Metal-air cells with minimal air access
US11848435B2 · kind B2 · utility
0Cited by
6References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 4, 2023 |
| Grant date | Dec 19, 2023 |
| Priority date | — |
| Expiry date | Jan 4, 2043 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A battery includes an air cathode, an anode, an aqueous electrolyte, and a housing, wherein the housing includes one or more air access ports defining a total vent area; the battery exhibits a cell limiting current at 1.15V; a ratio of cell limiting current at 1.15 V to total vent area is greater than about 100 mA/mm2; and the aqueous electrolyte includes an amphoteric fluorosurfactant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.