Molybdenum Sulfide

Molybdenum Sulfide Powder is a black powder with a Chevrel phase structure, has a certain degree of electrical conductivity, is chemically stable and can be prepared by high-temperature solid-phase reaction, etc., and has important applications in magnesium batteries and other fields.

Characteristics

Chemical formula: Mo6S8

Structure: Mo₆S₈ has a Chevrel phase structure, consisting of Mo₆ metal clusters and S atoms, which gives it unique physical and chemical properties.

Physical Properties: Usually a black powder, with a certain degree of electrical conductivity, its crystal structure is stable, and it is not easy to decompose at room temperature and pressure.

Chemical Properties: Under certain conditions, Mo and S atoms in Molybdenum Sulfide can react with other substances, for example, during the battery charging and discharging process, Molybdenum Sulfide can be reversibly embedded in and detached from magnesium ions.

Applications

Batteries

Magnesium batteries: Mo₆S₈ has a suitable magnesium embedding potential and high theoretical specific capacity, and its unique Chevrel phase structure can provide a good channel for the embedding and dislodging of magnesium ions to accelerate the diffusion kinetics of ions, thus improving the charging/discharging efficiency and cycling stability of the battery, and it is a very promising anode material for magnesium batteries. It is a promising anode material for magnesium batteries.

Lithium-sulfur batteries: It can be used as an anode additive or catalyst for lithium-sulfur batteries, which can help to improve the cycling performance and multiplication performance of the batteries. Mo₆S₈ can adsorb lithium polysulfide and inhibit the shuttle effect of lithium polysulfide, thus improving the Coulombic efficiency and cycle life of the batteries.

Catalytic field

Electrocatalysis: In the electrocatalytic nitrogen reduction reaction, Fe₂Mo₆S₈ based on the Chevrel phase shows good catalytic activity, and its unique structure can provide synergistic multi-sites for the activation and conjugation of key reactive intermediates, thus converting nitrogen to ammonia, which is potentially valuable for sustainable ammonia synthesis.

Superconductivity: Molybdenum Sulfide has superconducting properties, which have attracted attention in the research and application of superconducting materials. The Chevrel phase structure of Mo₆S₈ has a special electronic interaction between molybdenum and sulfur atoms, which causes the material to exhibit superconductivity at low temperatures, and it can be used to fabricate superconducting devices such as superconducting magnets and superconducting cables.

Thermoelectric field:Because Mo₆S₈ has a special crystal structure and electronic structure, it also has some application prospects in the field of thermoelectric materials. Thermoelectric materials can realize the direct conversion between heat and electricity, and Mo₆S₈-based thermoelectric materials are expected to be used in the preparation of high-performance thermoelectric conversion devices, such as thermoelectric generators, thermoelectric coolers and so on.