Modeling of patterned mixed-conducting electrodes and the importance of sheet resistance at small feature sizes

被引：7

作者：

Das, Rupak ^{[1
]}

Mebane, David ^{[1
]}

Koep, Erik ^{[1
]}

Liu, Meilin ^{[1
]}

机构：

[1] Georgia Inst Technol, Sch Mat Sci & Engn, Ctr Innovat Fuel Cell & Battery Technol, Atlanta, GA 30332 USA

来源：

SOLID STATE IONICS | 2007年 / 178卷 / 3-4期

关键词：

mixed conductor; patterned electrode; simulations; sheet resistance;

D O I：

10.1016/j.ssi.2006.12.021

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 sheet resistance of patterned electrodes was modeled and corrected using a finite volume technique. Results show that the sheet resistance of patterned electrodes may dramatically reduce the utilization or the performance of the electrodes when the feature size (e.g., thickness or width) is sufficiently small. Further, the utilization of a patterned electrode with a given geometry can be estimated, which may be used for correcting the sheet resistance effect on electrode performance. These results are important not only to fundamental study of electrode reaction mechanisms and kinetics but also to better design of porous mixed-conducting electrodes for solid oxide fuel cells. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：249 / 252

页数：4

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