NOVELTY - A graphite/carbon mixed material is formed by mixing graphite material (A) comprising optically anisotropic structure, optical isotropy structure and space, and graphitizable carbon material. When cross-section of a molded product of graphite particles appearing in the region when one side is chosen arbitrarily among 10 square regions of 100 mu m, the ratio of total area (x) of optically anisotropic structure, total area (y) of optical isotropy structure and total area (z) of space is 50-97:3-50:0-10.    USE - Graphite/carbon mixed material is used for carbon material for paste for electrode for battery e.g. lithium ion secondary battery (all claimed) e.g. Uses include but are not limited to portable apparatus, electrically driven drill, hybrid electric vehicles, and electric vehicles.    ADVANTAGE - The lithium ion secondary battery using graphite/carbon mixed material has excellent charging/discharging characteristics and large-current load characteristics. The graphite/carbon mixed material is manufactured efficiently and economically with high productivity.    DETAILED DESCRIPTION - A graphite/carbon mixed material is formed by mixing graphite material (A) comprising optically anisotropic structure, optical isotropy structure and space, and graphitizable carbon material. When cross-section of a molded product of graphite particles appearing in the region when one side is chosen arbitrarily among 10 square regions of 100 mu m, the ratio of total area (x) of optically anisotropic structure, total area (y) of optical isotropy structure and total area (z) of space is 50-97:3-50:0-10, and the total content of area (x) of optically anisotropic structure, area (y) of optical isotropy structure and area (z) of space is 100, and the ratio of maximum average of length of long side portion in optically anisotropic structure with respect to volume-based average particle diameter of optically anisotropic structure is 0.5 or more. An INDEPENDENT CLAIM is included for manufacture of mixed graphite/carbon mixed material.