Rechargeable battery cell
US12218349B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 29, 2021 |
| Grant date | Feb 4, 2025 |
| Priority date | — |
| Expiry date | Aug 2, 2043 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A rechargeable battery cell has an electrolyte comprising a conducting salt. The electrolyte is based on SO2 and the positive electrode comprises an active material of the composition AxM′yM″z(XO4-mSn), wherein A is an alkali metal, an alkaline earth metal, a metal of group 12 of the periodic table or aluminum, preferably sodium, calcium, zinc, particularly preferably lithium. M′ is at least one metal selected from a group consisting of titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper and zinc. M″ is at least one metal selected from a group consisting of the metals of groups 2, 3, 4, 5, 6, 10, 11, 12, 13, 14, 15 and 16 of the periodic table. X is phosphorus or silicon. x is greater than 0. y is greater than 0. z is greater than or equal to 0. n is greater than 0 and m is less than or equal to n.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.