Method of Making Fuel Cell Interconnect Using Powder Metallurgy
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United States of America Patent
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Issued Date -
May 23, 2013
app pub date -
Nov 16, 2012
filing date -
Nov 18, 2011
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Abandoned
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Abstract
Methods for fabricating an interconnect for a fuel cell stack that include the steps of providing a metal powder, and rapidly compressing the metal powder, such as with a combustion-driven compaction apparatus, in a lubricant-free and/or sub-atmospheric environment to form the interconnect. The interconnect may have sufficient strength and density such that the interconnect may be incorporated into a fuel cell stack without performing a separate sintering and/or an oxidation step following the compressing.
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