| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a nonaqueous secondary battery excellent in high-temperature cycle characteristics and suppressed in increase of self-discharge after repetition of high-temperature charge and discharge cycle. <P>SOLUTION: A positive electrode mixture layer contains a silane coupling agent and at least one kind of a coupling agent 0.003-5 mass% to a mass of the positive electrode active material, and a non-aqueous electrolyte contains a DOX derivative as expressed in a general formula (II) by 0.05 mass% or more to the total mass of the non-aqueous electrolyte. <P>COPYRIGHT: (C)2011,JPO&INPIT |
