| abstract |
PROBLEM TO BE SOLVED: To provide a carbon material for a secondary battery electrode, which is excellent in cycle characteristics and load characteristics as a lithium ion secondary battery, and exhibits high charge capacity and high charge / discharge efficiency, an electrode for a secondary battery, and lithium ion Provide the next battery. SOLUTION: A carbon material having pores, wherein the carbon material includes 95 to 99 wt% of carbon and at least one of O, N, S, P and B as an element other than carbon. And b) the volume of the pores having a pore diameter of 0.25 to 0.45 nm is 30% by volume or more of the total pore volume, and c) the specific surface area is 15 m 2 / g or less, A carbon material for a secondary battery, characterized in that The secondary battery electrode is characterized in that the carbon material for a secondary battery is used as an electrode active material. Furthermore, the secondary battery comprised including the said secondary battery electrode. [Selection figure] None |