Porously coated open-structure substrate and method of manufacture thereof
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United States of America Patent
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Dec 2, 2003
Grant Date -
Mar 20, 2003
app pub date -
Sep 20, 2001
filing date -
Sep 20, 2001
priority date (Note) -
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Abstract
A method for sintering a porous coating on an open-structure substrate, i.e., a substrate with pre-made pores or openings. The open-structure substrate is spread with a coating paste that is prepared with such a viscosity so that the paste will not drip through the pores/openings on the open-structure substrate. The coating paste is then sintered to form a porous layer on the surface of the open-structure substrate. Optionally, the porous coating may be further coated with a catalyst for fuel cell applications.
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