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44 results about "Titanium disulfide" patented technology
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Titanium disulfide is an inorganic compound with the formula TiS₂. A golden yellow solid with high electrical conductivity, it belongs to a group of compounds called transition metal dichalcogenides, which consist of the stoichiometry ME₂. TiS₂ has been employed as a cathode material in rechargeable batteries.
All-solid state lithium ion battery composite positive electrode material and preparation method thereof, and all-solid state lithium ion battery
ActiveCN103633329AImprove cycle lifeImprove discharge capacityCell electrodesSecondary cellsSolid state electrolyteTitanium disulfide
Embodiments of the present invention provide an all-solid state lithium ion battery composite positive electrode material, which comprises a positive electrode active material and a cladding layer arranged on the surface of the positive electrode active material, the positive electrode active material is one or a plurality of materials selected from a lithium cobalt oxide, lithium nickelate, lithium manganate, lithium iron phosphate, lithium nickel cobalt manganese, vanadium pentoxide, molybdenum trioxide and titanium disulfide, and the cladding layer material is one or a plurality of lithium-containing transition metal oxides. According to the present invention, with the cladding layer, formation of the space charge layer can be effectively inhibited, the electrode / inorganic solid state electrolyte interface can be improved, and the interface resistance of the all-solid state lithium ion battery can be easily reduced so as to improve cycle stability and durability of the all-solid state lithium ion battery. Embodiments of the present invention further provide a preparation method for the all-solid state lithium ion battery composite positive electrode material, and an all-solid state lithium ion battery containing the all-solid state lithium ion battery composite positive electrode material.
Owner:泰州市海通资产管理有限公司
Preparation method of titanium disulfide nanosheet/quantum dot composite mercury ion fluorescent probe
ActiveCN104893708AIncrease profitLow costFluorescence/phosphorescenceLuminescent compositionsComposite constructionTitanium disulfide
The invention relates to a preparation method of a titanium disulfide nanosheet / quantum dot composite mercury ion fluorescent probe, which comprises the following steps: hydrothermal synthesis is carried out on a raw material titanium disulfide to prepare lamellar-structure TiS2 nanosheets, and an ultrasonic-assisted chemical process is carried out to prepare TiS2 fluorescent quantum dots; a terminal amino group of single-chain oligodeoxyribonudeotide is combined with a carboxy group on the TiS2QDs surface stabilizer molecules to form ODN-modified TiS2QDs, wherein the ODN can be attached to the TiS2 nanosheets under the action of intermolecular force, so that the TiS2QDs indirectly contact the nanosheets to generate fluorescent resonance energy transfer, thereby causing TiS2QDs fluorescent quenching; Hg<2+> can be specifically combined with thymine base on the single chain ODN to form a T-Hg<2+>-T structure, so that the ODN departs from the TiS2 nanosheet surface, and the TiS2QDs also depart, thereby causing fluorescent restoration; and the relationship between the fluorescence intensity and Hg<2+> concentration of the system is fitted to construct the Hg<2+> fluorescent probe based on the titanium disulfide nanosheet / quantum dot composite. The method implements composite construction of the ionic fluorescent probe from the titanium disulfide nanosheet / quantum dot composite and single-chain ODN.
Owner:QINGDAO UNIV
Perovskite solar cell with black phosphorus being hole transfer layer and preparation method thereof
ActiveCN106129256AGood chemical stabilityLow costFinal product manufactureSolid-state devicesTitanium disulfideHole transport layer
The invention provides a perovskite solar cell with black phosphorus being a hole transfer layer. A perovskite structure light-absorption layer, an electron transfer layer and a transparent conductive electrode are arranged in sequence on the black phosphorus hole transfer layer; and a positive electrode is prepared on the back surface of the black phosphorus hole transfer layer. The black phosphorus hole transfer layer, compared with an organic matter hole transfer layer, has more excellent chemical stability and lower cost, and improves output power and photoelectric conversion efficiency of the solar cell; and furthermore, titanium disulfide is doped in the black phosphorus hole transfer layer, and titanium disulfide molecules can be nested easily in defect positions of black phosphorus crystal, thereby reducing crystal defect of the black phosphorus hole transfer layer and furthermore, improving photoelectric conversion efficiency.
