| 摘要 |
PROBLEM TO BE SOLVED: To provide a positive electrode active material for a nonaqueous electrolyte secondary battery having a narrow particle size distribution and a uniform particle size.SOLUTION: In a laser beam diffraction scattering type particle size distribution measurement of a positive electrode active material for a nonaqueous electrolyte secondary battery, when particle sizes with which volume integrated values become 10%, 50%, and 90% are denoted as D10, D50, and D90, respectively, (D50-D10)/D50≤0.25 and (D90-D50)/D50≤0.25 are satisfied. |
