Lithium Sulfide Li2S Powder CAS 12136-58-2

About Lithium Sulfide Li2S Powder:
Lithium sulfide formula is Li2S, molecular weight is 45.95. White to yellow crystals. It has an anti-fluorite structure. The specific gravity is 1.66 (water = 1), the melting point is 938°C, and the boiling point is 1372°C.
What happens when sulfur reacts with lithium?
It forms a solid yellow-white powder. Easily soluble in water, cocoa can be used as a potential electrolyte material in rechargeable lithium-ion batteries.

What type of bond is lithium sulfide?
Ionic bond. Lithium sulfide is an inorganic compound that crystallizes and forms a powder.
Is Li2S a strong electrolyte?
It Is a strong electrolyte because it is a soluble salt. It is a nonelectrolyte because it is a molecular compound.
Lithium sulphide or Dilithium sulfide is an inorganic compound with the molecular formula Li2S. It crystallizes in the anti-fluorite pattern and is called salt (Li +) 2S2-. It forms a solid yellow-white deliquescent powder.

Is Li2S a strong electrolyte?
It Is A Strong Electrolyte Because It Is A Soluble Salt. It Is A Nonelectrolyte Because It Is A Molecular Compound. In the air, it is easy to release hydrogen sulfide (Rotten egg smell). Lithium Sulfide is a moderately water and acid soluble Lithium source for uses compatible with sulfates. Sulfate compounds are salts or esters of sulfuric acid formed by replacing one or both of the hydrogens with a metal.

Is Li2S covalent or ionic?
This short flash animation looks at how the ionic bond forms in Lithium Sulfide Li2S.
It can be liberated by acid to liberate hydrogen sulfide; it can react with a nitric acid solution, but hydrobromic acid and hydroiodic acid can only be oxidized by oxygen when heated to about 300°C in the air, but no sulfur dioxide is generated. Is to generate lithium sulfate.
Lithium sulfide is usually slightly harmful to water bodies. Do not expose unreplaced or large amounts of products to the ground, waterways or sewage systems, and think that the government allows not to discharge materials into the surrounding environment.

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Product Name: Lithium Sulfide
Lithium Sulfide molecular weight: 45.95
Lithium Sulfide CAS NO.: 12136-58-2
Lithium Sulfide EINECS: 235-228-1
Lithium Sulfide melting point: 938℃
Lithium Sulfide boiling point: 1372℃
Lithium Sulfide Storage:
Free from heat and kept in ventilated and dry place.
Lithium Sulfide Uses:
It can be used as a potential electrolyte material in rechargeable lithium-ion batteries.

How is Lithium Sulfide Li2S Powder produced?
There are few synthetic methods for lithium sulfide, and the most common synthetic methods are mainly as follows:
In the first method, the sulfur powder is put into a tetrahydrofuran solution containing lithium triethylborohydride, and after a full reaction, the solid powder is separated from the liquid to obtain lithium sulfide;
In the second method, sulfur powder and metal lithium powder are added to an organic solvent, and after sufficient reaction, the solid powder is separated from the liquid to obtain lithium sulfide (Tao Shengdong, a method for preparing lithium sulfide). Both of the above two types of methods require the use of toxic and harmful solvents, which have low efficiency and high cost, and are difficult to achieve industrial production.
In addition, using lithium sulfate and coke as raw materials, lithium sulfide can also be obtained by the high-temperature calcination method at 800-900°C.
Lithium sulfide is prepared by treating lithium with sulfur. This reaction is conveniently conducted in anhydrous ammonia.
2 Li + S → Li2S
The THF-soluble triethyl borane adduct of lithium sulfide can be generated using super hydride.

