Effect of addition method of gadolinia-doped ceria-added FeCr gas diffusion layer on performance of direct-methane solid oxide fuel cells

被引：2

作者：

Huang, Meng-Chin ^{[1
]}

Huang, Ta-Jen ^{[1
]}

机构：

[1] Natl Tsing Hua Univ, Dept Chem Engn, Hsinchu 300, Taiwan

来源：

JOURNAL OF POWER SOURCES | 2009年 / 191卷 / 02期

关键词：

FeCr alloy; Gas diffusion layer; Gadolinia-doped ceria; Surface modification; Methane; Solid oxide fuel cell; BULK LATTICE-OXYGEN; ANODE; NI; SOFCS; OPERATION; OXIDATION; SURFACE; SYNGAS; STEAM;

D O I：

10.1016/j.jpowsour.2009.02.018

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：

A solid oxide fuel cell (SOFC) was set tip with a Porous disk of gadolinia-doped ceria (GDC)-added FeCr as a gas diffusion layer under direct-methane feeding. The addition of GDC was clone by mixing GDC powder with FeCr powder before disk fabrication, Or by coating GDC powder or impregnating GDC precursor to the surface of the porous FeCr disk. When GDC was added by mixing, the direct-methane SOFC (DM-SOFC) performance degraded very rapidly. When GDC was added by either powder coating or impregnating, the DM-SOFC performance can be relatively stable. Both the current density and the CO2 selectivity with GDC addition by impregnating ale larger than those by powder coating. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：555 / 559

页数：5

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