| 摘要 |
PROBLEM TO BE SOLVED: To provide a positive electrode active material for lithium secondary batteries, which includes a lithium transition metal complex oxide having a spinel type crystal structure and is superior in durability.SOLUTION: A positive electrode active material for lithium secondary batteries according to the present invention comprises: a lithium transition metal complex oxide of a spinel type crystal structure. The lithium transition metal complex oxide includes manganese (Mn) and nickel (Ni) as primary transition metal elements, and at least titanium (Ti) and iron (Fe) as additional transition metal elements, and fluorine (F) in addition to oxygen (O).SELECTED DRAWING: None |
