Nonaqueous electrolyte solution and nonaqueous electrolyte battery using same

The invention discloses a nonaqueous electrolyte solution and a nonaqueous electrolyte battery using same. The objective of the present invention is to provide: a nonaqueous electrolyte solution which is capable of providing a battery that has good balance among all properties including durability,...

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Hauptverfasser: AOSHIMA TAKAYUKI, KOTATO MINORU, NAKAMURA TAKESHI, NAKAZAWA EIJI, MITSUI TAKAMICHI, OOHASHI YOICHI
Format: Patent
Sprache:eng
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Zusammenfassung:The invention discloses a nonaqueous electrolyte solution and a nonaqueous electrolyte battery using same. The objective of the present invention is to provide: a nonaqueous electrolyte solution which is capable of providing a battery that has good balance among all properties including durability, capacity, resistance and output characteristics; and a nonaqueous electrolyte secondary battery which uses this nonaqueous electrolyte solution. The nonaqueous electrolyte solution for a nonaqueous electrolyte battery which is provided with a positive electrode and a negative electrode that are capable of absorbing and desorbing metal ions. This nonaqueous electrolyte solution contains, together with an electrolyte and a nonaqueous solvent, (1) a compound represented by general formula (B) or the like, or (2) a cyclic carbonate compound containing 0.01-50.0% by mass of fluorine atoms relative to the total mass of the nonaqueous electrolyte solution, in addition to a compound containing a structure represented by general formula (A). (In general formula (A), each of R1-R3 independently represents an organic group.) (In general formula (B), each of R4, R5 and R6 independently represents an alkyl group, alkenyl group or alkynyl group having 1-12 carbon atoms, which may be substituted by a halogen atom; and n represents an integer of 0-6.)