| 摘要 |
PROBLEM TO BE SOLVED: To provide a positive electrode material for lithium secondary battery exhibiting excellent battery characteristics, in a lithium secondary battery using lithium iron phosphate.SOLUTION: A positive electrode material for lithium secondary battery containing lithium iron phosphate contains at least primary particles composed of aggregation of crystallites of the lithium iron phosphate. When distortion of the crystallites on the contact interface of crystallites of the lithium iron phosphate is A, following relation is satisfied: A≤0.25. |
