Carbon-graphite component for an electrochemical cell and...

Details Carbon-graphite component for an electrochemical cell and... Carbon-graphite component for an electrochemical cell and...

C - Chemistry, Metallurgy

04

B

319/12, 18/3, 31

C04B 35/52 (2006.01) B29C 71/02 (2006.01) C04B 35/64 (2006.01) C04B 35/83 (2006.01) C08J 5/04 (2006.01) C08J 7/00 (2006.01) H01M 4/96 (2006.01) H01M 8/02 (2006.01)

Patent

CA 1307884

ABSTRACT OF THE DISCLOSURE The disclosure teaches a method for making a carbon-graphite component suited for use in an electrochemical cell. A precursor sheet structure, consisting essentially of a mixture of cellulose fibers, purified graphite particles and a carbonizable, thermosetting resin, wherein the cellolose fibers support and position the purified graphite particles, is first formed. The sheet structure is then heated to a first temperature range to carbonize the cellulose fibers and thermosetting resin wherein the carbonized resin bonds the carbonized cellulose fibers and graphite particles together. The sheet structure is then heated to a second, higher temperature range to graphitize the carbonized cellulose fibers and resin.

511706

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