Owner:ANHUI HUASUN ENERGY CO LTD
Titanium disulfide nanosheet and preparation method thereof
InactiveCN107492658AHigh specific capacityImproved magnification performanceMaterial nanotechnologyCell electrodesTitanium disulfideHydrofluoric acid
The invention discloses a titanium disulfide nanosheet and a preparation method thereof. An accordion-shaped titanium carbide material prepared through etching Ti3SiC2, Ti3AlC2 or Ti2AlC ceramic powder material by hydrofluoric acid is used as a raw material, and the two-dimensional titanium disulfide nanosheet can be prepared by high-temperature processing on hydrogen sulfide gas and subsequent liquid-phase ultrasonic stripping. The two-dimensional titanium disulfide nanosheet has relatively high specific capacity, favorable rate performance and charge-discharge cycle performance when used as a lithium ion battery negative electrode material.
Owner:ANYANG INST OF TECH
Titanium disulfide nano sheet/graphene composite material counter electrode and preparation method thereof
ActiveCN104992843AHigh catalytic activityImprove conductivityLight-sensitive devicesFinal product manufactureTitanium disulfideConductive polymer
The present invention relates to the field of solar cell technology and provides a titanium disulfide nano sheet / graphene composite material counter electrode preparation method. The method comprises the steps of (1) taking graphene oxide, titanium powder and sulfur powder as precursors to experience mechanical milling mixing, (2) allowing the mixture obtained in step (1) to experience high-temperature annealing under an inert atmosphere, and cooling the mixture to a room temperature to obtain a composite material whose sulfide nano sheet vertically grows on a graphene surface, (3) uniformly grinding the obtained composite material and a binder, and coating slurry to a conductive layer, and (4) allowing the conductive layer which is coated by the slurry obtained in step (3) to experience heating and annealing processing under the protection of the inert atmosphere, and cooling the conductive layer to the room temperature to obtain a target counter electrode. According to the method, the preparation process is simple, the cost of a raw material is low, the method is suitable for high-volume industrial preparation, compared with a traditional platinum counter electrode, the platinum counter electrode with high price, insufficient resource and poor stability can be substituted, and the method has an important meaning for the reduction of the cost of a dye-sensitized solar cell.
Owner:DALIAN UNIV OF TECH
Method for synthesizing and growing titanium disulfide single crystal at high temperature
InactiveCN105926039AEasy to getFew synthetic stepsPolycrystalline material growthFrom solid stateTitanium disulfidePhysical chemistry
The invention relates to a method for synthesizing and growing a titanium disulfide single crystal at a high temperature. The titanium disulfide single crystal can be prepared through mixing sponge-shaped titanium with sulfur, sealing the mixture and proper amount of an iodine block into a heat-resisting quartz tube and heating at the high temperature.
Owner:南京安京太赫光电技术有限公司
Preparation method of high-purity and high-crystallinity titanium disulfide nanometer plates
ActiveCN103991900AHigh crystallinityIncrease expansionMaterial nanotechnologyTitanium compoundsTitanium disulfideHexagonal crystal system
The invention discloses a preparation method of high-purity and high-crystallinity titanium disulfide nanometer plates. A layer-like TiS2 nanometer plate has good electronic mobility and good intercalation performance and is applicable to a cathode material of a lithium ion battery, a super capacitor and the like. By adopting a two-step liquid-phase colloid synthesis technology, the preparation method can be used for synthesizing hexagonal crystal system type high-purity high-crystallinity TiS2 nanometer plates through reaction of a titanium source, a sulfur source and a surfactant. The preparation method comprises the following steps: firstly uniformly mixing the titanium source with the surfactant, then filling the sulfur source, heating to a specified temperature and preserving heat for a certain time so as to generate the high-purity high-crystallinity TiS2 nanometer plates different in thickness. The preparation method disclosed by the invention is moderate in reaction condition, simple in preparation process, easy to control and good in repeatability. The TiS2 nanometer plates obtained through the preparation method disclosed by the invention are uniform in size and shape, controllable in size, good in crystallinity and high in purity.
