SILICON/CARBON COMPOSITE AND MANUFACTURING METHOD OF THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a manufacturing method of a silicon/carbon composite, capable of forming a homogeneous silicon-containing thin film on a surface of a conductive carbon material, and also to provide a silicon/carbon composite capable of achieving an increase in capacity of a power storage device and exhibiting favorable charge/discharge cycle characteristics when being used as a negative electrode material of a negative electrode for a power storage device.SOLUTION: A manufacturing method of a silicon/carbon composite according to the present invention includes: a step (a) of forming a carbon-containing thin film on a surface of a conductive carbon material by a chemical vapor deposition method (CVD) using carbon-containing gas; and a step (b) of, after the step (a), forming a silicon-containing thin film on the conductive carbon material by a chemical vapor deposition method (CVD) using silicon-containing gas.SELECTED DRAWING: Figure 3