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Nonaqueous Electrolytic Solution and Nonaqueous Electrolytic Solution Secondary Battery

  • US 20190312307A1
  • Filed: 07/04/2017
  • Published: 10/10/2019
  • Est. Priority Date: 07/06/2016
  • Status: Active Grant
First Claim
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1. A nonaqueous electrolytic solution for nonaqueous electrolytic solution secondary batteries, the nonaqueous electrolytic solution comprising:

  • a nonaqueous solvent,an electrolyte dissolved in the nonaqueous solvent,(I) a difluoro ionic complex (1) represented by the general formula (1), and(II) at least one compound selected from the group consisting of a cyclic phosphazene compound represented by the general formula (II-1) below, a siloxane compound represented by the general formula (II-2) below, an aromatic compound represented by the general formula (II-3) below, a cyclohexene compound represented by the general formula (II-4) below, a phosphoric acid ester compound represented by the general formula (II-5) below, a fluorinated linear ether compound represented by the general formula (II-6) below, a fluorinated cyclic ether compound represented by the general formula (II-7) below, and a boric acid ester compound represented by the general formula (II-8) below,wherein 95 mol % or more of the difluoro ionic complex (1) is a difluoro ionic complex (1-Cis) in a cis configuration represented by the general formula (1-Cis),

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