Sintering and property characterization of strontium-doped lanthanum chromite

被引：0

作者：

Simner, SP ^{[1
]}

Hardy, JS ^{[1
]}

Stevenson, JW ^{[1
]}

Armstrong, TR ^{[1
]}

机构：

[1] Battelle Mem Inst, Pacific NW Labs, Dept Chem & Mat Sci, Richland, WA 99352 USA

来源：

SOLID OXIDE FUEL CELLS (SOFC VI) | 1999年 / 99卷 / 19期

关键词：

D O I：

暂无

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

The sintering of La0.85Sr0.15CrO3 (LSC-15) SOFC interconnect material can be significantly enhanced by doping with transition elements, such as Cu, Co, V and Ni, on the chromium B-site. Optimized compositions yielded densities greater than 93% theoretical after sintering at 1550 degrees C for 2 hours, compared to <70% theoretical for un-doped stoichiometric LSC-15. Detailed XRD and DTA was used in an attempt to establish phenomena responsible for sintering, in particular the presence of low melting temperature second phases. High density materials were also evaluated for thermal expansion and electrical conductivity in air.

引用

页码：696 / 705

页数：10

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