Title:
NON-AQUEOUS ELECTROLYTE AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2018/003993
Kind Code:
A1
Abstract:
A non-aqueous electrolyte including: (I) at least one type selected from the group consisting of oxalate salt, difluorophosphate, an ionic complex having a cyclic structure, an imide anion-containing salt, a Si-containing compound, a sulfuric ester compound, an organophosphate compound, a cyclic carbonate compound, an isocyanate compound, a cyclic acetal compound, a cyclic acid anhydride, a cyclic phosphazene compound, and an aromatic compound; (II) a monomer indicated by general formula [1]; (III) a non-aqueous organic solvent; (IV) a solute; and (V) an additive for a non-aqueous electrolyte, being an oligomer having a repeating unit indicated by general formula [2] and having a number-average molecular weight in polystyrene terms of 170-5,000. The (V) content relative to a total content of 100% by mass of (I), (II), (III), (IV), and (V) is 0.03%-14.0% by mass. Formula [1]: [In formula [1], R indicates a hydrogen atom, halogen, or a lower alkyl group. R may be all the same or different and may join and form a cyclic structure.] Formula [2]: [In formula [2], the bracket contents indicate the repeating unit. R indicates a hydrogen atom, halogen, or a lower alkyl group. R may all be the same or different and may join and form a cyclic structure.]
Inventors:
ITABASHI SAORI (JP)
SUZUKI KATSUTOSHI (JP)
TAKEDA KAZUNARI (JP)
SUZUKI KATSUTOSHI (JP)
TAKEDA KAZUNARI (JP)
Application Number:
PCT/JP2017/024242
Publication Date:
January 04, 2018
Filing Date:
June 30, 2017
Export Citation:
Assignee:
CENTRAL GLASS CO LTD (JP)
International Classes:
H01M10/0567; H01M10/0525; H01M10/0568
Foreign References:
| JPH1167273A | 1999-03-09 | |||
| JPH09270271A | 1997-10-14 |
Attorney, Agent or Firm:
KOBAYASHI, Hiromichi et al. (JP)
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