Three-phase Boundary Length Evaluation in Modeled Sintered Composite Solid Oxide Fuel Cell Electrodes

被引：2
|
作者：
Metcalfe, C. [1 ]
Kesler, O. [1 ]
Rivard, T. [2 ]
Gitzhofer, F. [2 ]
Abatzoglou, N. [2 ]
机构：
[1] Univ Toronto, Dept Mech & Ind Engn, Toronto, ON M5S 3G8, Canada
[2] Univ Sherbrooke, Dept Chem Engn, Quebec City, PQ J1K 2R1, Canada
来源：
SOLID OXIDE FUEL CELLS 11 (SOFC-XI) | 2009年 / 25卷 / 02期
关键词：
FUNCTIONALLY GRADED CATHODES; RECONSTRUCTION; FABRICATION;
D O I：
10.1149/1.3205647
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
A numerical methodology for evaluating the three-phase boundary length in sintered composite electrode layers is developed. Three dimensional models of sintered composite electrodes are generated for which the mean particle diameter, composition, and total porosity may be specified as input parameters. Tomographic methods are used to reconstruct the modeled electrode and the percolation for each phase is evaluated. The connected three-phase boundary length is calculated for a range of electrode designs.
引用
收藏
页码：1185 / 1194
页数：10
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