What is Tin disulfide?
Tin disulfide is a non-organic compound with the chemical formula SnS2. It is a yellow hexagonal flake containing the CdI2 crystal shape. It's not so soluble with water, but it's liquid in aqua regia and hot alkaline solution. It is as well in sodium sulfide Solution, which is frequently used as gold paint.
Tin disulfide will dissolve in the hot alkali solution. It undergoes coordination reaction when combined with concentrated hydrochloric acid. However, it's not soluble in dilute acids, insoluble in water, and the acid nitric. It also reacts with ammonium sulfide , causing it to dissolve.
How do I prepare the tin disulfide?
Tin disulfide may be obtained by directly combining tin and sulfur with iodine. The reaction involves heating:
2. S --- SnS2
Another method is to pass hydrogen sulfide through solution of tin (IV) salt or tin (IV) salt solution to the precipitate.
Electrochemical properties of multi-walled carbon nanotubes held in tin disulfide as negative electrode for lithium ion battery
Direct current arc plasma method has been used to make multi-walled carbon Nanotube-confined tin Nanostructures (Sn@MWCNT) as the precursor in methane atmospheric environment. Then SnS_2@MWCNT nanostructures were obtained through the process of sulfurization. The physical characterization results of the materials, such as Raman, X-ray Diffraction (XRD) as well as the transmission electron microscope (TEM) confirmed that the length of the multi-walled carbon nanotubes measured around 400nm. Furthermore, the top layer of carbon was crystallized while the size of the carbon layer was about 10 nanometers. Lithium ion batteries using Sn S2@MWCNT nanostructures as anode materials have a relatively high electrochemical performance. The first charges-discharge Coulomb effectiveness is 71% following 50 cycles the capacity has remained at 703 mAh?g-1. The capacity-enhancing properties of SnS_2@MWCNT nanostructured electrodes are due to the fact that several types of active material provide the capacity , as well as the reaction platform for each material is unique to each material.
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 made of SnS2 along with carbon nanotubes that are single-walled (SWCNTs) has been prepared using the simple solvothermal method. It was found to have an excellent electrochemical performance when put on to negative electrode of the lithium ion battery. At a higher current density at 1 A/g, and after 100 cycle, it retains a specific capacity that is reversible of the 510 milliamps/g. For comparison, we used the same procedure to create one SnS2 material and conduct studies on electrochemistry on the material. The results show that even though the initial capacity of the SnS2 material is rather high, its cycle performance is poorand fades quickly after fewer than 20 cycles. The better capability of this hybrid material within lithium-ion batteries thought to be the result of the synergy between two elements that comprise SnS2 as well as SWCNTs.
Tin disulfide Supplier
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