What is Tin disulfide

What exactly is Tin disulfide?

Tin disulfide is an inorganic compound with a chemical formula of SnS2. It is an yellow hexagonal flake that has a CdI2 crystal shape. It isn't very soluble water, however it is soluble in aqua regia , and hot alkaline solution. It's it is also soluble in sodium Sulfide Solution, often used as gold paint.

Tin disulfide will dissolve in the hot alkali solution. It also undergoes the coordination reaction in concentrated hydrochloric acid. However, it's not soluble in dilute acids and insoluble when mixed with water and nitric acid. It also reacts by combining ammonium with sulfide in order to dissolve.

How to make tin disulfide?

Tin disulfide is produced by directly mixing tin and sulfur in the presence of Iodine. The reaction involves the heating process:

2. S --- SnS2

Another option is passing hydrogen sulfide through solution of tin (IV) salt , or into the tin (IV) salt solution and cause it to precipitate.

Electrochemical behavior of carbon nanotubes with multi-walled walls confined to tin dioxide as the negative electrode for lithium ion battery

The direct current arc-plasma method was used to create multi-walled carbon nanotube-confined metal Nanostructures (Sn@MWCNT) as an initial precursor in a methane-like atmosphere. SnS_2@MWCNT nanostructures were obtained through the process of sulfurization. The results of physical analysis of the materials, such as Raman, Xray diffraction (XRD) as well as transmission electron microscopy (TEM) demonstrated that the length of multi-walled carbon-carbon nanotubes was 400nm. The carbon layer on the surface was well crystallized in addition, the thickness of this carbon-based layer was about 10 nanometers. Lithium-ion battery systems using Sn S2@MWCNT nanostructures for anodes materials have fairly good electrochemical performance. The initial charges-discharge Coulomb efficiency is 71% even after 50 times, this capacity remains constant at 703 mAh?g-1. The superior capacity characteristics of SnS_2@MWCNT nanostructured electrodes result from the fact that a range of active materials offer the capacity in combination, and the reaction platform of each material is different.

Study on electrochemical performance of tin disulfide/single-walled carbon nanotube composite material used as anode material for lithium-ion battery

A novel composite material comprising SnS2 in combination with carbon nanotubes single-walled (SWCNTs) was produced using a simple solvothermal method. It is found to have an excellent electrochemical performance when connected to the negative electrode of lithium Ion battery. At a higher current density at 1 A/g, and after 100 cycles still keeps a reversible reversible particular capacity of about 510 mg/g. To compare, we employed the same method to synthesize a single SnS2 material and conduct electrical tests with it. The results indicate that even though the initial specific capacities of SnS2 material is excellent, the cycle efficiency is poor, and it fades quickly after fewer than 20 cycles. The better capability of this hybrid material within lithium-ion batteries believed to be the result of the synergy between the two component that comprise SnS2 in addition to SWCNTs.

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