CN105810942A - Preparation method of vanadium tetrasulfide nano-powder and application - Google Patents

Preparation method of vanadium tetrasulfide nano-powder and application Download PDF

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Publication number
CN105810942A
CN105810942A CN201610285836.XA CN201610285836A CN105810942A CN 105810942 A CN105810942 A CN 105810942A CN 201610285836 A CN201610285836 A CN 201610285836A CN 105810942 A CN105810942 A CN 105810942A
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vanadic
preparation
solution
nano
sulfide nano
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Inventor
黄剑锋
***
王海静
李瑞梓
费杰
曹丽云
任杰
任一杰
罗晓敏
闻稼宝
井宣人
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Shaanxi University of Science and Technology
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Shaanxi University of Science and Technology
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/58Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
    • H01M4/581Chalcogenides or intercalation compounds thereof
    • H01M4/5815Sulfides
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • H01M10/0525Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/054Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The invention provides a preparation method of vanadium tetrasulfide nano-powder and an application. The method comprises the following steps: firstly, mixing a vanadium source solution with a sulfur source solution, stirring the mixture until semi-clear and then adding an acid or alkali solution to adjust the pH of a reaction liquid; transferring the reaction liquid to a homogeneous reaction instruction for hydrothermal reaction; and finally cooling the reacted product and then washing, collecting and drying the product to obtain the vanadium tetrasulfide nano-powder. According to the method, the technology is is simple and easy to control; and the prepared vanadium tetrasulfide nano-powder is uniform in chemical composition and relatively high in purity, and demonstrates excellent electrochemical properties when used as an electrode material for a lithium/sodium-ion battery. Furthermore, the disadvantage of a high temperature of a traditional calcination method is overcome; large equipment and harsh reaction conditions are not needed; and the method is cheap and available in raw material, low in cost, high in productivity, free of after-treatment and friendly to environment, and can be suitable for large-scale production.

Description

The preparation method of a kind of four vanadic sulfide nano-powders and application
[technical field]
The preparation method that the present invention relates to a kind of ion secondary battery electrode material, is specifically related to preparation method and the application of a kind of four vanadic sulfide nano-powders.
[background technology]
Lithium ion battery is widely used in portable electronic market due to the advantage such as have running voltage height, capacity is high, self discharge is little and has extended cycle life.But, the lithium resource in the whole world will be unable to effectively meet the great demand [TarasconJM of power lithium-ion battery, ArmandM.Issuesandchallengesfacingrechargeablelithiumbatt eries [J] .Nature, 2001,414 (6861): 359-367].Sodium-ion battery is owing to having the feature such as aboundresources, with low cost, environmental friendliness, it it is considered as the ideal chose substituting lithium ion battery as electric powered motor power supply of future generation and the extensive supporting power supply of energy-accumulating power station, therefore the storage sodium electrode material seeking high power capacity and excellent cycling performance has become the study hotspot [SlaterMD in current battery field, KimD, LeeE, etal.Sodium IonBatteries [J] .AdvancedFunctionalMaterials, 2013,23 (8): 947-958].
At present, anode material of lithium-ion battery research is concentrated mainly on hard carbon/soft carbon, alloy material, compound and organic material etc..The transient metal sulfides such as molybdenum, tungsten and vanadium are the comparatively ideal lithium ion of analogy and anode material of lithium-ion batteries, because this kind of sulfide generally has layer structure, their interlamellar spacing is all relatively larger, and with lithium and sodium electrochemical reaction process, lithium ion and sodium ion can be embedded into layer structure.And this kind of sulfide another one important feature is to there is Van der Waals force between layer gap, and it can provide the embedded space of lithium ion or sodium ion.When lithium ion or sodium ion generation insertion reaction, react in generating process a complete charging, existing lithium ion or sodium ion are by being diffused into lamellar spacing storage lithium (sodium), and same also generation reducing metal ions is lower valency storage lithium (sodium).Particularly nearest grind to make internal disorder or usurp show, transition metal dichalcogenide, by the material with carbon element compound with high connductivity, forms MoS2、WS2And VS2The composite such as carbon fiber and Graphene show fabulous storage lithium or storage sodium performance [Zhai Baihua. the synthesis of sulfide composite and storage lithium (sodium) performance study [D] thereof. Hunan University, 2014].