Applications of Lithium Sulfide Li2S Powder:
Lithium sulfide (Li2S) is a product specially designed for use in high-performance batteries which can be either applied as an electrode material or as a precursor for solid electrolytes. What is lithium sulfide used for? Lithium sulfide (Li2S) is a product specially designed for use in high-performance batteries which can be either applied as an electrode material or as a precursor for solid electrolytes. It as an electrode material not only has high capacity but also overcomes many problems caused by pure sulfur electrodes.
It as an electrode material not only has high capacity but also overcomes many problems caused by pure sulfur electrodes.
Lithium sulfide is an anti fluorite semiconductor (bandgap 3.865eV). It exists in orthorhombic and cubic structures. The densities of the orthorhombic and cubic structures are 1.75g/cm3 and 1.63g/cm3 respectively.
Lithium sulfide has been studied as an MgB2- like a superconductor. It is also used as a cathode material in rechargeable lithium-sulfur batteries.

Storage Condition of Lithium Sulfide Li2S Powder:
The damp reunion will affect Li2S powder dispersion performance and using effects, therefore, Lithium Sulfide Li2S Powder should be sealed in vacuum packing and stored in a cool and dry room, the Lithium Sulfide Li2S Powder can not be exposure to air. In addition, the Li2S powder should be avoided under stress.

Packing & Shipping of Lithium Sulfide Li2S Powder:
We have many different kinds of packing which depend on the Lithium Sulfide Li2S Powder quantity.
Lithium Sulfide Li2S Powder packing:vacuum packing, 100g, 500g or 1kg/bag, 25kg/barrel, or as your request.
Lithium Sulfide Li2S Powder shipping: could be shipped out by sea, by air, by express as soon as possible once payment receipt.
 

Packing & Shipping of Lithium Sulfide Li2S Powder

FAQs of Lithium Sulfide Li₂S Powder：
Q: What is lithium sulfide used for?
A: Lithium sulfide (Li₂S) powders have a variety of applications across multiple industries. They are particularly important in the development of advanced battery technologies, where Li₂S serves as a key component in solid-state batteries, offering higher energy density and improved safety compared to traditional lithium-ion batteries. In the field of electronics, Li₂S can be used as a dopant or precursor for semiconductors and optoelectronic devices, enhancing their performance. Additionally, lithium sulfide is utilized in glass and ceramic manufacturing, contributing to the formation of unique optical properties and coloration effects. The powder also finds use in chemical synthesis as a reducing agent or sulfur source for producing other compounds.

Q: Is lithium sulfide safe for human exposure?
A: Handling lithium sulfide requires careful attention to safety protocols. Exposure to Li₂S can pose risks to health, especially if fine particles become airborne and are inhaled. This may cause irritation to the respiratory system, eyes, and skin. It's essential to wear appropriate personal protective equipment (PPE), including gloves, safety goggles, and a respirator when handling this material. Proper ventilation should be maintained to minimize inhalation risks. Adhering to manufacturer guidelines and occupational safety standards is crucial for ensuring worker safety. For detailed information on potential health impacts and safe handling practices, always refer to the Safety Data Sheet (SDS) provided by the supplier.

Q: What is the formula and structure of lithium sulfide?
A: Lithium sulfide has the chemical formula Li₂S, indicating it consists of two lithium atoms (Li) and one sulfur atom (S). This compound crystallizes in a cubic structure known as the antifluorite structure, characterized by sulfur ions forming a face-centered cubic lattice with lithium ions occupying the tetrahedral interstices. The arrangement of atoms within this crystal lattice contributes to the material's electrical and thermal properties, making it suitable for various applications that require high ionic conductivity and stability under certain conditions. The structure is critical for its role in solid electrolytes within solid-state batteries, enabling efficient ion transport.

Q: Can lithium sulfide be incorporated into composite materials?
A: Yes, lithium sulfide can be integrated into composite materials to enhance specific properties such as ionic conductivity, mechanical strength, and thermal stability. Composites containing Li₂S benefit from these attributes while providing design flexibility and functionality improvements. For example, incorporating Li₂S into solid electrolyte composites can lead to materials with enhanced performance in energy storage devices like batteries. When used as a filler in ceramics or glasses, lithium sulfide can improve the overall material properties, such as increasing the refractive index or adjusting the coefficient of thermal expansion. Moreover, the ability of Li₂S to act as an efficient sulfur source can be leveraged in developing new materials for catalysis and chemical synthesis. The versatility of lithium sulfide makes it a valuable component in the development of innovative materials across various industries, from energy technology to electronics.

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