| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an aqueous electrolyte for a lithium secondary battery, capable of further enhancing rate characteristics of the lithium secondary battery under a low temperature environment. <P>SOLUTION: A nonaqueous solvent, at least one kind of electrolyte lithium salt other than difluorophosphate lithium and tetrafluorophosphate lithium, difluorophosphate, and tetrafluoroborate lithium are contained in the nonaqueous electrolyte composing the lithium secondary battery together with a positive electrode and a negative electrode. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
