| abstract |
The present invention provides a carbon material which suppresses excess reactivity with an electrolyte and is excellent in rapid charge / discharge characteristics. (i) a tap density ≥ 0.75g / ㎤, (ii) a Raman R value ≥ 0.23, a Raman spectrum 1358㎝ half width of D band appearing in the vicinity of -1 Δν D <45㎝ -1, also (iii) 4㎡ / g ≤ BET specific surface area (SA) ≤ 11 m2 / g. |