CN113823788B - MnO (MnO) 2 /MoS 2 Heterojunction composite material and preparation method and application thereof - Google Patents
MnO (MnO) 2 /MoS 2 Heterojunction composite material and preparation method and application thereof Download PDFInfo
- Publication number
- CN113823788B CN113823788B CN202111094860.2A CN202111094860A CN113823788B CN 113823788 B CN113823788 B CN 113823788B CN 202111094860 A CN202111094860 A CN 202111094860A CN 113823788 B CN113823788 B CN 113823788B
- Authority
- CN
- China
- Prior art keywords
- mno
- mos
- substrate
- solution
- heterojunction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 16
- 238000002360 preparation method Methods 0.000 title claims description 11
- 101100069231 Caenorhabditis elegans gkow-1 gene Proteins 0.000 title description 4
- 239000000758 substrate Substances 0.000 claims abstract description 64
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000007774 positive electrode material Substances 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 12
- 239000002135 nanosheet Substances 0.000 claims abstract description 12
- 239000002064 nanoplatelet Substances 0.000 claims abstract description 5
- 239000000126 substance Substances 0.000 claims abstract description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 34
- 238000006243 chemical reaction Methods 0.000 claims description 31
- 239000008367 deionised water Substances 0.000 claims description 26
- 229910021641 deionized water Inorganic materials 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims description 20
- 229910001220 stainless steel Inorganic materials 0.000 claims description 17
- 239000010935 stainless steel Substances 0.000 claims description 17
- 238000004140 cleaning Methods 0.000 claims description 16
- 239000002202 Polyethylene glycol Substances 0.000 claims description 10
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 10
- 229920001223 polyethylene glycol Polymers 0.000 claims description 10
- 239000011684 sodium molybdate Substances 0.000 claims description 10
- 235000015393 sodium molybdate Nutrition 0.000 claims description 10
- TVXXNOYZHKPKGW-UHFFFAOYSA-N sodium molybdate (anhydrous) Chemical compound [Na+].[Na+].[O-][Mo]([O-])(=O)=O TVXXNOYZHKPKGW-UHFFFAOYSA-N 0.000 claims description 10
- VBIXEXWLHSRNKB-UHFFFAOYSA-N ammonium oxalate Chemical compound [NH4+].[NH4+].[O-]C(=O)C([O-])=O VBIXEXWLHSRNKB-UHFFFAOYSA-N 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 8
- 239000012286 potassium permanganate Substances 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 230000035484 reaction time Effects 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 2
- ZNCPFRVNHGOPAG-UHFFFAOYSA-L sodium oxalate Chemical compound [Na+].[Na+].[O-]C(=O)C([O-])=O ZNCPFRVNHGOPAG-UHFFFAOYSA-L 0.000 claims description 2
- 229940039790 sodium oxalate Drugs 0.000 claims description 2
- 239000007772 electrode material Substances 0.000 claims 1
- 239000011701 zinc Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 2
- 238000009210 therapy by ultrasound Methods 0.000 description 5
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 239000010405 anode material Substances 0.000 description 3
- -1 WS 2 Chemical class 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 150000002019 disulfides Chemical class 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052961 molybdenite Inorganic materials 0.000 description 1
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 1
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 1
- QXYJCZRRLLQGCR-UHFFFAOYSA-N molybdenum(IV) oxide Inorganic materials O=[Mo]=O QXYJCZRRLLQGCR-UHFFFAOYSA-N 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- 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
- H01M4/362—Composites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G39/00—Compounds of molybdenum
- C01G39/06—Sulfides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G45/00—Compounds of manganese
- C01G45/02—Oxides; Hydroxides
-
- 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
- H01M10/36—Accumulators not provided for in groups H01M10/05-H01M10/34
-
- 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
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/20—Particle morphology extending in two dimensions, e.g. plate-like
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
-
- 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
- H01M2004/021—Physical characteristics, e.g. porosity, surface area
-
- 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
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/028—Positive electrodes
-
- 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
Abstract
The invention discloses a MnO 2 /MoS 2 Heterojunction composite material comprising a substrate and MnO 2 /MoS 2 Heterojunction nanosheet structure, mnO 2 /MoS 2 The nano sheet structure is firmly anchored with the base material through chemical bond, mnO 2 /MoS 2 The nanoplatelet structure exists in the form of heterojunction, the MnO 2 /MoS 2 The structure size of the nano-sheet is 0.5-5 μm, and the thickness is 1-30nm. By constructing MnO on the base material 2 /MoS 2 The nano sheet structure effectively solves the problem that the positive electrode material of the zinc ion battery is coated with Zn 2+ The collapse problem of the structure in the embedding/separating process can effectively improve the higher battery ratio of the zinc ion battery anode materialCapacity and cycle stability.
