5. The precursor of the positive electrode active material for a secondary battery according to claim 1, having an average particle diameter (D) of 7 to 20 μm50) And 5.0m2G to 30.0m2BET specific surface area in g.
The precursor
average particle diameter
7 to 20 μm
μm
The precursor
BET specific surface
5.0m2G to 30.0m2