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Lithium Sulfide

Lithium sulfide is a chemical compound composed of lithium and sulfur, often used in batteries and as a precursor for other lithium compounds.

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SKU : Lithium Sulfide
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What Is Lithium Sulfide :

Lithium sulfide (Li2S) is an inorganic compound consisting of lithium cations (Li+) and sulfide anions (S2-). It is a white to pale yellow solid with a molecular weight of 45.94 g/mol. Lithium sulfide is commonly used in the production of lithium-ion batteries, where it serves as a cathode material due to its high electrical conductivity and low weight.

It can also be utilized in the synthesis of other lithium compounds and as a component in solid-state electrolytes for batteries. However, lithium sulfide is highly reactive and must be handled with care, as it can react vigorously with water to produce toxic hydrogen sulfide gas. Additionally, exposure to moisture or air can cause it to degrade, forming lithium hydroxide and lithium carbonate. Despite these challenges, lithium sulfide continues to be an important material in the advancement of battery technology and energy storage systems.

Chemical Properties:

  • Formula: Li₂S
  • Appearance: White to yellow powder
  • Solubility: Very soluble in water (reacts to form LiOH and H₂S)
  • Melting point: 938°C
  • Boiling point: 1,372°C

Medical Uses:

  • Lithium sulfide does not have any approved medical uses. Its safety profile and potential toxicity preclude its use in medical applications.

  • I hope this comprehensive description clarifies the properties and industrial uses of lithium sulfide while emphasizing its lack of medical applications.

Industrial Uses:

  • Precursor for other lithium compounds (e.g., lithium thioacetate, battery electrolytes)
  • Potential cathode material in next-generation lithium-sulfur batteries (due to high theoretical capacity)


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