Battery deactivation
US12021202B2 · kind B2 · utility
0Cited by
20References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 11, 2020 |
| Grant date | Jun 25, 2024 |
| Priority date | — |
| Expiry date | Mar 21, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/84
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Examples are disclosed of methods to deactivate a lithium-containing battery. One example provides a method for discharging a lithium-containing battery, the method comprising adding the lithium-containing battery to a vessel, adding an oxidizing fluid to the vessel, adding carbon dioxide to the vessel, pressurizing the vessel, heating the vessel to form lithium carbonate within the lithium-containing battery, reducing heat and pressure in the vessel, and removing the battery from the vessel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.