Description
Technical Field
The invention belongs to the technical field of zinc ion battery anode materials, and in particular relates to a MnO (zinc oxide) 2 /MoS 2 Heterojunction composite material, and preparation method and application thereof.
Background
Rechargeable aqueous zinc ion batteries have been of interest in high performance energy storage systems for recent decades, with the following advantages over other types of energy storage batteries: low cost, environmental friendliness and safety. However, due to the large size of zinc ions hydrate, the intercalation kinetics are slow and suitable cathode materials are lacking. In the last few years, layered metal disulfides, e.g. WS 2 、SnS 2 、VS 2 And MoS 2 Because of their large interlayer spacing, great attention is being given to cell research.
Use of layered chalcogenide molybdenum dioxide (MoS 2) through simple interlayer spacing and hydrophilicity engineering, even initially Zn 2+ Hosts with poor diffusivity can also allow Zn 2+ Fast diffusion, zn 2+ The diffusivity increases by 3 orders of magnitude, making them a promising cathode for challenging multivalent ion batteries. But there are also MoS2 nanoplatelets in Zn 2+ The problem of re-stacking of the nanoplatelets during the insertion/extraction process can lead to capacity fade.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a MnO 2 /MoS 2 Heterojunction composite material, preparation method and application thereof, and MnO is constructed on base material 2 /MoS 2 The heterojunction composite material effectively improves the structural stability of the positive electrode material of the zinc ion battery, and effectively solves the problem of serious capacity attenuation of the zinc ion battery.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
MnO (MnO) 2 /MoS 2 Heterojunction composite material comprising a substrate and MnO 2 /MoS 2 Heterojunction nanosheet structure, mnO 2 /MoS 2 The nano sheet structure is firmly anchored with the base material through chemical bond, mnO 2 /MoS 2 The nanoplatelet structure exists in the form of heterojunction, the MnO 2 /MoS 2 The structure size of the nano-sheet is 0.5-5 μm, and the thickness is 1-30nm.
MnO (MnO) 2 /MoS 2 The preparation method of the heterojunction composite material comprises the following steps of;
a. dissolving a certain amount of sodium molybdate in deionized water solution containing thiourea and polyethylene glycol, and uniformly stirring to obtain solution A;
b. transferring the solution A into a stainless steel reaction kettle, and immersing the treated substrate into the solution A;
c. placing the reaction kettle containing the solution A and the substrate in an oven, reacting for a certain time at a certain temperature, taking out the substrate after the reaction is finished, and cleaning with deionized water and ethanol;
d. dissolving a certain amount of potassium permanganate in deionized water solution containing ammonium oxalate, and uniformly stirring to obtain solution B;
e. immersing the substrate obtained in the step c into the solution B, ultrasonically treating for a certain time, transferring to a stainless steel reaction kettle, reacting for a certain time at a certain temperature, taking out the substrate, cleaning with deionized water and ethanol, and drying to obtain MnO 2 /MoS 2 Heterojunction composite materials.
The concentration of sodium molybdate in the step a is 10-100mM, and the concentration of thiourea and polyethylene glycol is 50-200mM.
The reaction temperature in the step c is 120-180 ℃ and the reaction time is 1-48h.
And c, the base material in the step is any one of a carbon felt, a carbon cloth, a copper net and a stainless steel net.
The concentration of sodium oxalate in the step d is 1-20mg/mL.
And e, the organic solvent in the step is any one of ethanol and ethylene glycol.
The reaction temperature in the step e is 80-150 ℃ and the reaction time is 0.1-24h.
The MnO 2 /MoS 2 The heterojunction composite material is applied to a zinc ion battery anode material.
The invention has the beneficial effects that:
the preparation process is simple, and the positive electrode material of the zinc ion battery is loaded on the base material without a binder. The preparation cost is low, and noble metal is not needed as an active component.
MnO in the present invention 2 /MoS 2 The heterojunction ultrathin nanosheet structure has a high specific surface area, is fully contacted with electrolyte, improves electron transmission and contact area, and has higher specific battery capacity and excellent cycling stability when being used as a zinc ion battery anode material.
The invention constructs MnO on the base material 2 /MoS 2 The nano sheet structure effectively solves the problem that the positive electrode material of the zinc ion battery is coated with Zn 2+ The structural collapse problem in the embedding/separating process is solved, and the positive electrode material of the zinc ion battery is effectively improved to have higher specific capacity and cycle stability.
Detailed Description
The present invention will be described in further detail with reference to examples.
