How is Titanium Sulfide TiS2 Powder produced?
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Overview of titanium sulfide TiS2 powder
Titanium disulfide is an inorganic compound with the molecular formula TiS2. Brass scaly crystals with a metallic luster. The density is 3.22 g/mL. It is stable at room temperature, stable to water, dilute sulfuric acid and hydrochloric acid, but nitric acid and concentrated sulfuric acid will decompose it into sulfur. Lithium can be inserted between the titanium disulfide layers, and the composition of the internal layer forming compound LiTiS2 varies continuously between x=0 and 1, so it is an ideal non-stoichiometric compound. Titanium disulfide is a yellow or gray powder with an unpleasant odor and is used as a solid lubricant. Contact with this substance may burn skin, eyes, and mucous membranes. May be toxic if swallowed, inhaled or absorbed through the skin.
Titanium disulfide TiS2 powder as a layered structure, and each layered structure is composed of a sulfur-titanium-sulfur intermediate layer connected by weak van der Waals forces. Crystals can be grown from titanium wires heated in sulfur vapor, or they can be synthesized by the reaction of titanium tetrachloride and hydrogen sulfide. Lithium can be inserted between the titanium disulfide layers, and the composition of the internal layer forming compound LiTiS2 varies continuously between x=0 and 1, so it is an ideal non-stoichiometric compound.
Titanium disulfide is an inorganic compound with the molecular formula TiS2. The stoichiometric unit ME2.TiS2 is a group of highly conductive golden yellow solids belonging to transition metal halogens, which are used as cathode materials for rechargeable batteries.
How is Titanium Sulfide TiS2 Powder produced?
Titanium disulfide is prepared by the reaction of the elements around 500 °C.
Ti + 2 S → TiS2
It can be more easily synthesized from titanium tetrachloride, but this product is typically less pure than that obtained from the elements.
TiCl4 + 2 H2S → TiS2 + 4 HCl
This route has been applied to the formation of TiS2 films by chemical vapor deposition. Thiols and organic disulfides can be employed in place of hydrogen sulfide.
A variety of other titanium sulfides are known.
Titanium sulfide TiS2 powder application
Titanium sulfide TiS2 powder is mainly used in lithium batteries, target materials, scientific research, etc.
In 1973, the prospect of using titanium disulfide as a positive electrode material for rechargeable batteries was proposed. Group IV and V halogen compounds have attracted attention due to their high conductivity. The battery originally described uses a lithium anode and a titanium disulfide cathode. The energy density of the battery is high, the diffusion process of lithium ions to the titanium disulfide cathode is reversible, and the battery can be charged.
Titanium disulfide TiS2 powder was chosen because it is the lightest and cheapest chalcogenide.
Lithium ions diffuse the fastest in titanium disulfide.
The main problem is the degradation of the cathode after repeated use. This reversible insertion process allows the battery to be charged. In addition, among all the layered dihalides IV and V, titanium disulfide is the lightest and cheapest.
In the 1990s, other cathode materials (manganese oxide and cobalt oxide) in most rechargeable batteries replaced titanium disulfide.
Use of TiS2 cathodes in solid-state lithium batteries Most lithium-ion batteries use liquid electrolytes, which may cause safety hazards due to their flammability. Many different solid electrolytes have been proposed to replace these harmful liquid electrolytes.
For most solid-state batteries, higher interface resistance reduces the reversibility of the insertion process and shortens the service life. For TIS2, these bad interface effects are no longer a problem. The power density of the all-solid-state lithium battery is 1000 W/kg, and the maximum power density in 50 cycles is 1500 W/kg. In addition, the average capacity of the battery dropped by less than 10% in 50 cycles. Although titanium disulfide has high conductivity, high energy density, and high power, its discharge voltage is relatively low compared with other lithium batteries with high reduction potential cathodes.
The price of titanium sulfide TiS2 powder
The price of titanium sulfide TiS2 powder will vary randomly with the production cost, transportation cost, international situation, exchange rate, and the market supply and demand of titanium sulfide TiS2 powder. Tanki New Materials Co. ,Ltd aims to help all industries and chemical wholesalers find high-quality, low-cost nanomaterials and chemicals by providing a full set of customized services. If you are looking for titanium sulfide TiS2 powder, please feel free to send it to get the latest price of titanium sulfide TiS2 powder.
Suppliers of titanium sulfide TiS2 powder
As a global supplier of titanium sulfide TiS2 powder, Tanki New Materials Co., Ltd. has extensive experience in the performance, application, and cost-effective manufacturing of advanced technology and engineering materials. The company has successfully developed a series of powder materials (including oxides, carbides, nitrides, single metals, etc.), high-purity targets, functional ceramics, and structural devices, and provides OEM services
Titanium disulfide Application: lithium battery, target material, scientific research, etc
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