Carbon fibril aggregates

Details Carbon fibril aggregates Carbon fibril aggregates

D - Textiles, Paper

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D01F 9/12 (2006.01) B01J 21/18 (2006.01) B01J 32/00 (2006.01) B01J 35/00 (2006.01) B01J 35/06 (2006.01) B32B 33/00 (2006.01) C01B 31/02 (2006.01) C01B 31/04 (2006.01) H01M 4/08 (2006.01) H01M 4/62 (2006.01) H01M 4/96 (2006.01) H01M 6/08 (2006.01) H01M 4/80 (2006.01) H01M 4/58 (2006.01)

Patent

CA 2066199

In one aspect, a fibril aggregate that includes a multi- plicity of carbon fibrils whose longitudinal axis have sub- stantially the same relative orientation, each of the fibrils characterized as having graphitic layers that are substantial- ly parallel to its longitudinal axis and being free of a contin- uous thermal carbon overcoat and a method for preparing such-aggregates. In another aspect, an improved battery (10) having an anode (12), a cathode (14) that includes a chemi- salty reducible material into which is incorporated an amount of electrically conductive carbon microfibers suffi- cient to enhance the electrical conductivity of the chemically reducible material and an electrolyte. In another aspect; an improved electrochemical cell having a catalytic electrode on which an electrochemical reaction occurs which has in- corporated therein carbon microfibers having diameters less than 0:1 micron in an amount sufficient to enhance the elec- trical conductivity of the electrode.

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