NOVELTY - A carbon material has adsorption amount of dimethylbibenzyl of 30 ppm or more, measured based on a method, which involves dispersing 5 g carbon material in 5 g xylene solution containing 300 ppm dimethylbibenzyl, applying ultrasonic wave at oscillating frequency of 45 kHz and 20 degrees C, carrying out adsorption of dimethylbibenzyl for 30 minutes at output of 80 W, subjecting the xylene solution to gas chromatography, and measuring amount of dimethylbibenzyl remained in the xylene solution, which is the adsorption amount per 1 g carbon material.    USE - Carbon material is used for negative electrode for non-aqueous secondary batteries e.g. lithium ion secondary battery (all claimed) used as power supply for motor vehicles.    ADVANTAGE - The carbon material provides negative electrode capable of forming battery having high input-output characteristics, capacitance and cycling characteristics.    DETAILED DESCRIPTION - A carbon material has adsorption amount of dimethylbibenzyl of 30 ppm or more, measured based on a method, which involves dispersing 5 g carbon material in 5 g xylene solution containing 300 ppm dimethylbibenzyl, applying ultrasonic wave at oscillating frequency of 45 kHz and 20 degrees C, carrying out adsorption of dimethylbibenzyl for 30 minutes at output of 80 W, subjecting the xylene solution, after filtering out the carbon material from dispersed solution, to gas chromatography, and measuring amount of dimethylbibenzyl remained in the xylene solution, which is the adsorption amount per 1 g carbon material, by subtracting the measured amount from the amount of dimethylbibenzyl before dispersion. INDEPENDENT CLAIMS are included for the following:    (1) manufacture of carbon material, which involves adhering organic compound containing 1 %mass or more beta -resin to graphite particles and baking adhered organic compound to graphite particles;    (2) negative electrode for non-aqueous secondary batteries, which consists of active material layer containing the carbon material formed on a electrical power collector; and    (3) lithium ion secondary battery, which consists of the negative electrode and positive electrode, which releases lithium ions, and electrolyte.