel flexibility for the device. The resistance to sulfur contamination was verified by feeding increasing amounts of H2S. The cell showed only moderate performance losses until 80ppm of sulfur contaminant.
引用
收藏
页码：648 / 655
页数：8
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