Example 1
a. 30mM sodium molybdate was dissolved in deionized water solution containing 50mM thiourea and 50mM polyethylene glycol, and stirred well to obtain solution A.
b. The solution was transferred to a stainless steel reactor while the treated substrate was immersed in solution a.
c. Placing the reaction kettle containing the solution A and the substrate in an oven, reacting for 24 hours at 160 ℃, taking out the substrate after the reaction is finished, and cleaning the substrate by using deionized water and ethanol.
d. The resulting substrate was immersed in a solution containing 30mM potassium permanganate and 5mM ammonium oxalate, and stirred for 30min to form a solution B.
e. Immersing the obtained substrate into the solution B, transferring the solution B into a stainless steel reaction kettle after ultrasonic treatment for a certain time, reacting for 0.5h at 150 ℃, taking out the substrate, cleaning the substrate with deionized water and ethanol, and drying the substrate to obtain MnO 2 /MoS 2 A zinc ion battery positive electrode material.
Example 2
a. 30mM sodium molybdate was dissolved in deionized water solution containing 50mM thiourea and 50mM polyethylene glycol, and stirred well to obtain solution A.
b. The solution was transferred to a stainless steel reactor while the treated substrate was immersed in solution a.
c. Placing the reaction kettle containing the solution A and the substrate in an oven, reacting for 24 hours at the temperature of 180 ℃, taking out the substrate after the reaction is finished, and cleaning the substrate by using deionized water and ethanol.
d. The resulting substrate was immersed in a solution containing 30mM potassium permanganate and 5mM ammonium oxalate, and stirred for 30min to form a solution B.
e. Immersing the obtained substrate into the solution B, transferring the solution B into a stainless steel reaction kettle after ultrasonic treatment for a certain time, reacting for 0.5h at 150 ℃, taking out the substrate, cleaning the substrate with deionized water and ethanol, and drying the substrate to obtain MnO 2 /MoS 2 A zinc ion battery positive electrode material.
Example 3
a. 30mM sodium molybdate was dissolved in deionized water solution containing 50mM thiourea and 50mM polyethylene glycol, and stirred well to obtain solution A.
b. The solution was transferred to a stainless steel reactor while the treated substrate was immersed in solution a.
c. Placing the reaction kettle containing the solution A and the substrate in an oven, reacting for 24 hours at the temperature of 200 ℃, taking out the substrate after the reaction is finished, and cleaning the substrate by using deionized water and ethanol.
d. The resulting substrate was immersed in a solution containing 30mM potassium permanganate and 5mM ammonium oxalate, and stirred for 30min to form a solution B.
e. Immersing the obtained substrate into the solution B, transferring the solution B into a stainless steel reaction kettle after ultrasonic treatment for a certain time, reacting for 0.5h at 150 ℃, taking out the substrate, cleaning the substrate with deionized water and ethanol, and drying the substrate to obtain MnO 2 /MoS 2 A zinc ion battery positive electrode material.
Example 4
a. 30mM sodium molybdate was dissolved in deionized water solution containing 50mM thiourea and 50mM polyethylene glycol, and stirred well to obtain solution A.
b. The solution was transferred to a stainless steel reactor while the treated substrate was immersed in solution a.
c. Placing the reaction kettle containing the solution A and the substrate in an oven, reacting for 12 hours at 200 ℃, taking out the substrate after the reaction is finished, and cleaning the substrate by using deionized water and ethanol.
d. The resulting substrate was immersed in a solution containing 30mM potassium permanganate and 5mM ammonium oxalate, and stirred for 30min to form a solution B.
e. Immersing the obtained substrate into the solution B, transferring the solution B into a stainless steel reaction kettle after ultrasonic treatment for a certain time, reacting for 0.5h at 150 ℃, taking out the substrate, cleaning the substrate with deionized water and ethanol, and drying the substrate to obtain MnO 2 /MoS 2 A zinc ion battery positive electrode material.
Example 5
a. 30mM sodium molybdate was dissolved in deionized water solution containing 50mM thiourea and 50mM polyethylene glycol, and stirred well to obtain solution A.
b. The solution was transferred to a stainless steel reactor while the treated substrate was immersed in solution a.
c. Placing the reaction kettle containing the solution A and the substrate in an oven, reacting for 6 hours at 200 ℃, taking out the substrate after the reaction is finished, and cleaning the substrate by using deionized water and ethanol.
d. The resulting substrate was immersed in a solution containing 30mM potassium permanganate and 5mM ammonium oxalate, and stirred for 30min to form a solution B.
e. Immersing the obtained substrate in solution B, and performing ultrasound treatmentTransferring the mixture into a stainless steel reaction kettle after the reaction is carried out for 0.5 hour at the temperature of 150 ℃, taking out the base material, cleaning the base material by deionized water and ethanol, and drying the base material to obtain MnO 2 /MoS 2 A zinc ion battery positive electrode material.
