Method for preparing composite flexible graphite material
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United States of America Patent
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Mar 6, 2007
Issued Date -
N/A
app pub date -
Aug 20, 2002
filing date -
May 31, 2001
priority date (Note) -
Expired
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Abstract
An improved method enables preparation of articles for a variety of applications, including embossing or otherwise shaping to form a variety of articles. A plurality of thin, preferably resin-impregnated, flexible graphite sheets are arranged to form zones in a composite material having a graded density or other characteristic. Variation of properties between zones in the stock material formed is useful for achieving a desired set of properties in the formation of articles such as those useful in electrochemical fuel cells and double-layer capacitors.
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