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Anode Current Collecting Efficiency of Tubular Anode-supported Solid Oxide Fuel Cells

✍ Scribed by Y. Bai; C. Wang; C. Jin; J. Liu

Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
320 KB
Volume
11
Category
Article
ISSN
1615-6846

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✦ Synopsis

Abstract

Anode current collection points (ACCPs) were fabricated on the outside surface of a tubular anode‐supported solid oxide fuel cell (SOFC). The ACCPs were distributed axially along the SOFC tube with the distance between every adjacent two ACCPs the same. The effect of collecting current with different number of ACCPs on the performance of the SOFC was studied. It was found that with the same effective area, using more ACCPs to collect the current leads to better performance, while with a SOFC with a determined total surface area, there is an optimum number of ACCPs to be made and used considering the area occupied by the ACCPs themselves.

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The solid oxide fuel cell (SOFC) is a highly efficient energy conversion system that transforms chemical energy to electrical energy and heat directly from gasified fuels by electrochemical reactions of fuels and oxidants. The supplied fuels can be hydrocarbon compounds such as CH 4 , C 2 H 6 , and