CN108390062A - A kind of preparation method and applications of sodium-ion battery cathode stainless (steel) wire load molybdenum disulfide nano sheet - Google Patents
A kind of preparation method and applications of sodium-ion battery cathode stainless (steel) wire load molybdenum disulfide nano sheet Download PDFInfo
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- CN108390062A CN108390062A CN201810129378.XA CN201810129378A CN108390062A CN 108390062 A CN108390062 A CN 108390062A CN 201810129378 A CN201810129378 A CN 201810129378A CN 108390062 A CN108390062 A CN 108390062A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection 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
- H01M4/581—Chalcogenides or intercalation compounds thereof
- H01M4/5815—Sulfides
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
A kind of preparation method and applications of sodium-ion battery cathode stainless (steel) wire load molybdenum disulfide nano sheet, include the following steps：Sodium molybdate, thiocarbamide and polyethylene glycol are dissolved according to mass ratio in deionized water, mixed liquor is obtained；Gained mixed liquor in step 1 is stirred on magnetic stirring apparatus；Stainless (steel) wire is washed using ultrasonic washing instrument, is then cut into 1cm × 3cm stainless (steel) wire items；The solution that is transparent stirred evenly in step 2 is transferred in reaction kettle, and the stainless (steel) wire that step 3 is cleaned is added, reaction kettle is placed and then obtains the stainless (steel) wire load molybdenum disulfide nano sheet that black is presented in surface after reaction in an oven；The black stainless (steel) wire load molybdenum disulfide nano sheet of gained in step 4 is rinsed with deionized water；Black stainless (steel) wire load molybdenum disulfide nano sheet after flushing is placed in baking oven and obtains final products stainless (steel) wire load molybdenum disulfide nano sheet, preparation condition of the present invention is not harsh, and method is easy to operate.
Description
Technical field
The present invention relates to battery material technical field, more particularly to a kind of sodium-ion battery cathode stainless (steel) wire loads two sulphur
Change the preparation method and applications of molybdenum nanometer sheet.
Background technology
With the fast development of extensive intelligent grid and the popularization reference of electric vehicle, lithium ion battery can not expire
The growing demand of sufficient people, and Sodium distribution is extensive, development cost is cheap, and battery more has low cost, high security
The characteristics of, therefore sodium-ion battery (SIB) is considered as the secondary cell system for having very much development potentiality.Currently, in the world one
Sodium-ion battery technology is classified as an important basic and perspective study and led by the relatively advanced country of a little battery technologies
Domain, and as the following energy-storage battery technological development direction paid close attention to.Try to explore specific capacity height, have extended cycle life, safety
The novel anode material of lithium-ion battery system that performance is good, temperature use scope is wide has become research and development high-performance sodium in the world
The common problem of ion secondary battery electrode material.
Invention content
In order to solve the above technical problems, the purpose of the present invention is to provide a kind of sodium-ion battery cathode stainless (steel) wires to bear
The preparation method and applications of molybdenum disulfide nano sheet are carried, the material feedstock is cheap and easy to get, and preparation condition is not harsh, method operation
Simply, simple hydrothermal synthesis method is mainly used, and directly uses stainless (steel) wire as collector, has both eliminated the work of smear
Skill, and influence of the binder to electric conductivity is reduced, there is higher practical value, and technological process is short, is very suitable for work
Industryization uses.
To achieve the goals above, the technical solution adopted by the present invention is：
A kind of preparation method of sodium-ion battery cathode stainless (steel) wire load molybdenum disulfide nano sheet, includes the following steps：
Step 1：
By sodium molybdate, thiocarbamide and polyethylene glycol according to 25:(12~30):1 mass ratio is dissolved in deionized water, is obtained
To mixed liquor；
Step 2：
Gained mixed liquor in step 1 is stirred evenly on magnetic stirring apparatus until solution is transparent；
Step 3：
Stainless (steel) wire is washed using ultrasonic washing instrument, makes its surface that metallic luster be presented, is then cut into 1cm × 3cm
Stainless (steel) wire item；
Step 4：
The solution that is transparent stirred evenly in step 2 is transferred in totally dry reaction kettle, and step 3 is added
The stainless (steel) wire cleaned is placed reaction kettle in an oven, at a certain temperature hydro-thermal reaction certain time, after reaction
Then obtain the stainless (steel) wire load molybdenum disulfide nano sheet that black is presented in surface；
Step 5：
The black stainless (steel) wire load molybdenum disulfide nano sheet deionized water of gained in step 4 is rinsed 3 times；
Step 6：
Black stainless (steel) wire load molybdenum disulfide nano sheet after deionized water is rinsed is placed in 70 DEG C of baking ovens 12 hours
After obtain final products stainless (steel) wire load molybdenum disulfide nano sheet.
