What exactly is Tin disulfide?
Tin disulfide can be described as an inorganic compound with a chemical formula of SnS2. It is a yellow hexagonal flake , with that has a CdI2 crystal shape. It is not soluble in water, but it's easily soluble in aqua regia as well as hot alkaline solution, and as well in sodium sulfide Solution, commonly used for gold paint.
Tin disulfide is soluble aqua regia as well as hot alkali solution. It undergoes coordination reaction with concentrated hydrochloric acid, however it is non-soluble in dilute acid and is insoluble in water and in nitric acid. It is also able to react with ammonium Sulfide to dissolve.
How to prepare the tin disulfide?
Tin disulfide can easily be obtained via direct fusion of tin and sulfur with the iodine. The reaction involves heat:
Sn + 2 S -- SnS2
Another option is passing hydrogen sulfide in the tin (IV) salt solution or the tin (IV) salt solution and the precipitate.
Electrochemical behavior of multi-walled carbon-carbon nanotubes in to tin disulfide, the negative electrode in lithium ion battery
Direct current arc plasma method was employed to produce multi-walled carbon nanotubes-confined metal tin nanostructures (Sn@MWCNT) as a precursor in a methane-based atmosphere. SnS_2@MWCNT-like nanostructures were fabricated by using the sulfurization procedure. The results of the physical characterisation of the materials, such as Raman, Xray diffraction (XRD) as well as transmission electron microscopy (TEM) revealed that the size of multi-walled carbon Nanotubes was approximately 400nm, the carbon layer on the surface was well crystallized while the size of the carbon layer was around 10 nanometers. Lithium-ion batteries that use Sn S2@MWCNT nanostructures for anodes material have shown relatively good electrochemical performance. The first recharge Coulomb effect is 71%, in the course of 50 cycle, the power remains at 703 mAh?g-1. The characteristics of high-capacity SnS_2@MWCNT nanostructured electrodes are due to the fact that a range of active materials provide the capacity of the two together. The reaction platform of each material 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 of SnS2 along with carbon nanotubes that are single-walled (SWCNTs) has been prepared using simple solvothermal methods. It has good electrochemical performance after being attached to the positive electrode material of the lithium Ion battery. At a high current density that is 1 A/g. After one hundred times it has a reversible specific power of more than 510 milliamps per gram. We used the same process to synthesize one SnS2 material and conducted Electrochemical testing on it. The results show that even though the initial capabilities of SnS2 material is quite good, its cycle performance is low and goes through a rapid decline after less than 20 cycles. The higher capability of this hybrid material within lithium-ion batteries believed to be due to an interaction between the two substances from SnS2 as well as SWCNTs.
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