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Lithium sulfide

| NFPA-H = 3 | NFPA-F = 1 | NFPA-R = 1 | NFPA-S = Lithium selenide Lithium telluride Lithium polonide Potassium sulfide Rubidium sulfide Caesium sulfide Lithium sulfide is the inorganic compound with the formula Li2S. It crystallizes in the antifluorite motif, described as the salt (Li+)2S2−. It forms a solid yellow-white deliquescent powder. In air, it easily hydrolyses to release foul smelling hydrogen sulfide gas.

Preparation

Lithium sulfide is prepared by treating lithium with sulfur. This reaction is conveniently conducted in anhydrous ammonia.

:2 Li + S → Li2S

The THF-soluble triethylborane adduct of lithium sulfide can be generated using superhydride.

Reactions and applications

Lithium sulfide has been considered for use in lithium–sulfur batteries.

References

References

  1. [https://pubchem.ncbi.nlm.nih.gov/#tab/sidsrcname=ChemIDplus&query=12136-58-2&input_type=text nih.gov]
  2. Greenwood, N. N.; & Earnshaw, A. (1997). Chemistry of the Elements (2nd Edn.), Oxford:Butterworth-Heinemann. {{ISBN. 0-7506-3365-4.
  3. Rankin, D. W. H.. (1974). "Digermanyl Sulfide".
  4. (1979). "New Methodology for the Introduction of Sulfur into Organic Molecules. Synthesis of Anhydrous Dilithium Dulfide, Dilithium Disulfide and Lithium Thiolates by Lithium Triethylborohydride Reduction of Elemental Sulfur and Disulfides". Tetrahedron.
  5. (12 July 2005). "Battery claims greater capacity than lithium ion". Electronics Weekly.
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lithium-salts sulfides fluorite-crystal-structure
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