The stainless (steel) wire load molybdenum disulfide nano sheet can be directly used for anode material of lithium-ion battery.
The molar ratio of molybdenum source and sulphur source is 1 in the step one:(1~3).
Thiourea concentration is per 0.1-0.4g thiocarbamides in 32.5ml solution in the step one.
Contain 0.01 polyethylene glycol in every 32.5ml polyglycol solutions in the step one.
Magnetic agitation 30min in the step two.
Hydrothermal temperature is 160~200 DEG C in the step four, and the hydro-thermal reaction time is 6 in the step four
~24 hours.
Sodium molybdate in the step one is molybdenum source, and the thiocarbamide in the step one is sulphur source.
In the described stainless (steel) wire load molybdenum disulfide nano sheet form cluster of molybdenum disulfide nano sheet at a diameter of 2~
3 microns of flower clusters are attached on stainless (steel) wire matrix, and wherein the thickness of monolithic molybdenum disulfide nano sheet is at 10 nanometers or less.
Load, is there is the stainless steel of molybdenum disulfide nano sheet by the application of the stainless (steel) wire load molybdenum disulfide nano sheet
Net is washed into a diameter of 8mm disks as active material electrode, and metallic sodium is used as to electrode, and electrolyte is the carbon of 1M sodium hexafluoro phosphates
(volume ratio of EC and DMC are 1 to the solution of vinyl acetate (EC) and carbonic acid dioctyl phthalate (DMC)：1), microporous polypropylene membrane is battery
Diaphragm is assembled into button cell, and after assembled button cell stands 24 hours, voltage is 0.01V~2.6V, current density
50mA/g。
Beneficial effects of the present invention：
Stainless (steel) wire prepared by the present invention loads molybdenum disulfide nano sheet, and stainless (steel) wire good conductivity is conducive to electronics
Transmission can be not necessarily to binder and conductive agent, and the technique for eliminating smear directly as collector as negative material.Separately
Outside, molybdenum disulfide has higher specific capacity, and ultra-thin molybdenum disulfide nano sheet as anode material of lithium-ion battery itself
Due to the short advantage of ion transmission path to more height ratio capacity.Meanwhile preparation method letter according to the present invention
Single, material storage enriches, is at low cost, has good industrial prospect.
Description of the drawings
Fig. 1 is that stainless (steel) wire prepared by the present invention loads molybdenum disulfide nano sheet low power SEM figures.
Fig. 2 is the high power SEM figures that stainless (steel) wire prepared by the present invention loads molybdenum disulfide nano sheet.
Fig. 3 is the XRD spectrum that stainless (steel) wire prepared by the present invention loads molybdenum disulfide nano sheet.
Specific implementation mode
With reference to specific embodiment, invention is further described in detail.
Embodiment 1
1) 0.250g Na are weighed respectively2MoO4·2H2O, 0.239g thiocarbamides and 0.01g polyethylene glycol, are then dissolved in
Solution A is obtained in 32.5ml deionized waters；
2) solution A is stirred on magnetic stirring apparatus 30 minutes until solution is transparent；
3) use ultrasonic washing instrument wash stainless (steel) wire, make its surface present metallic luster, be then cut to 1cm ×
3cm stainless (steel) wire items；
4) stainless (steel) wire of cutting and solution A are transferred to simultaneously in totally dry reaction kettle, hydro-thermal is anti-at 160 DEG C
It answers 12 hours, obtains the stainless (steel) wire load molybdenum disulfide nano sheet that black is presented in surface after reaction；
5) 4) the black stainless (steel) wire load molybdenum disulfide nano sheet deionized water obtained in is rinsed 3 times；
6) 5) it is small that the black melanin stainless (steel) wire load molybdenum disulfide nano sheet after rinsing in is placed in 70 DEG C of baking ovens 12
When after obtain final products stainless (steel) wire load molybdenum disulfide nano sheet.
