Carbon material and electrode material using same

Abstract

An object of the present invention is to provide an electrode material and a carbon material used in an electrode material that enable an electrochemical element to be obtained with high electrostatic capacitance. The carbon material according to the present invention is a carbon material that has a specific surface area of 750 to 3000 m 2 /g, has a methylene blue adsorption performance of 150 mL/g or more, and has at least three peaks in a range 1250 to 1700 cm −1 in a spectrum obtained by laser Raman spectroscopy with an excitation wavelength of 532 nm.

1 . A carbon material, having a specific surface area of 750 to 3000 m 2 /g,
 having a methylene blue adsorption performance of 150 mL/g or more, and   having at least three peaks in a range 1250 to 1700 cm −1  of a spectrum obtained by laser Raman spectroscopy with an excitation wavelength of 532 nm.   
     
     
         2 . The carbon material according to  claim 1 , having a zeta potential isoelectric point within a range pH 3.0 to pH 5.5. 
     
     
         3 . The carbon material according to  claim 1 , comprising a composite of a porous carbon material and a conductive polymer. 
     
     
         4 . The carbon material according to  claim 3 , wherein the conductive polymer is a conductive polymer that includes a nitrogen atom and/or a conductive polymer that includes a sulfur atom. 
     
     
         5 . The carbon material according to  claim 4 , wherein the conductive polymer that includes a nitrogen atom is at least one selected from the group consisting of polyaniline, polypyrrole, polypyridine, polyquinoline, polythiazole, polyquinoxaline, and derivatives thereof. 
     
     
         6 . The carbon material according to  claim 4 , wherein the conductive polymer that includes a sulfur atom is at least one selected from the group consisting of polythiophene, polycyclopentadithiophene, and derivatives thereof. 
     
     
         7 . The carbon material according to  claim 3 , wherein the conductive polymer is at least one selected from the group consisting of polyfluorene and derivatives thereof. 
     
     
         8 . An electrode material using the carbon material described in  claim 1 . 
     
     
         9 . An electrochemical element using the electrode material described in  claim 8 . 
     
     
         10 . The carbon material according to  claim 2 , comprising a composite of a porous carbon material and a conductive polymer. 
     
     
         11 . An electrode material using the carbon material described in  claim 2 . 
     
     
         12 . An electrochemical element using the electrode material described in  claim 11 .