リチウム二次電池用正極活物質とその製造方法、及び、リチウム二次電池用正極とその正極を備えるリチウム二次電池

Japanese Patent JP5686459

B2

To provide the following: a positive-electrode active material for a lithium secondary battery, said material being inexpensive to synthesize and having good storage characteristics after battery manufacture; a manufacturing method therefor; a positive electrode provided with said positive-electrode active material; and a lithium secondary battery provided therewith. [Solution] This positive-electrode active material for a lithium secondary battery contains a carbonaceous material and iron-containing lithium titanate that has a cubic rock-salt structure and can be represented by the composition formula Li1+x(Ti1−yFey)1−xO2 (with 0