Stainless (steel) wire loads the application of molybdenum disulfide nano sheet, has the stainless (steel) wire of molybdenum disulfide nano sheet to be washed into load
A diameter of 8mm disks are as active material electrode, and metallic sodium is used as to electrode, and electrolyte is the ethylene carbonate of 1M sodium hexafluoro phosphates
(volume ratio of EC and DMC are 1 to the solution of ester (EC) and carbonic acid dioctyl phthalate (DMC)：1), microporous polypropylene membrane is battery diaphragm,
It is assembled into button cell, after assembled button cell stands 24 hours, electrochemical property test is carried out in LANDCT2100A.
Voltage is 0.01V~2.6V, current density 50mA/g.
Embodiment 2
1) 0.250g Na are weighed respectively2MoO4·2H2O, 0.20g thiocarbamides and 0.01g polyethylene glycol, are then dissolved in
Solution A is obtained in 32.5ml deionized waters；
2) solution A is stirred on magnetic stirring apparatus 30 minutes until solution is transparent；
3) use ultrasonic washing instrument wash stainless (steel) wire, make its surface present metallic luster, be then cut to 1cm ×
3cm stainless (steel) wire items；
4) stainless (steel) wire of cutting and solution A are transferred to simultaneously in clean dry dry reaction kettle, the lower water at 160 DEG C
Thermal response 12 hours obtains the stainless (steel) wire load molybdenum disulfide nano sheet that black is presented in surface after reaction；
5) 4) the black stainless (steel) wire load molybdenum disulfide nano sheet deionized water obtained in is rinsed 3 times；
6) 5) the black stainless (steel) wire load molybdenum disulfide nano sheet after middle flushing was placed in 70 DEG C of baking ovens after 12 hours
Obtain final products stainless (steel) wire load molybdenum disulfide nano sheet.
Stainless (steel) wire loads the application of molybdenum disulfide nano sheet, has the stainless (steel) wire of molybdenum disulfide nano sheet to be washed into load
A diameter of 8mm disks are as active material electrode, and metallic sodium is used as to electrode, and electrolyte is the ethylene carbonate of 1M sodium hexafluoro phosphates
(volume ratio of EC and DMC are 1 to the solution of ester (EC) and carbonic acid dioctyl phthalate (DMC)：1), microporous polypropylene membrane is battery diaphragm,
It is assembled into button cell, after assembled button cell stands 24 hours, electrochemical property test is carried out in LANDCT2100A.
Voltage is 0.01V~2.6V, current density 50mA/g.
Embodiment 3
1) 0.250g Na are weighed respectively2MoO4·2H2O, 0.2268g thiocarbamides and 0.01g polyethylene glycol, are then dissolved in
Solution A is obtained in 32.5ml deionized waters；
2) solution A is stirred on magnetic stirring apparatus 30 minutes until solution is transparent；
3) use ultrasonic washing instrument wash stainless (steel) wire, make its surface present metallic luster, be then cut to 1cm ×
3cm stainless (steel) wire items；
4) stainless (steel) wire of cutting and solution A are transferred to simultaneously in totally dry reaction kettle, the lower hydro-thermal at 160 DEG C
Reaction 12 hours obtains the stainless (steel) wire load molybdenum disulfide nano sheet that black is presented in surface after reaction；
5) 4) the black stainless (steel) wire load molybdenum disulfide nano sheet deionized water obtained in is rinsed 3 times；
6) 5) the black stainless (steel) wire load molybdenum disulfide nano sheet after middle flushing is placed in 70 DEG C of baking ovens 12 hours
After obtain final products stainless (steel) wire load molybdenum disulfide nano sheet.
Stainless (steel) wire loads the application of molybdenum disulfide nano sheet, has the stainless (steel) wire of molybdenum disulfide nano sheet to be washed into load
A diameter of 8mm disks are as active material electrode, and metallic sodium is used as to electrode, and electrolyte is the ethylene carbonate of 1M sodium hexafluoro phosphates
(volume ratio of EC and DMC are 1 to the solution of ester (EC) and carbonic acid dioctyl phthalate (DMC)：1), microporous polypropylene membrane is battery diaphragm,
It is assembled into button cell, after assembled button cell stands 24 hours, electrochemical property test is carried out in LANDCT2100A.
Voltage is 0.01V~2.6V, current density 50mA/g.
