| 摘要 |
PROBLEM TO BE SOLVED: To provide a negative electrode material for a lithium ion secondary battery having excellent charge/discharge cycle characteristics, and also to provide a negative electrode using the same and a secondary battery.SOLUTION: A negative electrode material for a lithium ion secondary battery includes a mixture with compound particles composed of a compound consisting of silicon oxide particles composed of a silicon compound, rod-like iron oxide particles composed of an iron oxide, Li (lithium), Mg (magnesium), P (phosphorus), and O (oxygen). |
