Electrode active material for nonaqueous secondary batteries, and nonaqueous secondary battery using same
US10991945B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 24, 2017 |
| Grant date | Apr 27, 2021 |
| Priority date | — |
| Expiry date | Jun 6, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electrode active material for non-aqueous secondary batteries containing a compound represented by formula (1) is a material that is less likely to dissolve in an electrolyte during charge and discharge, and that exhibits an excellent discharge capacity and excellent charge-and-discharge cycle characteristics: the compound represented by formula (1) wherein Y1 and Y2 are identical or different and represent an oxygen atom, a sulfur atom, or a selenium atom, R1 to R8 are identical or different and represent an oxygen atom or a group represented by —OLi, R9 to R12 are identical or different and represent a hydrogen atom or an organic group, and bonds that are each represented by a solid line and a dashed line indicate a single bond or a double bond.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.