Owner:NANJING UNIV OF SCI & TECH
Method for synthesizing titanium dioxide/ titanium disulfide composite material by using one-step vulcanization method
InactiveCN107337233AEasy to prepareShort cycleMaterial nanotechnologyTitanium sulfidesTitanium disulfideVulcanization
The invention discloses a method for synthesizing a titanium dioxide (TiO2) / titanium disulfide (TiS2) composite material by using an one-step vulcanization method. The method for synthesizing the TiO2 / TiS2 composite material comprises the steps of adding butyl titanate dropwise into an ethanol solution to form a mixed solution A, adding ethanol into deionized water to form a mixed solution B, adding the mixed solution A dropwise to the mixed solution B, and sonicating the obtained mixture with ultrasonic waves to obtain a transparent solution C; adjusting the pH of the solution C to 6, and obtaining a solution D; adding the solution D into a inner container made of polytetrafluoroethylene, and controlling the filling ratio for a reaction; after the reaction is completed, washing, drying, and grinding so as to obtain a TiO2 precursor; placing the TiO2 precursor and thioacetamide in a porcelain boat, and covering the porcelain boat with a cover; putting the whole porcelain boat with the cover into a low-temperature tube furnace for a sintering reaction; after the temperature drops to a room temperature, taking out the sample of TiO2 precursor and thioacetamide, grinding the sample into a powder sample, and obtaining the TiO2 / TiS2 composite material. The method for synthesizing the TiO2 / TiS2 composite material has the advantages of being simple and short in period, the block size of the prepared material is ten to several hundred nanometers, and the prepared material has the advantages of being high in purity, high in crystallinity and even in morphology.
Owner:SHAANXI UNIV OF SCI & TECH
Doping type lithium battery anode material
ActiveCN107240699AExtended working hoursExtended service lifeCell electrodesTitanium disulfideManganese sulfide
Owner:ZHEJIANG MEIDU HITRANS LITHIUM BATTERY TECHNOLOGY CO LTD
Preparation method and application of tin oxide-based solar battery nanometer
InactiveCN108417649APhotocatalytic performance unchangedEasy to form into tabletsMaterial nanotechnologyWater/sewage treatment by irradiationTin dioxideTitanium disulfide
The invention discloses a preparation method and an application of a tin oxide-based solar battery nanometer. The tin oxide-based solar battery nanometer comprises tin dioxide, tin disulfide and titanium disulfide at the molar ratio of SnO<2> to SnS<2> to TiS<2> of x to y to z, wherein x is greater than or equal to 1.5 and less than or equal to 2.5; y is greater than or equal to 0.2 and less thanor equal to 0.6; and z is greater than or equal to 0.1 and less than or equal to 0.25. The invention also provides the preparation method and the application of the tin oxide-based solar battery nanometer. According to the nanometer powder material in the invention, a color organic matter is degraded in a neutral environment, and can be recycled for five times or more, and the photocatalytic performance is not changed; however, in an acid environment, the photocatalytic performance stability is degraded; the nanometer powder material disclosed in the invention has relatively high photoelectricconversion, wide preparation raw material resource, low-cost and easily-available performance, simple preparation method and low cost; and the nanometer powder can be subjected to tabletting and forming easily, thereby satisfying the processing requirement of a solar energy window material.
Owner:HUNAN UNIV OF ARTS & SCI
Anode material used for rechargeable aqueous solution zinc ion battery as well as preparation and application thereof
ActiveCN109755567AImprove electrochemical cycle stabilityEasy to prepareCell electrodesSecondary cellsTitanium disulfideWater based
The invention discloses an anode material used for a rechargeable aqueous solution zinc ion battery, characterized in that the anode material is titanium disulfide TiS2 modified by other elements, a chemical expression of the anode material is MxTiS2, wherein M is the other elements, the other elements are specifically at least one of hydrogen, copper, alkali metals and alkaline-earth metals, andx is doping content of the other elements and is not more than 0.4. The invention performs modification treatment on titanium disulfide (TiS2) by adopting alkali metal or alkaline-earth metal ions (orother metal ions), so that a novel rechargeable aqueous solution zinc ion battery anode material can be obtained; and the obtained modified titanium disulfide material can be taken as the anode material to be applied to a water-based zinc-based battery, and high capacity and long circulation performance are played.
