What is Tin disulfide
What exactly is Tin disulfide?
Tin disulfide - an inorganic compound with the chemical formula SnS2. It is the yellow hexagonal flake which has the CdI2 crystal structure. It isn't really soluble in water, however it is soluble in aqua regia , and hot alkaline solutions. It is as well in sodium sulfide Solution, which is frequently used as gold paint.
Tin disulfide is insoluble in hot alkali and in aqua regia solution. It may undergo coordination reaction with concentrated hydrochloric acid. However, it's not soluble in dilute acids but insoluble in water and Nitric acid. It also reacts when mixed with ammonium to dissolve.
How to make the tin disulfide?
Tin disulfide could be produced by mixing directly tin and sulfur in the presence of the iodine. The reaction involves heating:
2. S -- SnS2
Another method is to pass hydrogen sulfide through solution of tin (IV) salts or in the tin (IV) salt solution to melt it.
Electrochemical behavior of multi-walled carbon Nanotubes, confined to tin disulfide as the negative electrodes of lithium ion battery
The direct current arc plasma method is used to prepare multi-walled carbon nanotubes-confined metal tin Nanostructures (Sn@MWCNT) as a precursor in a methane atmospheric environment. Then SnS_2@MWCNT-like nanostructures were fabricated by an sulfurization process. The results of the physical characterisation of the material like Raman, X-ray diffracted (XRD) as well as Transmission electron Microscopy (TEM) proved that the size of multi-walled carbon Nanotubes measured around 400nm. Furthermore, the surfaces of the carbon layer were well crystallized with the thickness of carbon being around 10 nm. Lithium-ion cells using Sn S2@MWCNT nanostructures as anode materials have relatively good electrochemical performance. The first recharge Coulomb performance is 71% even after 50 times, the power is still at 703 mAh?g-1. The advantages of SnS_2@MWCNT's high-capacity nanostructured electrodes come from the fact that different types of active materials have the capability together, and the reaction platform of each 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 and single-walled carbon nanotubes (SWCNTs) was produced using an easy solvothermal procedure. It has an excellent electrochemical performance when placed on the electrode that is negative of the lithium Ion batteries. At a very high current density at 1 A/g, and after 100 cycles still maintains a variable specific capacity of about 510 amps/g. We used the same method for synthesis of a single SnS2 material, and conduct studies on electrochemistry on the material. The results show that even though the initial capabilities of SnS2 material is high, the cycle performance is low, and decays quickly after less than 20 cycles. The higher efficiency of the composite in batteries made from lithium is believed to be the result of the synergy of the two component in SnS2 along with SWCNTs.
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