Method for producing a lithium cobaltate oriented sintered plate

A method of manufacturing a lithium cobaltate oriented sintered plate, (a) Co According to the method of the present invention, the grain boundary can be significantly reduced interposed in the thickness direction, and capable of realizing the improvement of the battery performance (especially rate characteristics) when used in a lithium secondary battery as a positive electrode active material it is possible to produce lithium cobaltate oriented sintered plate.