What is Tin disulfide?
Tin disulfide, an inorganic compound that has a chemical formula of SnS2. It is a yellow hexagonal flake containing a CdI2 crystal structure. It isn't really soluble in water, however it is soluble in aqua regia and hot alkaline liquids, and additionally, it is soluble in sodium sulfur Solution, which is often used as golden paint.
Tin disulfide can be found in aqua regia as well as hot alkali solution and can undergo co-reaction with concentrated acid, however it is non-soluble in dilute acids as well as insoluble in water and nitric acid. It may also react with ammonium sulfide and dissolve.
How do you make Tin disulfide?
Tin disulfide is made by directly combining tin and sulfur in the presence of iodine. The reaction involves heating:
Sn + 2 S --- SnS2
Another option is to pour hydrogen sulfide in solution of tin (IV) salt and tin (IV) salt solution and cause it to precipitate.
Electrochemical behavior of multi-walled carbon-carbon nanotubes in by tin disulfide. It is the negative electrode of lithium ion battery
The direct current arc-plasma method was used to make multi-walled carbon nanotube-confined metal nanostructures (Sn@MWCNT) as the precursor under a methane environment, and later SnS_2@MWCNT were made by in the reaction of sulfurization. The results from the physical characterization of the material like Raman, Xray diffraction (XRD) as well as the transmission electron microscope (TEM) proved that the length of multi-walled carbon-carbon nanotubes was approximately 400nm, the carbon layer on the surface was well crystallized as was the layer's thickness around 10 nanometers. Lithium-ion battery systems using Sn S2@MWCNT nanostructures as anode material have shown relatively good electrochemical performance. The first charged-discharge Coulomb rate is 71%, and after 50 cycles, it remains constant at 703 mAh?g-1. The high-capacity properties of SnS_2@MWCNT nanostructured electrodes result from the fact that several types of active materials provide the capacity together, and the reaction platform of each material is distinct.
Study on electrochemical performance of tin disulfide/single-walled carbon nanotube composite material used as anode material for lithium-ion battery
A novel composite of SnS2 together with the single-walled carbon-nanotube (SWCNTs) was prepared by a simple solvothermal method. It has good electrochemical performances after being put on to negative electrode of lithium ion battery. When the current density is high of 1 A/g, after 100 times, the battery still keeps a reversible reversible particular capacity of 500 millions of mAh/g. To compare, we employed this same method to create a single SnS2 material and conducted electrical tests with it. The results reveal that while the initial performance of SnS2 material is rather high, the efficiency of the cycle is poorand fades quickly after fewer than 20 cycles. The better efficiency of the composite in batteries made from lithium is believed to be due to the synergy of the two components that comprise SnS2 and SWCNTs.
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