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What exactly is Tin disulfide?
Tin disulfide - an inorganic compound with a chemical formula of SnS2. It is an yellow hexagonal flake that has the CdI2 Crystal structure. It is hardly soluble in the water but is soluble in aqua regia and hot alkaline solution, and additionally, it is soluble in sodium sulfur Solution, commonly used as gold paint.
Tin disulfide dissolves in the hot alkali solution. It can undergo coordination reaction when combined with concentrated hydrochloric acid, but it's not soluble in dilute acids, insoluble in water, and Nitric acid. It also reacts by combining ammonium with sulfide in order to dissolve.
How do you make tin disulfide?
Tin disulfide can be made via direct fusion of tin and sulfur with the iodine. The reaction involves the heating process:
Sn + 2 S -- SnS2
Another approach is to inject hydrogen sulfide through the solution of either tin (IV) salt solution or the tin (IV) salt solution and the precipitate.
Electrochemical behavior of multi-walled carbon nanotubes held in by tin disulfide. It is the negative electrodes in lithium ion battery
The direct current arc-plasma method was used to create multi-walled carbon nanotube-confined metal tin Nanostructures (Sn@MWCNT) as the precursor under a methane atmosphere. Then, SnS_2@MWCNT were made by an sulfurization process. The physical properties of the material , such as Raman, X-ray diffraction (XRD) and the transmission electron microscope (TEM) revealed that the length of the multi-walled carbon nanotubes were about 400nm. Additionally, the surfaces of the carbon layer were well crystallized, while the size of the carbon layer was 10 nanometers. Lithium-ion cells using Sn S2@MWCNT nanostructures as anode materials exhibit a decent electrochemical performance. The first charged-discharge Coulomb efficiency is 71%, with 50 cycles, it remains at 703 mAh?g-1. The superior capacity characteristics of SnS_2@MWCNT nanostructured electrodes result from the fact that various types of active materials have the capacity , as well as the reaction platform for each material is different.
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 produced using an easy solvothermal process. It has excellent electrochemical characteristics after being connected to the negative electrode of lithium Ion battery. At a high current density of 1 A/g after 100 cycles still maintains a variable specific capacity of 510 mg/g. We used the same technique to make a single SnS2 material and conducted experiments on its electrochemistry. The results show that even though the initial specific power of SnS2 material is relatively impressive, the cycle performance is poor, and it goes through a rapid decline after less than 20 cycles. The superior performances of this compound in lithium-ion batteries are believed to be the result of an interaction between the two constituents in SnS2 as well as SWCNTs.
Tin disulfide Supplier
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