Method for purifying lithium sulfide
US8084160B2 · kind B2 · utility
2Cited by
3References
14Claims
0Family size
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Key dates
| Filing date | Oct 15, 2004 |
| Grant date | Dec 27, 2011 |
| Priority date | — |
| Expiry date | Jan 6, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method of purifying lithium sulfide wherein lithium sulfide obtained by reacting lithium hydroxide with hydrogen sulfide in an aprotic organic solvent is washed with an organic solvent at a temperature of 100° C. or higher. Impurities contained in lithium sulfide can be reduced by the method of purification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.