But it is concentrated mainly on the research of molybdenum sulfide and tungsten sulfide as the report of anode material of lithium-ion battery about transient metal sulfide.Report about vanadic sulfide is also concentrated mainly on vanadium disulfide, and many researcheres report prepares the vanadium disulfide with nanometer sheet, nanometer flower structure by hydro-thermal method.And owing to the synthesis condition of four vanadic sulfides is harsh, reaction is difficult to control to, result in the progress to it always relatively slowly.Rare especially as the report of lithium/sodium ion battery electrode material about it.
[summary of the invention]
It is an object of the invention to provide the preparation method of a kind of four vanadic sulfide nano-powders and application, the method is simple to operate, reaction temperature is low, reaction time is short, and the four vanadic sulfide chemical constituents prepared are homogeneous, and purity is high.
To achieve these goals, the present invention adopts the following technical scheme that
A kind of preparation method of four vanadic sulfide nano-powders, first vanadium source solution and sulfur source solution are mixed, vanadium sulfur mol ratio controls at 1:2~1:10, and stirring is that half clear state obtains suspension to mixed solution, and now the concentration in vanadium source is 0.06~0.6mol/L, the pH regulating suspension is acid or alkalescence, making it be completely dissolved, then carry out hydro-thermal reaction, reaction terminates rear natural cooling, washing, collection, drying, can obtain four vanadic sulfide nano-powders.
Further, the temperature of described hydro-thermal reaction is 120~200 DEG C, and the time is 6~36h.
Further, described pH value range for 1~10.
Further, the alr mode in described is magnetic agitation or ultrasonic disperse.
Further, the pH acid solution of described adjustment suspension or alkali liquor are adjusted;Described acid solution is hydrochloric acid solution or sulfuric acid solution;Described alkali liquor is sodium hydroxide solution, ammonia or potassium hydroxide solution.
Further, described washing, collection, drying detailed process be: by product wash for several times, alcohol wash collect afterwards for several times, and when 60~120 DEG C dry 6~24h.
Further, described mode of washing is filtering and washing or centrifuge washing, and collection mode is collected by suction or centrifugal collection.
Further, described vanadium source is one or more in sodium metavanadate, vanadic acid sodium, ammonium metavanadate, vanadic anhydride and potassium metavanadate.
Further, described sulfur source is one or more in thioacetamide, sodium oiethyl dithiocarbamate and sulfur simple substance.
The application of a kind of four vanadic sulfide nano-powders prepared by said method, this four vanadic sulfides application of nanopowder is in sodium/lithium/Magnesium ion battery or photocatalysis field.
Relative to prior art, the present invention at least has the advantages that
The present invention adopts low-temperature hydrothermal synthetic method to be prepared for four vanadic sulfide nano-powders, the method overcome the shortcoming that conventional calcination method temperature is high, and do not need main equipment and harsh reaction condition, cheaper starting materials is easy to get, cost is low, and productivity is high, it is not necessary to the later stage processes, environmentally friendly, it is possible to be suitable for large-scale production.Meanwhile, the method technique is simple and easy to control, and four vanadic sulfide nano-powder chemical compositions of preparation are homogeneous, and purity is higher, shows the chemical property of excellence when it is as lithium/sodium ion battery electrode material.Additionally, by regulating reactant ratio and reaction pH, it is possible to obtain a series of four vanadic sulfides with different nano-scale and microstructure, and then can by its classification application in different fields.
[accompanying drawing explanation]
Fig. 1 is X-ray diffraction (XRD) collection of illustrative plates of four vanadic sulfide nano-powders of the embodiment of the present invention 1 preparation;
Fig. 2 is scanning electron microscope (SEM) photo of four vanadic sulfide nano-powders of the embodiment of the present invention 1 preparation;
Fig. 3 is scanning electron microscope (SEM) photo of four vanadic sulfide nano-powders of the embodiment of the present invention 2 preparation.
[detailed description of the invention]
Below in conjunction with drawings and Examples, the present invention is described in further detail.
