| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte battery having high cycle characteristics and high storage characteristics at high temperature and showing high reliability even in battery constitution providing high capacity. <P>SOLUTION: In the nonaqueous electrolyte battery equipped with an electrode body comprising a positive electrode having a positive active material layer containing a positive active material, a negative electrode, a separator interposed between both electrodes, and an electrolyte comprising a solvent and a lithium salt, which is impregnated into the electrode body, at least cobalt or manganese is contained in the positive active material, the positive electrode is charged to 4.40 V of more vs. a lithium electrode, an inorganic particle layer containing inorganic particles and a binder is formed between the positive electrode and the separator, and LiBF<SB>4</SB>is included in the lithium salt. <P>COPYRIGHT: (C)2008,JPO&INPIT |
