Abstract: A method of manufacturing a carbon material comprising a composite of a porous carbon material and a conductive polymer, in which a dispersion solution of the porous carbon material and a dispersion solution of the conductive polymer are mixed to make the composite of the porous carbon material and the conductive polymer. The carbon material has: a specific surface area of 750 to 3000 m2/g, a methylene blue adsorption performance of 150 mL/g or more, and 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.

Abstract: A method of manufacturing a carbon material comprising a composite of a porous carbon material and a conductive polymer, in which a dispersion solution of the porous carbon material and a dispersion solution of the conductive polymer are mixed to make the composite of the porous carbon material and the conductive polymer. The carbon material has: a specific surface area of 750 to 3000 m2/g, a methylene blue adsorption performance of 150 mL/g or more, and 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.

Abstract: An object of the present invention is to provide an electrode material and a graphite material used for an electrode material, from which an electrochemical element with a small initial irreversible capacity and excellent cycle characteristics can be obtained. A graphite material of the present invention is a graphite material having a specific surface area of 0.1 to 30 m2/g, an intensity ratio R (ID/IG) of a peak intensity (ID) at around 1,360 cm?1 to a peak intensity (IG) at around 1,580 cm?1 of not less than 0.60 and not more than 1.30, and an intensity ratio S (I1520/IG) of a peak intensity (I1520) at 1,520 cm?1 to a peak intensity (IG) at around 1,580 cm?1 of not less than 0.55 and not more than 0.70, in a spectrum obtained by the laser Raman spectroscopy using an excitation wavelength of 532 nm.

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 m2/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.

Abstract: An object of the present invention is to provide an electrolyte for photoelectric conversion elements, and a photoelectric conversion element and a dye-sensitized solar cell using the electrolyte, wherein high energy conversion efficiency can be achieved while substantially not including iodine. The electrolyte for a photoelectric conversion element of the present invention includes an ionic liquid (A) and a carbon material (B) having a specific surface area of from 1,000 to 3,500 m2/g, wherein a content of the carbon material (B) is from 10 to 50 parts by mass per 100 parts by mass of the ionic liquid (A).

Abstract: An object of the present invention is to provide an electrolyte for photoelectric conversion elements, and a photoelectric conversion element and a dye-sensitized solar cell using the electrolyte, wherein high energy conversion efficiency can be achieved while substantially not including iodine. The electrolyte for a photoelectric conversion element of the present invention includes an ionic liquid (A) and a carbon material (B). The carbon material (B) is a carbon material (B1) displaying a pH, measured by a pH measuring method specified in Japanese Industry Standard (JIS) Z8802, of from 2 to 6 and/or a boron-modified acetylene black (B2). A content of the carbon material (B) is from 10 to 50 parts by mass per 100 parts by mass of the ionic liquid (A).

Abstract: An object of the present invention is to provide an electrolyte for photoelectric conversion elements, and a photoelectric conversion element and a dye-sensitized solar cell using the electrolyte, wherein high energy conversion efficiency can be achieved while substantially not including iodine. The electrolyte for a photoelectric conversion element of the present invention includes an ionic liquid (A) and a carbon material (B). The carbon material (B) is a carbon material (B1) displaying a pH, measured by a pH measuring method specified in Japanese Industry Standard (JIS) Z8802, of from 2 to 6 and/or a boron-modified acetylene black (B2). A content of the carbon material (B) is from 10 to 50 parts by mass per 100 parts by mass of the ionic liquid (A).

Abstract: An object of the present invention is to provide an electrolyte for photoelectric conversion elements, and a photoelectric conversion element and a dye-sensitized solar cell using the electrolyte, wherein high energy conversion efficiency can be achieved while substantially not including iodine. The electrolyte for a photoelectric conversion element of the present invention includes an ionic liquid (A) and a carbon material (B) having a specific surface area of from 1,000 to 3,500 m2/g, wherein a content of the carbon material (B) is from 10 to 50 parts by mass per 100 parts by mass of the ionic liquid (A).