The preparation method of a kind of four vanadic sulfide nano-powders, comprises the following steps:
Step one: prepare certain density hydrochloric acid solution and sodium hydroxide solution, for regulating the pH value of reaction solution.Hydrochloric acid solution can also is that sulfuric acid solution, sodium hydroxide solution can also is that ammonia or potassium hydroxide solution.
Step 2: vanadium source solution and sulfur source solution are mixed, vanadium sulfur mol ratio controls at 1:2~1:10, magnetic agitation or ultrasonic disperse to mixed solution are that half clear state obtains suspension A, now the concentration in vanadium source is 0.06~0.6mol/L, the pH regulating suspension is acid or alkalescence, pH value is 1~10 so that it is is completely dissolved, obtains solution B.
Vanadium source is one or more in sodium metavanadate, vanadic acid sodium, ammonium metavanadate, vanadic anhydride and potassium metavanadate.Sulfur source is one or more in thioacetamide, sodium oiethyl dithiocarbamate and sulfur simple substance.
The rotating speed of magnetic agitation is 300~1000r/min, and the time of stirring and ultrasonic disperse is 10~60min.
Step 3: solution B transferred in hydro-thermal reaction liner, installs outer still additional and is placed in homogeneous reaction instrument, reacts 6~36h when the synthesis temperature of 120~200 DEG C.
Step 4: terminate until hydro-thermal reaction and product taken out after natural cooling, wash 2~5 times, collects after alcohol wash 2~5 times, and when 60~120 DEG C drying 6~24h, four vanadic sulfide nano-powders can be obtained.Mode of washing is filtering and washing or centrifuge washing, and collection mode is collected by suction or centrifugal collection.
The present invention can obtain a series of four vanadic sulfide nano-powders with different size and microstructure by regulating reactant ratio and reacting solution pH value.Four prepared vanadic sulfide nano-powders primarily can be used in sodium/lithium/Magnesium ion battery, it is also possible to is applied to photocatalysis field.
It is described in detail below by specific embodiment.
Embodiment 1
Step one: the hydrochloric acid solution of configuration 3mol/L, for regulating the pH value of reaction solution.
Step 2: weigh sodium metavanadate and thioacetamide is dissolved in deionized water, then vanadium source solution and sulfur source solution are mixed, vanadium sulfur mol ratio controls at 1:4, and then under the rotating speed of 700r/min, magnetic agitation 30min obtains suspension A until solution is half clear state, now the concentration in vanadium source is 0.1mol/L, then drip hydrochloric acid solution to suspension A, until solution ph reaches 1, obtain solution B.Described magnetic agitation can substitute with ultrasonic disperse.
Step 3: solution B transferred in hydro-thermal reaction liner, installs outer still additional and is placed in homogeneous reaction instrument, reacts 24h when the synthesis temperature of 180 DEG C.
Step 4: terminate until hydro-thermal reaction and product taken out after natural cooling, wash 3 times, collects after alcohol wash 3 times, and when 60 DEG C drying 12h, four vanadic sulfide nano-powders can be obtained.Mode of washing is filtering and washing or centrifuge washing, and collection mode is collected by suction or centrifugal collection.
From figure 1 it appears that all of X-ray powder diffraction peak can index be all four vanadic sulfide nano-powders, and occurring almost without other impurity peaks, therefore embodiment 1 is the high-purity four vanadic sulfide nano-powder of synthesis.
From Fig. 2, can be clearly seen that nanometer rods is wound in spherical by the form of self assembly.
Embodiment 2
Step one: the hydrochloric acid solution of configuration 5mol/L, for regulating the pH value of reaction solution.
Step 2: weigh sodium metavanadate and thioacetamide is dissolved in deionized water, then vanadium source solution and sulfur source solution are mixed, vanadium sulfur mol ratio controls at 1:2, and then under the rotating speed of 700r/min, magnetic agitation 30min obtains suspension A until solution is half clear state, now the concentration in vanadium source is 0.06mol/L, then drip hydrochloric acid solution to suspension A, until solution ph reaches 7, obtain solution B.Described magnetic agitation can substitute with ultrasonic disperse.
Step 3: solution B transferred in hydro-thermal reaction liner, installs outer still additional and is placed in homogeneous reaction instrument, reacts 24h when the synthesis temperature of 180 DEG C.