Owner:HUAZHONG UNIV OF SCI & TECH
Preparation method of titanium disulfide nanosheet/quantum dot composite mercury ion fluorescent probe
ActiveCN104893708BIncrease profitLow costFluorescence/phosphorescenceLuminescent compositionsComposite constructionTitanium disulfide
The invention relates to a preparation method of a titanium disulfide nanosheet / quantum dot composite mercury ion fluorescent probe, which comprises the following steps: hydrothermal synthesis is carried out on a raw material titanium disulfide to prepare lamellar-structure TiS2 nanosheets, and an ultrasonic-assisted chemical process is carried out to prepare TiS2 fluorescent quantum dots; a terminal amino group of single-chain oligodeoxyribonudeotide is combined with a carboxy group on the TiS2QDs surface stabilizer molecules to form ODN-modified TiS2QDs, wherein the ODN can be attached to the TiS2 nanosheets under the action of intermolecular force, so that the TiS2QDs indirectly contact the nanosheets to generate fluorescent resonance energy transfer, thereby causing TiS2QDs fluorescent quenching; Hg<2+> can be specifically combined with thymine base on the single chain ODN to form a T-Hg<2+>-T structure, so that the ODN departs from the TiS2 nanosheet surface, and the TiS2QDs also depart, thereby causing fluorescent restoration; and the relationship between the fluorescence intensity and Hg<2+> concentration of the system is fitted to construct the Hg<2+> fluorescent probe based on the titanium disulfide nanosheet / quantum dot composite. The method implements composite construction of the ionic fluorescent probe from the titanium disulfide nanosheet / quantum dot composite and single-chain ODN.
Owner:QINGDAO UNIV
Novel method for synthesizing Ti2SC ceramic by microwave heating
The invention relates to a preparation method of Ti2SC ceramic by microwave synthesis, which is characterized by comprising the following steps: taking titanium powder, titanium disulfide powder and graphite powder in a mole ratio of (2.5-3):3:(1.0-1.2), evenly mixing, pelleting, and carrying out microwave heating on the pellet material under the protection of inert gas which can not generate chemical reaction on the raw material and reactant, thereby synthesizing the high-purity Ti2SC ceramic. The method can be used for quickly preparing the Ti2SC ceramic powder, greatly reduces the reaction temperature and reaction time, enhances the efficiency by tens of times as compared with the traditional Ti2SC ceramic preparation method, and obtains the favorable single-phase sample.
Owner:HENAN UNIVERSITY OF TECHNOLOGY
A kind of all-solid-state lithium-ion battery composite positive electrode material and its preparation method and all-solid-state lithium-ion battery
ActiveCN103633329BImprove cycle lifeImprove discharge capacityCell electrodesSecondary cellsTitanium disulfideSolid state electrolyte
Provided in the present invention is a composite positive electrode material for a full solid state lithium ion battery; the composite positive electrode material for a full solid state lithium ion battery comprises: a positive electrode active material and a coating layer disposed on the surface of the positive electrode active material; the positive electrode active material is one or more of lithium cobalt oxide, lithium nickelate, lithium manganese, lithium iron phosphate, lithium nickel cobalt manganese oxide, vanadium pentoxide, molybdenum trioxide and titanium disulfide; the material of the coating layer is one or more of transition metal oxides containing lithium; the coating layer can effectively control the formation of a space charge layer, improve the interface of the electrode / inorganic solid state electrolyte, facilitate reducing the interface resistance of the full solid state lithium ion battery, and thus increase the cycle stability and durability of the full solid state lithium ion battery. Also provided in the present invention are a preparation process for the composite positive electrode material for a full solid state lithium ion battery, and a full solid state lithium ion battery comprising the composite positive electrode material for a full solid state lithium ion battery.
