Lithium metal sulfides as lithium super-ionic conductors
US10854916B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Sep 26, 2018 |
| Grant date | Dec 1, 2020 |
| Priority date | — |
| Expiry date | Mar 9, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Solid-state lithium ion electrolytes of lithium metal sulfide based composites are provided which contain an anionic framework capable of conducting lithium ions. An activation energy of the lithium metal sulfide composites is from 0.2 to 0.45 eV and conductivities are from 10−4 to 3.0 mS/cm at 300K. Composites of specific formulae are provided and methods to alter the composite materials with inclusion of aliovalent ions shown. Lithium batteries containing the composite lithium ion electrolytes are also provided. Electrodes containing the lithium metal sulfide based composites and batteries with such electrodes are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.