Step 4: terminate until hydro-thermal reaction and product taken out after natural cooling, wash 3 times, collects after alcohol wash 3 times, and when 60 DEG C drying 12h, four vanadic sulfide nano-powders can be obtained.Mode of washing is filtering and washing or centrifuge washing, and collection mode is collected by suction or centrifugal collection.
As can be seen from Figure 3 nano-particle defines ball by the mode of self assembly.
Embodiment 3
Step one: the sodium hydroxide solution of configuration 0.5mol/L, for regulating the pH value of reaction solution.
Step 2: weigh sodium metavanadate and thioacetamide is dissolved in deionized water, then vanadium source solution and sulfur source solution are mixed, vanadium sulfur mol ratio controls at 1:6, and then under the rotating speed of 300r/min, magnetic agitation 10min obtains suspension A until solution is half clear state, now the concentration in vanadium source is 0.2mol/L, then drip hydrochloric acid solution to suspension A, until solution ph reaches 10, obtain solution B.Described magnetic agitation can substitute with ultrasonic disperse.
Step 3: solution B transferred in hydro-thermal reaction liner, installs outer still additional and is placed in homogeneous reaction instrument, reacts 36h when the synthesis temperature of 160 DEG C.
Step 4: terminate until hydro-thermal reaction and product taken out after natural cooling, wash 2 times, collects after alcohol wash 2 times, and when 80 DEG C drying 6h, four vanadic sulfide nano-powders can be obtained.Mode of washing is filtering and washing or centrifuge washing, and collection mode is collected by suction or centrifugal collection.
Embodiment 4
Step one: the hydrochloric acid solution of configuration 0.5mol/L, for regulating the pH value of reaction solution.
Step 2: weigh sodium metavanadate and thioacetamide is dissolved in deionized water, then vanadium source solution and sulfur source solution are mixed, vanadium sulfur mol ratio controls at 1:8, and then under the rotating speed of 500r/min, magnetic agitation 60min obtains suspension A until solution is half clear state, now the concentration in vanadium source is 0.1mol/L, then drip hydrochloric acid solution to suspension A, until solution ph reaches 5, obtain solution B.Described magnetic agitation can substitute with ultrasonic disperse.
Step 3: solution B transferred in hydro-thermal reaction liner, installs outer still additional and is placed in homogeneous reaction instrument, reacts 12h when the synthesis temperature of 120 DEG C.
Step 4: terminate until hydro-thermal reaction and product taken out after natural cooling, wash 4 times, collects after alcohol wash 4 times, and when 100 DEG C drying 24h, four vanadic sulfide nano-powders can be obtained.Mode of washing is filtering and washing or centrifuge washing, and collection mode is collected by suction or centrifugal collection.
Embodiment 5
Step one: the sodium hydroxide solution of configuration 5mol/L, for regulating the pH value of reaction solution.
Step 2: weigh sodium metavanadate and thioacetamide is dissolved in deionized water, then vanadium source solution and sulfur source solution are mixed, vanadium sulfur mol ratio controls at 1:10, and then under the rotating speed of 1000r/min, magnetic agitation 20min obtains suspension A until solution is half clear state, now the concentration in vanadium source is 0.06mol/L, then drip hydrochloric acid solution to suspension A, until solution ph reaches 10, obtain solution B.Described magnetic agitation can substitute with ultrasonic disperse.
Step 3: solution B transferred in hydro-thermal reaction liner, installs outer still additional and is placed in homogeneous reaction instrument, reacts 12h when the synthesis temperature of 200 DEG C.
Step 4: terminate until hydro-thermal reaction and product taken out after natural cooling, wash 5 times, collects after alcohol wash 5 times, and when 120 DEG C drying 24h, four vanadic sulfide nano-powders can be obtained.Mode of washing is filtering and washing or centrifuge washing, and collection mode is collected by suction or centrifugal collection.
