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What's Tin disulfide?
Tin disulfide (also known as Tin) is an inorganic compound that has a chemical formula of SnS2. It is an yellow hexagonal flake that has it's CdI2 crystal structure. It's not so soluble with the water but is water-soluble in aqua regia. It is also soluble in hot alkaline solution, and also soluble in sodium sulfide Solution, commonly used for gold paint.
Tin disulfide will dissolve in aqua regia as well as hot alkali solution. It may undergo co-reaction with concentrated acid, but it's unsoluble when dilute in hydrochloric acids that is insoluble with water and in nitric acid. It is also able to react with ammonium Sulfide to dissolve.
How do you prepare the tin disulfide?
Tin disulfide is produced via direct fusion of tin and sulfur with the iodine. The reaction involves heat:
2. S --- SnS2
Another option is to introduce hydrogen sulfide through the solution of either tin (IV) salt or tin (IV) salt solution, and then form a precipitate.
Electrochemical behavior of multi-walled carbon nanotubes that are confined using tin disulfide to form the negative electrodes of lithium-ion battery
The direct current arc plasma technique was used to create multi-walled carbon carbon nanotube confined metal tin Nanostructures (Sn@MWCNT) as a precursor in a methane environment, and later SnS_2@MWCNT structures were made through their sulfurization reactions. The physical properties of the material like Raman, X-ray Diffraction (XRD) and the transmission electron microscope (TEM) proved that the size of multi-walled carbon Nanotubes was approximately 400nm, the Carbon layer on the surface had been crystallized, The thickness of the carbon was 10 nanometers. Lithium-ion batteries made of Sn S2@MWCNT nanostructures for anodes material have shown relatively good electrochemical performance. The first charge-discharge Coulomb rate is 71%, in the course of 50 cycle the capacity is still at 703 mAh?g-1. The superior capacity characteristics of SnS_2@MWCNT nanostructured electrodes stem from the fact that a range of active materials have the capacity to work together, and also the catalyst for each of them is unique to each material.
Study on electrochemical performance of tin disulfide/single-walled carbon nanotube composite material used as anode material for lithium-ion battery
A new composite substance made of SnS2 with single-walled carbon Nanotubes (SWCNTs) was developed using simple solvothermal methods. It is found to have an excellent electrochemical performance when connected to the negative electrode of the lithium Ion batteries. At a higher current density at 1 A/g, and after 100 times, the battery still maintains a variable specific capacity of approximately 510 milliamps per gram. As a comparison, we used the same technique to make a single SnS2 material, and conduct the electrochemical test on it. Results indicate that although the initial capability of SnS2 material is rather impressive, the cycle performance is not as good, and it decreases rapidly after less than 20 cycles. The higher performance of this composite material in lithium-ion batteries is thought to be due to the synergy between the two components comprising SnS2 as well as SWCNTs.
Tin disulfide Supplier
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