Lithium sulfide is a white crystalline powder widely used as a key lithium source in solid-state batteries, lithium-sulfur batteries, and advanced energy storage materials. Known for its high lithium content and strong ionic conductivity, Li₂S plays a crucial role in enabling high-capacity, long-life battery cathodes and solid electrolytes.
Our Li₂S powder is produced with typical purity ≥99.9%, guaranteeing minimal impurities and excellent batch-to-batch consistency. We also offer comprehensive after-sales support—please feel free to contact us if you have any questions.
Purity: ≥99.9% (3N)
Moisture-sensitive, handled under inert atmosphere
Controlled Particle Size
Moisture-Proof Packaging: Sealed under inert atmosphere
Technical Support
Solid-State Batteries: Core lithium sulfide component in sulfide-based solid electrolytes and cathode materials for Li-S and all-solid-state batteries.
Energy Storage Materials: Used in synthesis of lithium-sulfur battery cathodes and composite electrodes.
Chemical Synthesis: Precursor for lithium-sulfur compounds and advanced sulfur-containing materials.
Q1: In which research areas is Lithium Sulfide Powder primarily used?
A1: This powder is mainly used in the research and development of lithium-sulfur systems, novel energy materials, and related sulfide functional materials.
Q2: What role does Lithium Sulfide Powder typically play in material systems?
A2: This material is often used as a reaction precursor or functional component to construct sulfide systems and study their structural and performance characteristics.
Q3: What preparation or experimental processes is this lithium sulfide powder suitable for?
A3: Lithium Sulfide Powder can be used in solid-state reactions, material synthesis experiments, and the preliminary preparation processes of composite materials or functional materials.
Q4: What precautions should be taken when using and storing Lithium Sulfide Powder?
A4: It is recommended to operate and store it under dry, sealed conditions, avoiding prolonged contact with air or moisture to maintain the stability of the material during experiments.
Each batch of Li₂S powder is supplied with a Certificate of Analysis (COA) and Material Safety Data Sheet (MSDS). Third-party elemental purity and phase composition analysis can be provided on request.
Molecular Formula: Li₂S
Molecular Weight: 45.95 g/mol
Appearance: Yellow to light gray powder (extremely hygroscopic)
Density: 1.66 g/cm³
Crystal Structure: Cubic
Signal Word:
Danger
Hazard Statements:
H228 Flammable solid
H261 In contact with water, releases flammable gas
H301: Toxic if swallowed
H315 Causes skin irritation
H318 Causes serious eye damage
H335 May cause respiratory irritation
Inner Packaging: Double-layer sealed plastic bags or aluminum foil bags for moisture and leakage protection.
Outer Packaging: Iron drum or fiber drum, depending on the weight, with reinforced sealed lid.
Hazard Packaging: UN-certified packaging compliant with regulations for hazardous materials transportation.
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