| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a manufacturing method of a positive electrode active material for a lithium battery for optimizing the shape, crystallinity and a particle diameter of the positive electrode active material for a lithium battery; to provide a positive electrode active material for a lithium battery, and also to provide a lithium battery. <P>SOLUTION: This manufacturing method of a positive electrode active material for a lithium battery is characterized in that an Li component, a P component, an A component and a D component used for materials of Li<SB>x</SB>A<SB>y</SB>D<SB>z</SB>PO<SB>4</SB>(where A is one kind selected from Co, Ni, Mn, Fe, Cu and Cr; D is one or more kinds selected from Mg, Ca, Fe, Ni, Co, Mn, Zn, Ge, Cu, Cr, Ti, Sr, Ba, Sc, Y, Al, Ga, In, Si, B and rare-earth elements and is different from A; 0<x<2; 0<y<1.5; and 0≤z<1.5) are added to a solvent containing water as a main component to prepare a solution at a temperature (1), then the solution is kept at a temperature (2) different from the temperature (1), and then the crystalline nucleus is grown at a temperature (3). <P>COPYRIGHT: (C)2007,JPO&INPIT |
