Lithium secondary battery
US10411302B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 14, 2016 |
| Grant date | Sep 10, 2019 |
| Priority date | — |
| Expiry date | Dec 25, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/70
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lithium secondary battery includes: a negative electrode, a positive electrode, and an electrolyte disposed between the negative electrode and the positive electrode, wherein the negative electrode includes a silicon composite including silicon, a silicon oxide of the formula SiOx wherein 0<x<2 and disposed on the silicon, and a graphene disposed on the silicon oxide; or a carbonaceous composite including the silicon composite and a carbonaceous material, which is different from the graphene, and wherein at least one of the negative electrode and the electrolyte includes an ionic liquid containing a fluorosulfonyl imide anion, and a lithium salt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.