Patent ID: 7214430
Filing Date: 2007-05-08
Classification: B29C,B82Y,C04B,C08K,C08L,D01F,H01M,Y02E,Y10S,Y10T

Abstract:
1. A composite material comprising a matrix and carbon fibrous structures, wherein each of the carbon fibrous structures comprises a three dimensional network of carbon fibers each having an outside diameter of 15–100 nm, wherein the carbon fibrous structure further comprises a granular part with which carbon fibers are bound in a state such that the carbon fibers extend outwardly from the granular part, and wherein the granular part is produced in a growth process of the carbon fibers, and wherein an amount of the carbon fibers added to the matrix is in a range of 0.1 to 30% by weight of a total weight of the composite material.