Conductive sheet material
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United States of America Patent
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Jul 3, 2007
Grant Date -
Sep 4, 2003
app pub date -
Apr 12, 2001
filing date -
Apr 17, 2000
priority date (Note) -
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Abstract
A conductive microporous sheet material comprises primary carbon fibres having a cross-sectional dimension of at least 1 .mu.m, secondary carbon fibres in the form of carbon nanofibres and a binding agent for binding said primary and secondary fibres. The material may be produced by a wet-laid non-woven (paper-making) process. The sheet material may be used as a gas diffusion layer for a fuel cell or an electrode material for a battery.
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