System and method for removing an electrolyte from an energy storage and/or conversion device using a supercritical fluid
US7858216B2 · kind B2 · utility
9Cited by
3References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 29, 2007 |
| Grant date | Dec 28, 2010 |
| Priority date | — |
| Expiry date | May 30, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49108
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method of recycling a lithium-containing energy storage device including an electrolyte is provided. The method includes placing the storage device in an extraction vessel, sealing the extraction vessel, adding a fluid containing CO2 as a primary component to the extraction vessel under such conditions that the CO2 is in a supercritical phase, dissolving the electrolyte in the fluid, transferring the fluid to a recovery vessel and recovering the electrolyte from the fluid in the recovery vessel. Methods of refurbishing lithium-containing energy storage and conversion devices are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.