Non-aqueous electrolyte for secondary battery and non-aqueous electrolyte secondary battery
US8097368B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jul 22, 2009 |
| Grant date | Jan 17, 2012 |
| Priority date | — |
| Expiry date | Oct 2, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention provides a non-aqueous electrolyte secondary battery comprising a positive electrode, a negative electrode, a separator, and a non-aqueous electrolyte, wherein the non-aqueous electrolyte comprises a non-aqueous solvent and lithium salt as an electrolyte, and wherein the non-aqueous solvent contains chain fluorinated carboxylic acid ester represented by the formula CH3COOCH2CH3-xFx (wherein x is 2 or 3) and a film forming chemical decomposed in the range of +1.0 to 3.0 V based on an equilibrium potential between metal lithium and lithium ion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.