Owner:泰州市海通资产管理有限公司
Sulfur doped titanate nanotube visible light catalyst material and its preparation method
InactiveCN102728391AAchieve preparationImproved visible light photocatalytic activityMaterial nanotechnologyPhysical/chemical process catalystsTitanium disulfideIndustrial waste water
The invention relates to a sulfur doped titanate nanotube visible light catalyst material and its preparation method, a molecular formula of the material is H2-xNaxTi4O9-ySy.H2O (0<=x<=2; 0.01<=y<=0.15). According to the preparation method, titanium disulfide and a sodium hydroxide aqueous solution are taken as raw materials, fully mixed and moved into a stainless steel reaction vessel with a teflon inner liner, a hydrothermal reaction is carried out for 10-48 hours at the temperature of 100-200 DEG C; the obtained sediment is filtered, pickled, then washed to neutrality, dried for 24-48 hours at the temperature of 50-100 DEG C to obtain the light gray powder which is sulfur doped titanate nanotube. The photocatalyst material enables wide absorption in a visible light zone, compared with the catalytic activity of undoped titanium dioxide nano-tube photocatalysts, in an extremely low sulfur doped range, the sulfur doped titanate nanotube photocatalyst presents superior visible light photocatalytic activity, and can be used in the fields of industrial waste water treatment, dye degradation and indoor harmful gas degradation and the like.
Owner:HENAN UNIV OF SCI & TECH
Method for preparing titanium disulfide crystal and product
InactiveCN112111788AHigh purityEvenly distributedTitanium sulfidesPolycrystalline material growthTitanium disulfideMaterials science
The invention discloses a method for preparing a titanium disulfide crystal and a product, and belongs to the technical field of preparation of IVB-VIA group transition metal chalcogenide. The preparation method comprises the following steps: sequentially filling a quartz tube with titanium powder and sulfur powder in a glove box, conducting standing for 1-2 hours, sealing the quartz tube, placingthe quartz tube under a baking lamp at 120 DEG C for 4-6 hours, placing the quartz tube into a tube furnace, conducting vacuumizing for three times, introducing argon, carrying out sealed reaction inthe tube furnace for 4-8 hours, and conducting cooling to room temperature to obtain titanium disulfide crystals. The titanium disulfide crystal is a 1T-TiS2 hexagonal crystal, and the space group ofthe titanium disulfide crystal is P-3m1. The crystal is of a layered structure. The length of a wafer is 10-11 [mu]m, the width of the wafer is 11-13 [mu]m, and the thickness of the wafer is 1-2 [mu]m. The method is simple and easy to operate, good in repeatability and low in cost, and the prepared TiS2 crystal has the advantages of being high in purity, complete in wafer development, uniform indistribution and the like.
Owner:JILIN UNIV
Zinc ion hybrid supercapacitor and preparation method thereof
InactiveCN111146007AImprove electrochemical performanceHigh retention rateHybrid capacitor electrolytesHybrid capacitor electrodesTitanium disulfideCapacitance
The invention discloses a novel zinc ion hybrid supercapacitor based on a TiS2 embedded negative electrode and a preparation method thereof. The zinc ion hybrid supercapacitor comprises an embedded battery type negative electrode, an adsorptive capacitive type positive electrode, a diaphragm and an electrolyte. The negative electrode active material is titanium disulfide (TiS2), the positive electrode active material is activated carbon (AC), and the electrolyte is a zinc sulfate (ZnSO4) aqueous solution. According to the novel zinc ion hybrid supercapacitor, the problem that zinc dendrites are generated when a zinc foil serves as a negative electrode of a traditional zinc ion hybrid supercapacitor is effectively solved, and the novel zinc ion hybrid supercapacitor has the advantages of being high in energy density, high in specific capacitance, good in safety, environmentally friendly, simple in preparation process and low in cost.
Owner:ANHUI UNIVERSITY
Method for preparing sulfur auto-doped titanium dioxide photocatalyst
InactiveCN104549369AEasy to prepareRaw material environmental protectionPhysical/chemical process catalystsTitanium disulfideRoom temperature
The invention discloses a method for preparing a sulfur auto-doped titanium dioxide photocatalyst. The method comprises the following steps: a. fully mixing a reaction source of a titanium disulfide powder body with water to obtain a titanium disulfide suspension; b. transferring the titanium disulfide suspension to an autoclave, and reacting at a temperature of 120-180 DEG C for 4-12 hours; c. after the reaction in a step b is finished, cooling to a room temperature, washing a reaction product and drying to obtain the sulfur auto-doped titanium dioxide photocatalyst. Raw materials used in the preparation scheme provided by the invention are simple and environmentally friendly, the product is single, and the separation and the purification are easy. The preparation method is simple, the high temperature operation and the complex process are avoided, the reaction conditions are mild, the operation is safe and controllable, an existing sulfur-doped titanium dioxide photocatalyst preparation process is simplified, and the mass production is easily performed.
