What exactly is Tin disulfide?
Tin disulfide, an inorganic compound that has a chemical formula of SnS2. It is a yellow hexagonal flake containing a CdI2 crystal structure. It isn't very soluble water, however it is liquid in aqua regia and hot alkaline liquids, and also soluble in sodium sulfide Solution, often used as golden paint.
Tin disulfide dissolves in the hot alkali solution. It undergoes coordination reaction with concentrated acid. However, it is insoluble in dilute hydrochloric acid and insoluble when mixed with water and the acid nitric. It can also react with ammonium sulfide , causing it to dissolve.
How do I make tin disulfide?
Tin disulfide is made by directly mixing tin and sulfur in the presence of Iodine. The reaction requires the heating process:
2. S --- SnS2
Another method is to put hydrogen sulfide into the tin (IV) salts, also known as tin (IV) salt solution and cause it to precipitate.
Electrochemical behavior of multi-walled carbon nanotubes that are confined tin disulfide as negative electrode for lithium ion battery
Direct current arc plasma method was employed to create multi-walled carbon carbon nanotube confined metal tin nanostructures (Sn@MWCNT) as an initial precursor in a methane environment, and later SnS_2@MWCNT nanostructures were obtained through this sulfurization. The results of the physical characterization of the materials, such as Raman, X-ray diffracted (XRD) as well as transmission electron microscopy (TEM) confirmed that the length of the multi-walled carbon nanotubes was around 400nm. The top layer of carbon was crystallized with the thickness of carbon being approximately 10 nanometers. Lithium-ion batteries using Sn S2@MWCNT nanostructures for anodes materials have a relatively high electrochemical performance. The first discharge-charge Coulomb effect is 71% with 50 cycles of use, the capacity still remains at 703mAh?g-1. The characteristics of high-capacity SnS_2@MWCNT nanostructured electrodes result from the fact that a wide range of active materials can provide the capacity in combination, 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 new composite material of SnS2 as well as single-walled carbon nanotubes (SWCNTs) was prepared by the simple solvothermal method. It was found to have good electrochemical performances after being applied to the negative electrode material of lithium Ion battery. In a high density of current of 1 A/gand after one hundred times it keeps a reversible reversible particular capacity of approximately 510 mAh/g. To compare, we employed the same method for synthesis of one SnS2 material and conduct electrochemical tests on it. Results show that even though the initial specific performance of SnS2 material is quite high, the efficiency of the cycle is low and goes through a rapid decline after less than 20 cycles. The better capacity of this particular composite for batteries that use lithium is believed to be the result of its synergy with the two parts in SnS2 and SWCNTs.
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