Embodiment 4
1) 0.2359g Na2MoO42H2O, 0.2226g thiocarbamides and 0.01g polyethylene glycol are weighed respectively, are then dissolved in
Solution A is obtained in 32.5ml deionized waters；
2) solution A is stirred on magnetic stirring apparatus 30 minutes until solution is transparent；
3) use ultrasonic washing instrument wash stainless (steel) wire, make its surface present metallic luster, be then cut to 1cm ×
3cm stainless (steel) wire items；
4) stainless (steel) wire of cutting and solution A are transferred to simultaneously in totally dry reaction kettle, the lower hydro-thermal at 180 DEG C
Reaction 12 hours obtains the stainless (steel) wire load molybdenum disulfide nano sheet that black is presented in surface after reaction；
5) 4) the black stainless (steel) wire load molybdenum disulfide nano sheet deionized water obtained in is rinsed 3 times；
6) 5) the black stainless steel carrier after rinsing in is placed in 70 DEG C of baking ovens after 12 hours to obtain final products stainless
Steel mesh loads molybdenum disulfide nano sheet.
Stainless (steel) wire loads the application of molybdenum disulfide nano sheet, has the stainless (steel) wire of molybdenum disulfide nano sheet to be washed into load
A diameter of 8mm disks are as active material electrode, and metallic sodium is used as to electrode, and electrolyte is the ethylene carbonate of 1M sodium hexafluoro phosphates
(volume ratio of EC and DMC are 1 to the solution of ester (EC) and carbonic acid dioctyl phthalate (DMC)：1), microporous polypropylene membrane is battery diaphragm,
It is assembled into button cell, after assembled button cell stands 24 hours, electrochemical property test is carried out in LANDCT2100A.
Voltage is 0.01V~2.6V, current density 50mA/g.
Embodiment 5
1) 0.2359g Na are weighed respectively2MoO4·2H2O, 0.30g thiocarbamides and 0.01g polyethylene glycol, are then dissolved in
Solution A is obtained in 32.5ml deionized waters；
2) solution A is stirred on magnetic stirring apparatus 30 minutes until solution is transparent；
3) use ultrasonic washing instrument wash stainless (steel) wire, make its surface present metallic luster, be then cut to 1cm ×
3cm stainless (steel) wire items；
4) stainless (steel) wire of cutting and solution A are transferred to simultaneously in totally dry reaction kettle, the lower hydro-thermal at 200 DEG C
Reaction 12 hours obtains the stainless (steel) wire load molybdenum disulfide nano sheet that black is presented in surface after reaction；
5) 4) the black stainless (steel) wire load molybdenum disulfide nano sheet deionized water obtained in is rinsed 3 times；
6) 5) the black stainless (steel) wire load molybdenum disulfide nano sheet after middle flushing was placed in 70 DEG C of baking ovens after 12 hours
Obtain final products stainless (steel) wire load molybdenum disulfide nano sheet.
Stainless (steel) wire loads the application of molybdenum disulfide nano sheet molybdenum disulfide nano sheet, and load is had molybdenum disulfide nano sheet
Stainless (steel) wire be washed into a diameter of 8mm disks as active material electrode, metallic sodium is used as to electrode, and electrolyte is 1M hexafluoro phosphorus
(volume ratio of EC and DMC are 1 for the ethylene carbonate (EC) of sour sodium and the solution of carbonic acid dioctyl phthalate (DMC)：1), polypropylene microporous
Film is battery diaphragm, is assembled into button cell, and after assembled button cell stands 24 hours, electricity is carried out in LANDCT2100A
Chemical property is tested.Voltage is 0.01V~2.6V, current density 50mA/g.
Embodiment 6
1) 0.2359g Na are weighed respectively2MoO4·2H2O2H2O, 0.30g thiocarbamide and 0.01g polyethylene glycol, it is then molten
Solution obtains solution A in 32.5ml deionized waters；
2) solution A is stirred on magnetic stirring apparatus 30 minutes until solution is transparent；
3) use ultrasonic washing instrument wash stainless (steel) wire, make its surface present metallic luster, be then cut to 1cm ×
3cm stainless (steel) wire items；
4) stainless (steel) wire of cutting and solution A are transferred to simultaneously in totally dry reaction kettle, the lower hydro-thermal at 200 DEG C
Reaction 24 hours obtains the stainless (steel) wire load molybdenum disulfide nano sheet that black is presented in surface after reaction；
5) 4) the black stainless (steel) wire load molybdenum disulfide nano sheet deionized water obtained in is rinsed 3 times；
6) 5) the black stainless (steel) wire load molybdenum disulfide nano sheet after middle flushing was placed in 70 DEG C of baking ovens after 12 hours
Obtain final products stainless (steel) wire load molybdenum disulfide nano sheet.
