Interconnect thermal expansion matching to solid oxide fuel cells

被引：13

作者：

Church, BC ^{[1
]}

Sanders, TH ^{[1
]}

Speyer, RF ^{[1
]}

Cochran, JK ^{[1
]}

机构：

[1] Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA

来源：

JOURNAL OF MATERIALS SCIENCE | 2005年 / 40卷 / 18期

关键词：

D O I：

10.1007/s10853-005-3887-2

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A method for the rapid fabrication of homogeneous potential interconnect alloys from metal oxide precursors and evaluation of their thermal expansion mismatch to solid oxide fuel cells is described. Pastes of metal oxide powders were extruded into honeycomb geometries and sintered in hydrogen. Thermal expansion mismatch was evaluated based on heating with a zero-mismatch at room temperature, and on cooling with zero-mismatch temperatures at 600 or 1100 degrees C. The non-linear expansion behavior of Fe-Ni invar alloys resulted in different compositions being optimum, based on the assumed zero-mismatch temperature. (c) Springer Science + Business Media, Inc.

引用

页码：4893 / 4898

页数：6

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