Method for drying and purifying lithium bis(fluorosulfonyl)imide salt
US11316200B2 · kind B2 · utility
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5Claims
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Key dates
| Filing date | Dec 7, 2017 |
| Grant date | Apr 26, 2022 |
| Priority date | — |
| Expiry date | Apr 15, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/133
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method for drying and purifying a lithium bis(fluorosulfonyl)imide salt. Also, a method for producing a lithium bis(fluorosulfonyl)imide salt which is then dried and purified by the method. Further, a composition containing lithium bis(fluorosulfonyl)imide salt having a water content by mass of between 5 and 45 ppm. And, the use of the composition C in Li-ion batteries.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.