Method for manufacturing cathode active material for lithium secondary battery

A method for manufacturing a cathode active material containing a lithium composite oxide for a lithium secondary battery, comprising:

• an intermediate generation process, wherein an intermediate which is a powder or a shaped object containing a first material compound which is a compound of a transition metal other than lithium, which constitutes said lithium composite oxide, is generated,
• a lithium source compound addition process, wherein a second material compound which is a lithium compound is added so that the second material compound in the shape of a film adheres to a surface of said intermediate generated by said intermediate generation process, and
• a sintering process, wherein the lithium composite oxide is generated by sintering said intermediate in a state where said second material compound has adhered to said surface by said lithium source compound addition process,
• wherein said intermediate generation process includes a shaping step, in which a forming material containing said first material compound is shaped in a predetermined form, and
• wherein said lithium source compound addition process is a process in which said second material compound is dispersed or dissolved in a solvent, and the solvent containing said second material compound is added to said intermediate.

A method for manufacturing a cathode active material containing a lithium composite oxide for a lithium secondary battery, comprising:

• an intermediate generation process, wherein an intermediate which is a powder or a shaped object containing a first material compound which is a compound of a transition metal other than lithium, which constitutes said lithium composite oxide, is generated,
• a lithium source compound addition process, wherein a second material compound which is a lithium compound is added so that the second material compound in the shape of a film adheres to a surface of said intermediate generated by said intermediate generation process, and
• a sintering process, wherein the lithium composite oxide is generated by sintering said intermediate in a state where said second material compound has adhered to said surface by said lithium source compound addition process,
• wherein said intermediate generation process includes a granulation process, wherein a granulated object of said first material compound is formed,
• wherein said intermediate generation process includes a shaping step, wherein said granulated objects are shaped in a predetermined form, and
• wherein said lithium source compound addition process is a process in which said second material compound is dispersed or dissolved in a solvent, and the solvent containing said second material compound is added to said intermediate.