Owner:山西师范大学
Tetraphenylporphyrin covalently functionalized titanium disulfide nonlinear nano hybrid material and preparation thereof
ActiveCN113735866AExtend modifiabilityRich preparation methodOrganic chemistry methodsPhotovoltaic energy generationTitanium disulfideNano hybrid
The invention relates to a tetraphenylporphyrin covalent functionalized titanium disulfide nonlinear nano hybrid material and preparation thereof, the hybrid material is obtained by a free radical addition reaction of tetraphenylporphyrin diazonium salt TPP-N2 + BF4-and sulfur atoms on the surface layer of a titanium disulfide nanosheet, and the hybrid material is a first example about the covalent functionalization of the titanium disulfide nanosheet at present. Compared with a hybrid material obtained by simply and physically mixing the two types of optical functional materials, the hybrid material obtained by bonding carbon-sulfur covalent bonds shows a remarkably enhanced saturated absorption phenomenon in a visible light range. According to the invention, chemical modification methods of titanium disulfide are enriched, and the obtained material has a wide application prospect in the photoelectric fields of nonlinear optical devices and the like.
Owner:TONGJI UNIV
Titanium disulfide-sulfur composites
ActiveUS20210194004A1Satisfies needImprove electrochemical performanceSecondary cellsPositive electrodesTitanium disulfideSulfidation
A titanium disulfide-sulfur (TiS2—S) composite particle contains a titanium disulfide (TiS2) substrate having solid elemental sulfur (S) disposed directly on a surface of the TiS2. The TiS2 substrate has a layered crystalline hexagonal structure of space group P-3 ml and includes at least 100 distinct layers. The TiS2 and S are present in the composite in a weight ratio (TiS2:S) of 20:80 to 50:50. Cathodes and batteries containing the composite particle, as well as related methods, are also disclosed.
Owner:CORNELL UNIVERSITY +1
Preparation method, product and application of oxygen-deficient titanium disulfide and carbon nano-disc photocatalytic material
ActiveCN112604698ALarge specific surface areaImprove photocatalytic performancePhysical/chemical process catalystsWater/sewage treatment by irradiationTitanium disulfideAlkane
The invention provides a preparation method of an oxygen-deficient titanium disulfide and carbon nano-disc photocatalytic material, and the method comprises the following steps: adding organic titanium salt into oleylamine, stirring, introducing inert gas, and performing heating to sufficiently mix the solution; injecting mercaptan into the solution, performing stirring and heating, keeping the temperature for 20-30 minutes, and performing natural cooling to room temperature; dropwise adding the obtained solution into liquid alkane, and separating and drying precipitates to obtain a titanium disulfide@C nano disc; placing the pure titanium disulfide@C nanodisk in a hydrogen atmosphere, and performing calcining to obtain the oxygen-deficient titanium disulfide@C nanodisk. According to the preparation method of the oxygen-deficient titanium disulfide and carbon nano-disc photocatalytic material, the titanium disulfide and carbon nano-disc photocatalytic material has a large specific surface area, and the oxygen-deficient defects play an important role in improving the photocatalytic performance of the material. The photocatalytic performance of the material is favorably improved. Under the condition of ultraviolet light catalysis, after 60 min, the degradation rate of tetracycline reaches 99.8%. The preparation process is relatively simple and easy to operate.
Owner:SHANGHAI NAT ENG RES CENT FORNANOTECH
Method for synthesizing organic molecular interlayer titanium disulfide compound
InactiveCN102557123ALow thermal conductivityImprove thermoelectric performanceTitanium compoundsTitanium disulfideHigh pressure
The invention discloses a method for synthesizing an organic molecular interlayer titanium disulfide compound. The method comprises the following steps of: synthesizing a pure-phase compound TiS2, grinding into powder, and preparing an organic matter solution at a certain molar concentration; weighing a proper amount of TiS2 powder, and adding the powder into the organic matter solution; and stirring fully, adding the solution into an inner container of a high-pressure autoclave, sealing, putting into a drying oven, keeping the temperature of between 120 and 150 DEG C, washing for multiple times, filtering and drying to obtain the organic molecular interlayer titanium disulfide compound. By the method, the heat conductivity of the TiS2 is reduced effectively, and a simple and quick method for improving the thermoelectric performance of the TiS2 is provided.
