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What is Tin disulfide?
Tin disulfide, an inorganic compound with a chemical formula of SnS2. It is an yellow hexagonal flake that has an CdI2 Crystal structure. It is not soluble in water, but it is soluble in aqua regia and hot alkaline solution, and can be found in sodium sulfide Solution, frequently used to create golden paint.
Tin disulfide can be found in aqua regia as well as hot alkali solution. It may undergo co-reaction with concentrated acid. However, it is insoluble in dilute hydrochloric acid, insoluble in water, and in nitric acid. It may also react with ammonium sulfide , causing it to dissolve.
How do I make Tin disulfide?
Tin disulfide may be obtained via direct fusion of tin and sulfur with iodine. The reaction involves heat:
Sn + 2 S --- SnS2
Another technique is to add hydrogen sulfide through the tin (IV) salts or in the tin (IV) salt solution, and then make it precipitate.
Electrochemical behavior of multi-walled carbon Nanotubes, confined with tin disulfide used as the negative electrode in lithium ion battery
Direct current arc plasma method was used to create multi-walled carbon nanotube-confined metal Nanostructures (Sn@MWCNT) as the precursor in methane atmosphere. Later, SnS_2@MWCNT was obtained by this sulfurization. The results of physical analysis of the materials, such as Raman, Xray diffraction (XRD) as well as transmission electron microscopy (TEM) confirmed that the size of multi-walled carbon Nanotubes was approximately 400nm, the surface carbon layer was well crystallized and the thickness of the carbon layer was about 10 nanometers. Lithium-ion batteries using Sn S2@MWCNT nanostructures as anode materials have an impressive electrochemical performance. The first charge-discharge Coulomb efficacy is 71% in the course of 50 cycle, the capacity remains at 703 mAh?g-1. The high-capacity properties of SnS_2@MWCNT nanostructured electrodes result from the fact that various types different active materials are able to provide capability together, and the reaction platform for each material 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 material of SnS2 in combination with carbon nanotubes single-walled (SWCNTs) was produced using the simple solvothermal method. It is found to have an excellent electrochemical performance when used as the negative electrode of the lithium Ion battery. When the current density is high of 1 A/gand after one hundred times it maintains a variable specific capacity of approximately 510 millions of mAh/g. In order to compare, we applied the same procedure to create one SnS2 material and then conduct electrical tests with it. The results demonstrate that, although the initial capability of SnS2 material is relatively impressive, the cycle performance is not as good, 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 between two constituents made up of SnS2 in addition to SWCNTs.
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