High-performance ceramic interconnect for SOFC applications
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United States of America Patent
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Mar 25, 1997
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app pub date -
Feb 28, 1995
filing date -
Jun 21, 1993
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Abstract
An improved ceramic interconnect component for a solid oxide fuel cell having good electrical conductivity thermodynamic stability in the presence of fuel and a coefficient of thermal expansion matching closely that of zirconia electrolytes is disclosed. The interconnect is a lanthanum strontium chromate material containing minor quantities of calcia, and iron and, optionally, very minor quantities of cobalt, as dopants.
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