What's Tin disulfide?

Tin disulfide (also known as Tin) is an inorganic compound with chemical formula SnS2. It is a yellow hexagonal flake with its CdI2 crystal form. It is hardly soluble in water, however it is soluble in aqua regia and hot alkaline solution. It's as well in sodium sulfide Solution, often used as golden paint.

Tin disulfide will dissolve in hot alkali and in aqua regia solution. It may undergo the coordination reaction in concentrated hydrochloric acid. However, it is imsoluble within dilute hydrochloric acids and insoluble in water and the acid nitric. It also reacts with ammonium Sulfide to dissolve.

How to prepare tin disulfide?

Tin disulfide is made by combining directly tin with sulfur with Iodine. The reaction involves the heating process:

Sn + 2 S -- SnS2

Another method is to put hydrogen sulfide into the tin (IV) salt and tin (IV) salt solution to form a precipitate.

Electrochemical properties of multi-walled carbon nitrotubes enclosed to tin disulfide as the negative electrodes for lithium ion battery

The direct current arc-plasma method was employed to produce multi-walled carbon nitrotube-confined metallic tin Nanostructures (Sn@MWCNT) as an initial precursor in a methane-like atmosphere. SnS_2@MWCNT nanstructures were formed by in the reaction of sulfurization. The physical properties of the materials such as Raman, X-ray Diffraction (XRD), and the transmission electron microscope (TEM) revealed that the size of multi-walled carbon Nanotubes was approximately 400nm, the surface carbon layer was crystallized while the size of the carbon layer was approximately 10 nanometers. Lithium-ion battery systems using Sn S2@MWCNT nanostructures for anodes materials have fairly good electrochemical performance. The initial charging and discharging Coulomb effect is 71% in the course of 50 cycle, this capacity is still at 703 mAh?g-1. The superior capacity characteristics of SnS_2@MWCNT nanostructured electrodes are due to the fact that various types of active material provide the capacity , as well as 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 new composite material of SnS2 along with carbon nanotubes that are single-walled (SWCNTs) was created using simple solvothermal methods. It is found to have good electrochemical performances after being placed on the electrode that is negative of lithium ion battery. At a higher current density of 1 A/g after 100 cycles, it retains a specific capacity that is reversible of the 510 milliamps per gram. To compare, we employed similar methods to synthesize a single SnS2 material and conduct experiments on its electrochemistry. The results reveal that while the initial performance of SnS2 material is relatively high, its cycle performance is poorand diminishes quickly after less than 20 cycles. The better effectiveness of this alloy material when used in lithium-ion batteries believed to be the result of an interaction between the two elements comprising SnS2 as well as SWCNTs.

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