| abstract |
A conductive material dispersion comprising a conductive material comprising carbon fibers, a dispersing agent, and a dispersion medium, wherein the dispersing agent comprises a copolymer A containing a nitrile group-containing structural unit and an aliphatic hydrocarbon structural unit, and Mooney of the copolymer A Viscosity (ML 1+4 , 100° C.) is 40 to 70, and the conductive material dispersion is a conductive material dispersion having a phase angle of 19° or more at a frequency of 1 Hz. |