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Activated carbon for use in an electric double layer capacitor which has at least activated carbon, electrolyte solution and a separator, the activated carbon having properties of: the total specific surface area of 1000 m2/g or larger; the pore volume distribution of 400 μl/g or larger for the pore

Activated carbon for use in an electric double layer capacitor which has at least activated carbon, electrolyte solution and a separator, the activated carbon having properties of: the total specific surface area of 1000 m2/g or larger; the pore volume distribution of 400 μl/g or larger for the pores larger than 12 .ANG. and smaller than 40 .ANG. in diameter and of 50 μl/g or larger for the pores larger than 40 .ANG. in diameter; and the total pore volume of 1000 μl/g or smaller.

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1. A method for producing activated carbon for use in an electric double layer capacitor comprising the steps of: mixing sodium hydroxide and a phenolic resin in the ratio of 1-3 to 1 by weight; and heating the resulting mixture in a nitrogen atmosphere in the temperature range of 770 to 1000° C

1. A method for producing activated carbon for use in an electric double layer capacitor comprising the steps of: mixing sodium hydroxide and a phenolic resin in the ratio of 1-3 to 1 by weight; and heating the resulting mixture in a nitrogen atmosphere in the temperature range of 770 to 1000° C. for 4 hours or less. 2. The method of claim 1 in which heating is carried out between 770° C. to 850° C. 3. The method of claim 2 in which heating is carried out for 1.7 hours or less. 4. The method of any of claims 1-3 in which activated carbon has a low temperature electrostatic capacitance of 31 F/g to 44 F/g and a high current electrostatic capacitance of 28 F/g to 51 F/g. 5. The method of any of claims 1-3 in which activated carbon has a low temperature electrostatic capacitance of 40 F/g to 44 F/g and a high current electrostatic capacitance of 32 F/g to 51 F/g. 6. The method of any of claims 1-3 in which activated carbon has a total specific surface area of 1000 m2/g or larger; a pore volume of 400 μl/g or larger for the pores larger than 12 .ANG. in diameter and smaller than 40 .ANG. in diameter; a pore volume of 50 μl/g or larger for the pores larger than 40 .ANG. in diameter; and a total pore volume of 1000 μl/g or less.