CARBONACEOUS MATERIAL, AND ELECTRODE MATERIAL FOR ELECTRIC DOUBLE LAYER CAPACITOR, ELECTRODE FOR ELECTRIC DOUBLE LAYER CAPACITOR AND ELECTRIC DOUBLE LAYER CAPACITOR THAT CONTAIN CARBONACEOUS MATERIAL

摘要

An object of the present invention is to provide a carbonaceous material used for an electric double layer capacitor having a high electrostatic capacity and capable of maintaining the high electrostatic capacity and energy density over a long period and a method for producing the same. The present invention relates to a carbonaceous material having a specific surface area of 1,200 m 2 /g to 1,800 m 2 /g according to a BET method, an R-value of 1.2 or more and a G-band half-value width of 70 cm -1 or more according to a Raman spectrum.