What exactly is Tin disulfide?
Tin disulfide is an organic compound that has chemical formula SnS2. It is an yellow hexagonal flake that has one CdI2 crystal shape. It is hardly soluble in water, but it's liquid in aqua regia and hot alkaline solution. It's also soluble in sodium sulfide Solution, commonly used for golden paint.
Tin disulfide soluble in hot alkali and aqua regia solution. It also undergoes coordination reactions when exposed to concentrated hydrochloric acid, however it is non-soluble in dilute acids but insoluble in water and Nitric acid. It may also react by combining ammonium with sulfide in order to dissolve.
How do you make tin disulfide?
Tin disulfide is produced simply by combining tin directly with sulfur with iodine. The reaction involves the heating process:
2. S -- SnS2
Another method is to pass hydrogen sulfide in the tin (IV) salt or (IV) salt solution and the precipitate.
Electrochemical properties of multi-walled carbon nitrotubes enclosed to tin dioxide as the negative electrode in lithium ion battery
Direct current arc plasma method was used to prepare multi-walled carbon nanotube-confined metal Nanostructures (Sn@MWCNT) as the precursor under a methane-like atmosphere. SnS_2@MWCNT nanostructures were obtained through the sulfurization reaction. The results of physical analysis of the materials such as Raman, X-ray diffraction (XRD), and the transmission electron microscope (TEM) showed that the length of multi-walled carbon nanotubes was 400nm. The carbon layer on the surface was well crystallized and the thickness of the carbon layer was about 10 nm. Lithium-ion batteries made of Sn S2@MWCNT nanostructures for anodes materials have relatively good electrochemical performance. The first charges-discharge Coulomb yield is 71%, After 50 cycles of use, the capacity has remained at 703 mAh?g-1. The high-capacity properties of SnS_2@MWCNT nanostructured electrodes are due to the fact that a range different active materials are able to provide capability together, and 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 and single-walled carbon nanotubes (SWCNTs) is prepared using an easy solvothermal procedure. It is found to have high electrochemical efficiency after being used as the negative electrode material of the lithium ion battery. When the current density is high of 1 A/g 100 times, the battery retains a specific capacity that is reversible of 500 milliamps per gram. As a comparison, we used this same method to create one SnS2 material and conduct Electrochemical testing on it. The results demonstrate that, although the initial capacity of the SnS2 material is relatively high, its cycle performance is low, and is rapidly degraded after just 20 cycles. The higher effectiveness of this alloy material when used in lithium-ion batteries thought to be due to the synergy that occurs between the two parts of SnS2 in addition to SWCNTs.
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