Owner:HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
Preparation method and application of a tin oxide-based solar cell nanomaterial
InactiveCN108417649BPhotocatalytic performance unchangedEasy to form into tabletsMaterial nanotechnologyWater/sewage treatment by irradiationTitanium disulfideElectrical battery
Owner:HUNAN UNIV OF ARTS & SCI
A kind of titanium disulfide nanosheet/graphene composite counter electrode and preparation method thereof
ActiveCN104992843BHigh catalytic activityImprove conductivityLight-sensitive devicesFinal product manufactureTitanium disulfideSlurry
The present invention relates to the field of solar cell technology and provides a titanium disulfide nano sheet / graphene composite material counter electrode preparation method. The method comprises the steps of (1) taking graphene oxide, titanium powder and sulfur powder as precursors to experience mechanical milling mixing, (2) allowing the mixture obtained in step (1) to experience high-temperature annealing under an inert atmosphere, and cooling the mixture to a room temperature to obtain a composite material whose sulfide nano sheet vertically grows on a graphene surface, (3) uniformly grinding the obtained composite material and a binder, and coating slurry to a conductive layer, and (4) allowing the conductive layer which is coated by the slurry obtained in step (3) to experience heating and annealing processing under the protection of the inert atmosphere, and cooling the conductive layer to the room temperature to obtain a target counter electrode. According to the method, the preparation process is simple, the cost of a raw material is low, the method is suitable for high-volume industrial preparation, compared with a traditional platinum counter electrode, the platinum counter electrode with high price, insufficient resource and poor stability can be substituted, and the method has an important meaning for the reduction of the cost of a dye-sensitized solar cell.
Owner:DALIAN UNIV OF TECH
A doped lithium battery cathode material
ActiveCN107240699BExtended working hoursExtended service lifeCell electrodesTitanium disulfideManganese sulfide
Owner:ZHEJIANG MEIDU HITRANS LITHIUM BATTERY TECHNOLOGY CO LTD
Method for synthesizing titanium disulfide by mechanical ball milling
PendingCN110526285AImprove operational safetyRational use of resourcesTitanium sulfidesTitanium disulfideRoom temperature
The invention discloses a method for synthesizing titanium disulfide by mechanical ball milling. The titanium disulfide is prepared from the steps that titanium tetrachloride and lithium sulfide are used as raw materials, titanium disulfide powder and titanium tetrachloride are added to a sealed ball milling tank according to a certain ratio under inert gas shielding, operation is performed for aperiod time in a certain rotating speed at a room temperature, after the ball milling reaction is completed, a removed mixture is distilled, filtered, washed and dried, and the titanium disulfide is obtained. The method is simple in process and high in safety.
Owner:ZHEJIANG UNIV OF TECH
A kind of preparation method of two-dimensional nanometer titanium disulfide and thin film electrode thereof
ActiveCN108573813BImprove stabilityExtended service lifeLight-sensitive devicesPhotovoltaic energy generationTitanium disulfideThiourea
The invention relates to preparation methods of 2D nanometer titanium disulfide and a 2D nanometer titanium disulfide film electrode, and belongs to the technical field of electrochemistry. The preparation method of 2D nanometer titanium disulfide comprises the following steps that a sulfur source, a solvent and titanium tetrachloride are added to an autoclave, and make reaction for 0.5-12 hours at the temperature of 180-300 DEG C; the sulfur source and the titanium tetrachloride is in the mol ratio of 1: (0.09-2), the amount of the solvent is 40-70% of the volume of the autoclave, the sulfursource includes thiourea or dimethylthiourea, and the solvent includes toluene or xylene. The 2D nanometer titanium disulfide film electrode and the 2D nanometer titanium disulfide flexible adhesive tape based electrode are obtained in a coating method, and the 2D nanometer titanium disulfide film electrode is also prepared in an in-situ growth method, and the electrodes are high in stability andphotoelectric performance and long in service life, and can used to replace a platinum electrode.
