| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a manufacturing method of a compound cathode active substance having excellent characteristics. <P>SOLUTION: The manufacturing method of a composite cathode active substance for a nonaqueous electrolyte secondary battery includes a process in which a cathode active substance composed of a lithium transition metallic composite oxide such as lithium cobaltate, lithium manganate, lithium nickelate or the like is mixed with a surface treatment compound such as a metallic compound of one or two kinds selected from metallic elements of a first transition element or a second transition element, and is surface-treated by an equipment provided with a high speed shearing operation. <P>COPYRIGHT: (C)2009,JPO&INPIT |