Relative to prior art, the present invention at least has the advantages that
The present invention adopts low-temperature hydrothermal synthetic method to be prepared for four vanadic sulfide nano-powders, the shortcoming the method overcoming conventional calcination method high temperature, and do not need main equipment and harsh reaction condition, cheaper starting materials is easy to get, cost is low, and productivity is high, it is not necessary to the later stage processes, environmentally friendly, it is possible to be suitable for large-scale production.Meanwhile, the method technique is simple and easy to control, and four vanadic sulfide nano-powder chemical compositions of preparation are homogeneous, and purity is higher, shows the chemical property of excellence when it is as lithium/sodium ion battery electrode material.Additionally, by regulating reactant ratio and reaction pH, it is possible to obtain a series of four vanadic sulfides with different nanostructured, and then can by its classification application in different fields.

Claims (10)

1. the preparation method of a vanadic sulfide nano-powder, it is characterized in that, first vanadium source solution and sulfur source solution being mixed, vanadium sulfur mol ratio controls at 1:2~1:10, stirring is that half clear state obtains suspension to mixed solution, now the concentration in vanadium source is 0.06~0.6mol/L, and the pH regulating suspension is acid or alkalescence so that it is be completely dissolved, then hydro-thermal reaction is carried out, reaction terminates rear natural cooling, washing, collection, drying, can obtain four vanadic sulfide nano-powders.
2. the preparation method of a kind of four vanadic sulfide nano-powders according to claim 1, it is characterised in that the temperature of described hydro-thermal reaction is 120~200 DEG C, and the time is 6~36h.
3. the preparation method of a kind of four vanadic sulfide nano-powders according to claim 1, it is characterised in that described alr mode is magnetic agitation or ultrasonic disperse.
4. the preparation method of a kind of four vanadic sulfide nano-powders according to claim 1, it is characterised in that described adjustment pH value range for 1~10.
5. the preparation method of a kind of four vanadic sulfide nano-powders according to claim 1 or 4, it is characterised in that the pH acid solution or the alkali liquor that regulate suspension are adjusted;Described acid solution is hydrochloric acid solution or the sulfuric acid solution of variable concentrations;Described alkali liquor is the sodium hydroxide solution of variable concentrations, ammonia or potassium hydroxide solution.
6. the preparation method of a kind of four vanadic sulfide nano-powders according to claim 1, it is characterized in that, described washing, collection, drying detailed process be: by product wash for several times, alcohol wash for several times until after free from admixture collect, finally when 60~120 DEG C dry 6~24h.
7. the preparation method of a kind of four vanadic sulfide nano-powders according to claim 1, it is characterised in that described mode of washing is filtering and washing or centrifuge washing, collection mode is collected by suction or centrifugal collection.
8. the preparation method of any one the four vanadic sulfides nano-powder according to claim 1 to 7, it is characterised in that described vanadium source is one or more in sodium metavanadate, vanadic acid sodium, ammonium metavanadate, vanadic anhydride and potassium metavanadate.
9. the preparation method of any one the four vanadic sulfides nano-powder according to claim 1 to 7, it is characterised in that described sulfur source is one or more in thioacetamide, sodium oiethyl dithiocarbamate and sulfur simple substance.
10. the application of four vanadic sulfide nano-powders prepared by a method according to claim 1, it is characterised in that this four vanadic sulfides application of nanopowder is in sodium/lithium/Magnesium ion battery or photocatalysis field.