Owner:HENAN UNIVERSITY
Preparation methods of 2D nanometer titanium disulfide and 2D nanometer titanium disulfide film electrode
ActiveCN108573813AImprove stabilityExtended service lifeLight-sensitive devicesPhotovoltaic energy generationTitanium disulfideThiourea
The invention relates to preparation methods of 2D nanometer titanium disulfide and a 2D nanometer titanium disulfide film electrode, and belongs to the technical field of electrochemistry. The preparation method of 2D nanometer titanium disulfide comprises the following steps that a sulfur source, a solvent and titanium tetrachloride are added to an autoclave, and make reaction for 0.5-12 hours at the temperature of 180-300 DEG C; the sulfur source and the titanium tetrachloride is in the mol ratio of 1: (0.09-2), the amount of the solvent is 40-70% of the volume of the autoclave, the sulfursource includes thiourea or dimethylthiourea, and the solvent includes toluene or xylene. The 2D nanometer titanium disulfide film electrode and the 2D nanometer titanium disulfide flexible adhesive tape based electrode are obtained in a coating method, and the 2D nanometer titanium disulfide film electrode is also prepared in an in-situ growth method, and the electrodes are high in stability andphotoelectric performance and long in service life, and can used to replace a platinum electrode.
Owner:HENAN UNIVERSITY
A kind of preparation method of titanium disulfide nano-sheet with high purity and high crystallinity
ActiveCN103991900BHigh crystallinityIncrease expansionMaterial nanotechnologyTitanium compoundsTitanium disulfideHexagonal crystal system
The invention discloses a preparation method of high-purity and high-crystallinity titanium disulfide nanometer plates. A layer-like TiS2 nanometer plate has good electronic mobility and good intercalation performance and is applicable to a cathode material of a lithium ion battery, a super capacitor and the like. By adopting a two-step liquid-phase colloid synthesis technology, the preparation method can be used for synthesizing hexagonal crystal system type high-purity high-crystallinity TiS2 nanometer plates through reaction of a titanium source, a sulfur source and a surfactant. The preparation method comprises the following steps: firstly uniformly mixing the titanium source with the surfactant, then filling the sulfur source, heating to a specified temperature and preserving heat for a certain time so as to generate the high-purity high-crystallinity TiS2 nanometer plates different in thickness. The preparation method disclosed by the invention is moderate in reaction condition, simple in preparation process, easy to control and good in repeatability. The TiS2 nanometer plates obtained through the preparation method disclosed by the invention are uniform in size and shape, controllable in size, good in crystallinity and high in purity.
Owner:NANJING UNIV OF SCI & TECH
Preparation method, product and application of an oxygen-deficient titanium disulfide@carbon nanodisk photocatalytic material
ActiveCN112604698BLarge specific surface areaImprove photocatalytic performancePhysical/chemical process catalystsWater/sewage treatment by irradiationTitanium disulfideAlkane
The invention provides a preparation method of an oxygen-deficient titanium disulfide@carbon nanodisk photocatalytic material. The organic titanium salt is added to oleylamine and stirred, an inert gas is introduced, and the solution is heated to be fully mixed; and mercaptan is injected into the above solution, Stir and heat, keep at this temperature for 20-30 min, and naturally cool to room temperature; drop the obtained solution into liquid alkane, and separate and dry the precipitate to obtain titanium disulfide@C nanodiscs; pure titanium disulfide@C nanodiscs The disks were placed in a hydrogen atmosphere and calcined to obtain oxygen-deficient titanium disulfide@C nanodisks. The invention provides a preparation method of an oxygen-deficient titanium disulfide@carbon nano-disk photocatalytic material. The titanium disulfide@carbon nano-disk photocatalytic material has a larger specific surface area, and the oxygen-deficient defect plays an important role in improving the photocatalytic performance of the material. plays a very important role. It is beneficial to improve the photocatalytic performance of the material. Under UV photocatalytic conditions, the degradation of tetracycline reached 99.8% after 60 min. The preparation process is relatively simple and easy to operate.
Owner:SHANGHAI NAT ENG RES CENT FORNANOTECH
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