Patent ID: 7276284
Filing Date: 2007-10-02
Classification: C04B,C10B,H01M,Y02E,Y10T

Abstract:
1. A carbon fiber-reinforced coke, comprising: a mixture of: a proportion of cut carbon fibers being surface-oxidized or non-surface-oxidized or stabilized precursor fibers for forming PAN-based carbon fibers, and at least one of the following being true for said cut carbon fibers or stabilized precursor fibers upon entering the delayed coker, said fibers or precursor fibers: the mixture having been coked in a delayed coker; said feedstock, upon entering the delayed coker, containing at most 4% by weight of said cut carbon fibers or at most 8% by weight of said stabilized precursor fibers; and the coke having a coefficient of thermal expansion with values of at most 0.15×10