Direct Utilization of Methanol and Ethanol on La0.75Sr0.25Cr0.5Mn0.5O3-δ Anodes for Solid Oxide Fuel Cells

被引：10

作者：

Cimenti, Massimiliano ^{[1
]}

Buccheri, Marco A. ^{[1
]}

Hill, Josephine M. ^{[1
]}

机构：

[1] Univ Calgary, Schulich Sch Engn, Dept Chem & Petr Engn, Calgary, AB T2N 1N4, Canada

来源：

ELECTROCATALYSIS | 2012年 / 3卷 / 01期

基金：

加拿大自然科学与工程研究理事会;

关键词：

Solid oxide fuel cells; LSCM anode; Direct utilization; Methanol; Ethanol; COMBUSTION SYNTHESIS; COMPOSITE ANODE; SOFC ANODES; PERFORMANCE; OXIDATION; GAS; ELECTRODES; NI/YSZ;

D O I：

10.1007/s12678-011-0076-8

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 direct utilization of methanol and ethanol was tested in La0.75Sr0.25Cr0.5Mn0.5O3-delta (LSCM) anodes to verify stability and to determine whether this material can inhibit carbon formation. The catalytic decomposition of the alcohols was tested ex situ, while performance and stability were tested in situ at 800 degrees C. Ex situ results indicate that in methanol LSCM rapidly loses its catalytic activity for the decomposition reaction, while in ethanol pyrolytic reactions are dominant. LSCM does not inhibit carbon formation with both alcohol fuels. In situ cell performance is modest both in hydrogen and alcohols fuels. Performance degradation is observed after exposure to the alcohols, but coking does not permanently damage the electrode structure. Increased conductivities as well as optimization of the electrode microstructures are required to improve the performance of these anodes.

引用

页码：59 / 67

页数：9

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