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What is Tin disulfide

What exactly is Tin disulfide?

Tin disulfide - an inorganic compound with a chemical formula of SnS2. It is the yellow hexagonal flake which has that has a CdI2 Crystal structure. It is not very soluble in water, however it is soluble in aqua regia , and hot alkaline solution. It is also in sodium sulfide Solution, often used as golden paint.

Tin disulfide is insoluble in aqua regia as well as hot alkali solution and can undergo coordination reactions with concentrated hydrochloric acid, but it is not soluble in dilute acids that is insoluble with water and in nitric acid. It may also react with ammonium sulfur to dissolve.

How do I make the tin disulfide?

Tin disulfide could be produced by directly mixing tin and sulfur in the presence of iodine. The reaction requires heat:

2. S --- SnS2

Another approach is to inject hydrogen sulfide into solution of tin (IV) salt , or into the tin (IV) salt solution and melt it.

Electrochemical behavior of multi-walled carbon-carbon nanotubes in tin disulfide as negative electrode for lithium ion battery

The direct current arc plasma method was employed to produce multi-walled carbon nanotubes-confined metal tin nanostructures (Sn@MWCNT) as the precursor under a methane atmosphere, and then SnS_2@MWCNT-like nanostructures were fabricated by the process of sulfurization. The physical characterization results of the material such as Raman, X-ray Diffraction (XRD) as well as transmission electron microscopy (TEM) demonstrated that the size of multi-walled carbon Nanotubes measured around 400nm. Furthermore, the carbon layer that was on the surface was crystallized, in addition, the thickness of this carbon-based layer was about 10 nanometers. Lithium-ion batteries made of Sn S2@MWCNT nanostructures for anodes materials have relatively good electrochemical performance. The first discharge-charge Coulomb effectiveness is 71%, at the end of 50 cycles, this capacity still remains at 703mAh?g-1. The characteristics of high-capacity SnS_2@MWCNT nanostructured electrodes are due to the fact that different types of active materials can provide the capacity to work together, and also the catalyst for each of them 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 developed using a simple solvothermal method. It was found to have high electrochemical efficiency after being used as the negative electrode material of the lithium ion battery. At a current density of 1 A/g, after hundred cycles it retains a specific capacity that is reversible of 510 milliamps per gram. We used similar methods to synthesize one SnS2 material and conducted experiments on its electrochemistry. The results reveal that while the initial power of SnS2 material is good, its cycle performance is weak, and it decreases rapidly after less than 20 cycles. The superior effectiveness of this alloy material when used in lithium-ion batteries believed to be due to an interaction between the two substances comprising SnS2 as well as SWCNTs.

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