What is Tin disulfide?
Tin disulfide is an organic compound that has the chemical formula SnS2. It is a yellow hexagonal flake with that has a CdI2 crystal form. It isn't really soluble in water, but it's solubilized in aqua regia or hot alkaline liquids, and additionally, it is soluble in sodium sulfur Solution, which is often used as golden paint.
Tin disulfide is soluble aqua regia and hot acid solution. It may undergo coordination reaction when combined with concentrated hydrochloric acid, but it is non-soluble in dilute acid and is insoluble in water and nitric acid. It can also react by combining ammonium with sulfide in order to dissolve.
How do you make Tin disulfide?
Tin disulfide can be made by mixing directly tin and sulfur with the iodine. The reaction involves the heating process:
2. S -- SnS2
Another option is to introduce hydrogen sulfide through the tin (IV) salt , or into the tin (IV) salt solution and create a precipitate.
Electrochemical behavior of multi-walled carbon Nanotubes, confined to tin disulfide, the negative electrodes of lithium ion battery
Direct current arc plasma technique was used to create multi-walled carbon nitrotube-confined metallic tin Nanostructures (Sn@MWCNT) as the precursor in methane-like atmosphere. SnS_2@MWCNT was obtained by the process of sulfurization. The results of physical analysis of the materials such as Raman, Xray diffraction (XRD) and transmission electron microscopy (TEM) revealed that the size of multi-walled carbon Nanotubes were about 400nm. Additionally, the top layer of carbon was crystallized and the thickness of the carbon layer was about 10 nanometers. Lithium-ion-based batteries using Sn S2@MWCNT nanostructures as anode materials have relatively good electrochemical performance. The first charge discharge Coulomb effectiveness is 71% even after 50 times, the power has remained at 703 mAh?g-1. The characteristics of high-capacity SnS_2@MWCNT nanostructured electrodes result from the fact that various types of active substances provide the capacity of the two together. The reactions platform of each one differs.
Study on electrochemical performance of tin disulfide/single-walled carbon nanotube composite material used as anode material for lithium-ion battery
A novel composite material made of SnS2 combined with single-walled carbon nanotubes (SWCNTs) was made by an easy solvothermal process. It was found to have good electrochemical performance after being attached to the positive electrode material of lithium Ion batteries. At a current density of 1 A/g after 100 cycle, it has a reversible specific power of 515 mAh/g. To compare, we employed the same technique to make a single SnS2 material and conduct electrical tests with it. The results reveal that while the initial performance of SnS2 material is rather large, the performance of its cycles is weak, and it decreases rapidly after less than 20 cycles. The higher efficiency of the composite in batteries made from lithium is thought to be due to the synergy that occurs between the two substances that comprise SnS2 in addition to SWCNTs.
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