Stainless (steel) wire loads the application of molybdenum disulfide nano sheet, has the stainless (steel) wire of molybdenum disulfide nano sheet to be washed into load
A diameter of 8mm disks are as active material electrode, and metallic sodium is used as to electrode, and electrolyte is the ethylene carbonate of 1M sodium hexafluoro phosphates
(volume ratio of EC and DMC are 1 to the solution of ester (EC) and carbonic acid dioctyl phthalate (DMC)：1), microporous polypropylene membrane is battery diaphragm,
It is assembled into button cell, after assembled button cell stands 24 hours, electrochemical property test is carried out in LANDCT2100A.
Voltage is 0.01V~2.6V, current density 50mA/g.
The stainless (steel) wire load molybdenum disulfide nano sheet negative material prepared in the present invention includes stainless (steel) wire and curing
Molybdenum nanometer sheet cluster, stainless (steel) wire can be used as collector and conductive agent simultaneously during assembled battery, to avoid adding
Influence of the binder to battery capacity.Molybdenum disulfide mainly in the form of molybdenum disulfide nano sheet cluster at a diameter of 2~3 microns
Flower clusters be attached on stainless (steel) wire matrix, wherein the thickness of monolithic molybdenum disulfide nano sheet is at 10 nanometers or less.It is this
Super rich nanometer sheet can effectively shorten sodium ion transmission path to effectively improve battery specific capacity.
Compared with the height ratio capacities cell negative electrode materials such as silicon substrate, tinbase, germanium base, the advantage of molybdenum disulfide negative material embodies
Low (in a axis, there is only about 5% expansion rates with c-axis) for embedding sodium fore-and-aft architecture expansion rate, cyclical stability is high, have sodium from
The sub high speed capacity that quickly diffusion and satisfactory electrical conductivity are determined.Ultra-thin molybdenum disulfide nano sheet with ion due to transmitting road
Diameter is short, has higher specific capacity with electrolyte contacts contact area wonderful works anode material of lithium-ion battery.Stainless (steel) wire by
In excellent electric conductivity itself, matrix that can simultaneously as collector and supported active negative material in sodium-ion battery.
And stainless (steel) wire load molybdenum disulfide nano sheet active cathode material can avoid the cumbersome work such as smear and addition binder
Skill.
Based on the above, stainless (steel) wire of the present invention loads molybdenum disulfide nano sheet molybdenum disulfide ultrathin nanometer piece as sodium ion
Cell negative electrode material has without smear, the addition advantages such as binder and specific capacity.
As shown in Figure 1, as can be seen from the figure the cluster of molybdenum disulfide nano sheet composition is dispersed in stainless (steel) wire base
On bottom.
As shown in Fig. 2, as can be seen from the figure molybdenum disulfide is mainly 10 nanometers of ultrathin nanometer pieces below with thickness
Form cluster is uniformly attached in stainless (steel) wire substrate at a diameter of 2-3 microns spherical.
As shown in figure 3, wherein illustration is the XRD partial enlarged views that 2theta angles are 30-40 degree.It can from XRD spectrum
To find out, stainless (steel) wire load molybdenum disulfide nano sheet molybdenum disulfide nano sheet mainly has pure stainless (steel) wire and pure curing
Two kinds of object phase compositions of molybdenum.2theta angles are respectively at 33.0,34.0 and 38.4 positions be respectively molybdenum disulfide (101),
(012) and (104) crystal face (standard card number is：PDF#17-0744).
Claims (10)
1. a kind of preparation method of sodium-ion battery cathode stainless (steel) wire load molybdenum disulfide nano sheet, which is characterized in that including
Following steps：
Step 1：
By sodium molybdate, thiocarbamide and polyethylene glycol according to 25:(12~30):The mass ratio of (1~10) is dissolved in deionized water,
Obtain mixed liquor；
Step 2：
Gained mixed liquor in step 1 is stirred evenly on magnetic stirring apparatus until solution is transparent；
Step 3：
Stainless (steel) wire is washed using ultrasonic washing instrument, makes its surface that metallic luster be presented, it is stainless to be then cut into 1cm × 3cm
Steel mesh item；
Step 4：
The solution that is transparent stirred evenly in step 2 is transferred in totally dry reaction kettle, and it is clear that step 3 institute is added
The stainless (steel) wire washed is placed reaction kettle in an oven, at a certain temperature hydro-thermal reaction certain time, after reaction then
The stainless (steel) wire that black is presented to surface loads molybdenum disulfide nano sheet；
Step 5：
The black stainless (steel) wire load molybdenum disulfide nano sheet deionized water of gained in step 4 is rinsed 3 times；
Step 6：
Black stainless (steel) wire load molybdenum disulfide nano sheet after deionized water is rinsed, which was placed in 70 DEG C of baking ovens after 12 hours, to be obtained
Molybdenum disulfide nano sheet is loaded to final products stainless (steel) wire.
