发明名称 LITHIUM SECONDARY BATTERY
摘要 <P>PROBLEM TO BE SOLVED: To provide a lithium secondary battery with the improved balance of a discharge capacity, load characteristics, and safety. <P>SOLUTION: This lithium secondary battery with a positive electrode contains manganese containing lithium-nickel compound oxide particles 2 and lithium-cobalt compound oxide particles 1. The weight of the manganese containing lithium-nickel compound oxide particles 2 is less than 50 wt% of the total weight of the manganese containing lithium-nickel compound oxide particles 2 and the lithium-cobalt compound oxide particles 1, and the average particle size of the manganese containing lithium-nickel compound oxide particles 2 is made 1/2 or smaller than the average particle size of the lithium-cobalt compound oxide particles 1. <P>COPYRIGHT: (C)2005,JPO&NCIPI
申请公布号 JP2005019149(A) 申请公布日期 2005.01.20
申请号 JP20030181330 申请日期 2003.06.25
申请人 HITACHI MAXELL LTD 发明人 AKAHA NAOTO;WADA SHUICHI;TOSHIRO HIROYUKI
分类号 H01M10/05;H01M4/02;H01M4/36;H01M4/505;H01M4/525 主分类号 H01M10/05
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