| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a high capacity positive electrode active material which is excellent in charge and discharge cycle characteristics, and also excellent in safety, and also to provide a nonaqueous electrolyte secondary battery. <P>SOLUTION: A positive electrode active material layer 21B includes the positive electrode active material. The positive electrode active material is provided with: lithium transition metal composite oxide particles; bonding particles including and a lithium phosphate compound particle having an olivine crystal structure which is bonded to a part of the surface of the lithium transition metal composite oxide particle in a non-solid solution state. <P>COPYRIGHT: (C)2011,JPO&INPIT |