2. a kind of preparation side of sodium-ion battery cathode stainless (steel) wire load molybdenum disulfide nano sheet according to claim 1
Method, which is characterized in that the stainless (steel) wire load molybdenum disulfide nano sheet can be directly used for anode material of lithium-ion battery.
3. a kind of preparation side of sodium-ion battery cathode stainless (steel) wire load molybdenum disulfide nano sheet according to claim 1
Method, which is characterized in that the molar ratio of molybdenum source and sulphur source is 1 in the step one:(1~3).
4. a kind of preparation side of sodium-ion battery cathode stainless (steel) wire load molybdenum disulfide nano sheet according to claim 1
Method, which is characterized in that thiourea concentration is per 0.1-0.4g thiocarbamides in 32.5ml solution in the step one.
5. a kind of preparation side of sodium-ion battery cathode stainless (steel) wire load molybdenum disulfide nano sheet according to claim 1
Method, which is characterized in that Polyethylene glycol is per 0.01-0.1g polyethylene glycol in 32.5ml solution in the step one.
6. a kind of preparation side of sodium-ion battery cathode stainless (steel) wire load molybdenum disulfide nano sheet according to claim 1
Method, which is characterized in that magnetic agitation 30min in the step two.
7. a kind of preparation side of sodium-ion battery cathode stainless (steel) wire load molybdenum disulfide nano sheet according to claim 1
Method, which is characterized in that hydrothermal temperature is 160~200 DEG C in the step four, in the step four when hydro-thermal reaction
Between be 6~24 hours.
8. a kind of preparation side of sodium-ion battery cathode stainless (steel) wire load molybdenum disulfide nano sheet according to claim 1
Method, which is characterized in that the sodium molybdate in the step one is molybdenum source, and the thiocarbamide in the step one is sulphur source.
9. a kind of preparation side of sodium-ion battery cathode stainless (steel) wire load molybdenum disulfide nano sheet according to claim 1
Method, which is characterized in that the form cluster Cheng Zhi of molybdenum disulfide nano sheet in the stainless (steel) wire load molybdenum disulfide nano sheet
Diameter is that 2~3 microns of flower clusters are attached on stainless (steel) wire matrix, and the thickness of wherein monolithic molybdenum disulfide nano sheet is received 10
Meter or less.
10. loading the application of molybdenum disulfide nano sheet based on stainless (steel) wire described in claim 1, load there is into molybdenum disulfide nano
The stainless (steel) wire of piece is washed into a diameter of 8mm disks as active material electrode, and metallic sodium is used as to electrode, and electrolyte is 1M hexafluoros
The ethylene carbonate of sodium phosphate is 1 according to volume ratio with the solution of carbonic acid dioctyl phthalate：1, microporous polypropylene membrane is battery diaphragm, group
Dress is button cell, and after assembled button cell stands 24 hours, voltage is 0.01V~2.6V, current density 50mA/g.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109762369A (en) * | 2019-02-28 | 2019-05-17 | 中山大学惠州研究院 | A kind of preparation method of water base high dispersancy nano molybdenum disulfide |
| CN113725423A (en) * | 2021-09-17 | 2021-11-30 | 陕西科技大学 | MnCO3/MoS2Heterojunction composite material and preparation method and application thereof |
| CN113823788A (en) * | 2021-09-17 | 2021-12-21 | 陕西科技大学 | MnO (MnO)2/MoS2Heterojunction composite material and preparation method and application thereof |
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| CN109762369A (en) * | 2019-02-28 | 2019-05-17 | 中山大学惠州研究院 | A kind of preparation method of water base high dispersancy nano molybdenum disulfide |
| CN113725423A (en) * | 2021-09-17 | 2021-11-30 | 陕西科技大学 | MnCO3/MoS2Heterojunction composite material and preparation method and application thereof |
| CN113823788A (en) * | 2021-09-17 | 2021-12-21 | 陕西科技大学 | MnO (MnO)2/MoS2Heterojunction composite material and preparation method and application thereof |
| CN113823788B (en) * | 2021-09-17 | 2024-03-15 | 深圳市鸿途科技服务有限公司 | MnO (MnO) 2 /MoS 2 Heterojunction composite material and preparation method and application thereof |
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