| abstract |
PROBLEM TO BE SOLVED: To provide a composite positive electrode active material for a lithium secondary battery, a method for producing the same, and a lithium secondary battery including a positive electrode containing the same. SOLUTION: A composite positive electrode active material for a lithium secondary battery including a nickel-based active material and a cobalt-boron compound-containing coating layer arranged on the surface of the nickel-based active material, a method for producing the same, and a method thereof. It is a lithium secondary battery including a positive electrode. [Selection diagram] FIG. 1D |