Description:Lithium sulfide (Li2S) is an inorganic compound characterized by its formation from lithium and sulfur. It appears as a white to yellowish solid and is known for its ionic bonding, where lithium ions (Li⁺) and sulfide ions (S²⁻) combine in a 2:1 ratio. This compound is highly soluble in water, leading to the release of lithium ions and sulfide ions in solution. Lithium sulfide is primarily used in the production of lithium-ion batteries, where it serves as a cathode material due to its high electrochemical potential. Additionally, it has applications in the synthesis of other lithium compounds and in various chemical reactions as a reducing agent. The compound is relatively stable under normal conditions but can react with moisture, releasing hydrogen sulfide gas, which is toxic. Safety precautions should be taken when handling Li2S, as it can pose health risks if inhaled or ingested. Overall, lithium sulfide is significant in both industrial applications and research within the field of materials science.
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