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