CN201610285836.XA 2016-04-29 2016-04-29 Preparation method of vanadium tetrasulfide nano-powder and application Pending CN105810942A (en)

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Cited By (13)

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CN107221646A (en) * 2017-07-13 2017-09-29 陕西科技大学 A kind of vanadium disulfide nanometer sheet of hydroxide vanadyl cladding and its preparation method and application
CN107381636A (en) * 2017-07-11 2017-11-24 陕西科技大学 A kind of vanadic sulfide powder of nano-particles self assemble three dimensional micron cauliflower-shaped four and its preparation method and application
CN108110246A (en) * 2017-12-22 2018-06-01 陕西科技大学 A kind of extra small VS4/ Super P composite nano-powders and preparation method and application
CN108598432A (en) * 2018-05-02 2018-09-28 电子科技大学 A kind of preparation method of four vanadic sulfides/graphene composite material for sodium-ion battery electrode
CN108821348A (en) * 2018-09-17 2018-11-16 陕西科技大学 A kind of cobalt sulfide nanometer sheet material and preparation method thereof
CN108862381A (en) * 2018-06-26 2018-11-23 中国科学院宁波材料技术与工程研究所 Four vanadic sulfide electrode materials of one kind and its preparation method and application
CN109148857A (en) * 2018-08-28 2019-01-04 中南大学 A kind of preparation method of four vanadic sulfides of anode material of lithium-ion battery/carbon nanotube
CN109748319A (en) * 2019-02-26 2019-05-14 陕西科技大学 A kind of preparation method and application of four vanadic sulfides@carbon nano-tube composite powder
CN110129552A (en) * 2019-06-21 2019-08-16 东北大学 A method of vanadic sulfide material is prepared using containing vanadium leachate
CN110247050A (en) * 2019-06-21 2019-09-17 东北大学 A method of four vanadic sulfides/graphene composite material is prepared using containing vanadium leachate
CN110282660A (en) * 2019-07-03 2019-09-27 中国计量大学 A kind of four vanadic sulfide powder of nano bar-shape and its preparation method and application
CN113130863A (en) * 2021-03-22 2021-07-16 郑州大学 VS (virtual switch)4/rGO composite material, preparation method thereof and application in zinc ion battery
CN113410439A (en) * 2021-05-14 2021-09-17 华南理工大学 Vanadium trisulfide/nitrogen-doped carbon spherical core-shell structure material and preparation method and application thereof

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CN107381636A (en) * 2017-07-11 2017-11-24 陕西科技大学 A kind of vanadic sulfide powder of nano-particles self assemble three dimensional micron cauliflower-shaped four and its preparation method and application
CN107221646B (en) * 2017-07-13 2019-07-16 陕西科技大学 A kind of vanadium disulfide nanometer sheet and its preparation method and application of hydroxide vanadyl cladding
CN107221646A (en) * 2017-07-13 2017-09-29 陕西科技大学 A kind of vanadium disulfide nanometer sheet of hydroxide vanadyl cladding and its preparation method and application
CN108110246A (en) * 2017-12-22 2018-06-01 陕西科技大学 A kind of extra small VS4/ Super P composite nano-powders and preparation method and application
CN108598432A (en) * 2018-05-02 2018-09-28 电子科技大学 A kind of preparation method of four vanadic sulfides/graphene composite material for sodium-ion battery electrode
CN108862381A (en) * 2018-06-26 2018-11-23 中国科学院宁波材料技术与工程研究所 Four vanadic sulfide electrode materials of one kind and its preparation method and application
CN109148857A (en) * 2018-08-28 2019-01-04 中南大学 A kind of preparation method of four vanadic sulfides of anode material of lithium-ion battery/carbon nanotube
CN108821348A (en) * 2018-09-17 2018-11-16 陕西科技大学 A kind of cobalt sulfide nanometer sheet material and preparation method thereof
CN108821348B (en) * 2018-09-17 2021-02-19 陕西科技大学 Cobalt sulfide nanosheet material and preparation method thereof
CN109748319A (en) * 2019-02-26 2019-05-14 陕西科技大学 A kind of preparation method and application of four vanadic sulfides@carbon nano-tube composite powder
CN110129552A (en) * 2019-06-21 2019-08-16 东北大学 A method of vanadic sulfide material is prepared using containing vanadium leachate
CN110247050A (en) * 2019-06-21 2019-09-17 东北大学 A method of four vanadic sulfides/graphene composite material is prepared using containing vanadium leachate
CN110282660A (en) * 2019-07-03 2019-09-27 中国计量大学 A kind of four vanadic sulfide powder of nano bar-shape and its preparation method and application
CN110282660B (en) * 2019-07-03 2022-02-11 中国计量大学 Nano rod-shaped vanadium tetrasulfide powder and preparation method and application thereof
CN113130863A (en) * 2021-03-22 2021-07-16 郑州大学 VS (virtual switch)4/rGO composite material, preparation method thereof and application in zinc ion battery
CN113410439A (en) * 2021-05-14 2021-09-17 华南理工大学 Vanadium trisulfide/nitrogen-doped carbon spherical core-shell structure material and preparation method and application thereof
CN113410439B (en) * 2021-05-14 2022-09-16 华南理工大学 Vanadium trisulfide/nitrogen-doped carbon spherical core-shell structure material and preparation method and application thereof

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