Process for producing high purity lithium sulfide
US4126666A · kind A · utility
8Cited by
4References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 25, 1978 |
| Grant date | Nov 21, 1978 |
| Priority date | — |
| Expiry date | Jan 25, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/80
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Lithium sulfide in the form of a finely divided, free-flowing powder of high purity is produced by reacting lithium carbonate powder in which the diameter of the particles is in the range of 1 to 10 microns with hydrogen sulfide at 500.degree. to 700.degree. C. Initial contact of the lithium carbonate with hydrogen sulfide takes place at a temperature substantially below the sintering temperature of lithium carbonate which is approximately 300.degree. to 400.degree. C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.