| abstract |
Disclosed are: a Li 3 V 2 (PO 4 ) 3 -type positive electrode active material for a lithium secondary battery, which has high discharge capacity and excellent storage performance, particularly excellent storage performance at higher temperatures; and a lithium secondary battery utilizing the positive electrode active material.nSpecifically disclosed are: a positive electrode active material for a lithium secondary battery, which is characterized by being represented by general formula Li 3 V 2 (PO 4 ) 3-x (BO 3 ) x (wherein x is more than 0 and not more than 2 -2 , preferably falls within the range from 2 -7 to 2 -3 inclusive); a positive electrode for a lithium secondary battery, which comprises the positive electrode active material; and a lithium secondary battery equipped with the positive electrode. |