Fluorinated ionic liquids with high oxygen solubility for metal-air batteries
US11121422B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Aug 16, 2016 |
| Grant date | Sep 14, 2021 |
| Priority date | — |
| Expiry date | Jan 25, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Ionic compounds containing an anion, and a cation having the following structural formula (1): R1R2R3N+-(linker1)-O-(linker2)-(FC) (1) wherein: R1 and R2 either linear or branched alkyl groups or together form a N-heterocylic ring with the nitrogen atom to which they are joined; R3 is linear or branched alkyl group; linker1 and linker2 are alkylene chains or polyether chains; and the group FC is a fluorinated alkyl group, as well as an electrolyte material comprising such an ionic compound and a metal salt, and metal-air batteries using such an electrolyte material. The invention also relates to a metal-air battery containing an electrolyte material, wherein the electrolyte material comprises at least one ionic compound and a metal salt, and wherein at least one ionic compound contains an anion CnF2n+1COO− or CnF2n+1SO3−, where in each case n is at least 1 and at most 10.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.