What is Tin disulfide?
Tin disulfide, an inorganic compound that has chemical formula SnS2. It is an orange hexagonal flake with an CdI2 cristal structure. It is not very soluble in water, however it's easily soluble in aqua regia as well as hot alkaline solutions. It is additionally, it is soluble in sodium sulfur Solution, commonly used as gold paint.
Tin disulfide is soluble aqua regia as well as hot alkali solution. It also undergoes coordination reaction when combined with concentrated hydrochloric acid, but it's unsoluble when dilute in hydrochloric acids and insoluble in water and Nitric acid. It is also capable of resolving when mixed with ammonium to dissolve.
How do I prepare tin disulfide?
Tin disulfide is made via direct fusion of tin and sulfur with Iodine. The reaction requires heat:
2. S -- SnS2
Another option is to introduce hydrogen sulfide in 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 electrodes of lithium ion battery
Direct current arc plasma technique was used to prepare multi-walled carbon nitrotube-confined metallic tin nanostructures (Sn@MWCNT) as precursors in a methane atmosphere, and then SnS_2@MWCNT was obtained by the sulfurization reaction. The results of physical characterization of the materials, such as Raman, Xray diffraction (XRD) and the transmission electron microscope (TEM) confirmed that the size of multi-walled carbon Nanotubes measured around 400nm. Furthermore, the carbon layer that was on the surface was crystallized as was the layer's thickness around 10 nanometers. Lithium-ion battery systems using Sn S2@MWCNT nanostructures as anode materials have relatively good electrochemical performance. The first charge-discharge Coulomb yield is 71% following 50 cycles of use, the capacity remains stable at 703 mAh?g-1. The advantages of SnS_2@MWCNT's high-capacity nanostructured electrodes are due to the fact that various types of active materials offer the ability together, and that the reaction platform of each 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 made up of SnS2 as well as single-walled carbon nanotubes (SWCNTs) has been prepared using an easy solvothermal procedure. It is found to have an excellent electrochemical performance when placed on the electrode that is negative material of the lithium ion battery. At a higher current density of 1 A/g 100 times, the battery still retains a reversible capacity of 500 millions of mAh/g. For comparison, we used the same technique to make a single SnS2 material and conducted electrochemical tests on it. Results indicate that although the initial specific performance of SnS2 material is relatively impressive, the cycle performance is poor, and it decays quickly after less than 20 cycles. The better efficiency of the composite in batteries made from lithium is believed to be the result of the synergy between two components which are SnS2 along with SWCNTs.
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