Example 6
a. 30mM sodium molybdate was dissolved in deionized water solution containing 50mM thiourea and 50mM polyethylene glycol, and stirred well to obtain solution A.
b. The solution was transferred to a stainless steel reactor while the treated substrate was immersed in solution a.
c. Placing the reaction kettle containing the solution A and the substrate in an oven, reacting for 12 hours at 200 ℃, taking out the substrate after the reaction is finished, and cleaning the substrate by using deionized water and ethanol.
d. The resulting substrate was immersed in a solution containing 30mM potassium permanganate and 5mM ammonium oxalate, and stirred for 30min to form a solution B.
e. Immersing the obtained substrate into the solution B, transferring the solution B into a stainless steel reaction kettle after ultrasonic treatment for a certain time, reacting for 0.5h at 180 ℃, taking out the substrate, cleaning the substrate with deionized water and ethanol, and drying the substrate to obtain MnO 2 /MoS 2 A zinc ion battery positive electrode material.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (4)
1. Positive electrode material MnO of zinc ion battery 2 /MoS 2 The preparation method of the heterojunction composite material is characterized by comprising the following steps of:
a. dissolving a certain amount of sodium molybdate in deionized water solution containing thiourea and polyethylene glycol, and uniformly stirring to obtain solution A;
b. transferring the solution A into a stainless steel reaction kettle, and immersing the treated substrate into the solution A;
c. placing the reaction kettle containing the solution A and the substrate in an oven, reacting for a certain time at a certain temperature, taking out the substrate after the reaction is finished, and cleaning with deionized water and ethanol;
d. dissolving a certain amount of potassium permanganate in deionized water solution containing ammonium oxalate, and uniformly stirring to obtain solution B;
e. immersing the substrate obtained in the step c into the solution B, ultrasonically treating for a certain time, transferring to a stainless steel reaction kettle, reacting for a certain time at a certain temperature, taking out the substrate, cleaning with deionized water and ethanol, and drying to obtain MnO 2 /MoS 2 A heterojunction composite material;
MnO 2 /MoS 2 heterojunction composite materials include a substrate and MnO 2 /MoS 2 Heterojunction nanosheet structure, mnO 2 /MoS 2 The nano sheet structure is firmly anchored with the base material through chemical bond, mnO 2 /MoS 2 The nanoplatelet structure exists in the form of heterojunction, the MnO 2 / MoS 2 The structure size of the nano-sheet is 0.5-5 mu m, and the thickness is 1-30 nm;
the concentration of sodium oxalate in the step d is 1-20 mg/mL;
the reaction temperature in the step e is 80-150 ℃ and the reaction time is 0.1-24h.
2. A positive electrode material MnO of a zinc ion battery according to claim 1 2 /MoS 2 The preparation method of the heterojunction composite material is characterized in that in the step a, the concentration of sodium molybdate is 10-100mM, and the concentration of thiourea and polyethylene glycol is 50-200mM.
3. A positive electrode material MnO of a zinc ion battery according to claim 1 2 /MoS 2 The preparation method of the heterojunction composite material is characterized in that the reaction temperature in the step c is 120-180 ℃ and the reaction time is 1-48h.
4. A zinc-ion battery according to claim 1Positive electrode material MnO 2 /MoS 2 The preparation method of the heterojunction composite material is characterized in that the base material in the step c is any one of carbon felt and carbon cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111094860.2A CN113823788B (en) | 2021-09-17 | 2021-09-17 | MnO (MnO) 2 /MoS 2 Heterojunction composite material and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111094860.2A CN113823788B (en) | 2021-09-17 | 2021-09-17 | MnO (MnO) 2 /MoS 2 Heterojunction composite material and preparation method and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113823788A CN113823788A (en) | 2021-12-21 |
| CN113823788B true CN113823788B (en) | 2024-03-15 |
Family
ID=78914752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111094860.2A Active CN113823788B (en) | 2021-09-17 | 2021-09-17 | MnO (MnO) 2 /MoS 2 Heterojunction composite material and preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113823788B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114335482A (en) * | 2021-12-28 | 2022-04-12 | 陕西科技大学 | MnO (MnO)2-metal heterojunction composite material and preparation method and application thereof |
| CN115084485B (en) * | 2022-07-29 | 2023-08-18 | 大气(广东)科技发展有限公司 | Carbon fiber loaded manganese molybdate/manganese oxide nano heterojunction material and preparation method and application thereof |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108390062A (en) * | 2018-02-08 | 2018-08-10 | 陕西科技大学 | A kind of preparation method and applications of sodium-ion battery cathode stainless (steel) wire load molybdenum disulfide nano sheet |
| CN108550805A (en) * | 2018-03-24 | 2018-09-18 | 安徽师范大学 | A kind of nanocomposite of molybdenum trioxide@molybdenum disulfide nucleocapsid heterojunction structure, preparation method and applications |
| CN108695503A (en) * | 2018-05-24 | 2018-10-23 | 北京长城华冠汽车科技股份有限公司 | In the anode modified material that material surface coats the method for manganese dioxide and prepared with this method |
| CN108878812A (en) * | 2018-06-13 | 2018-11-23 | 陕西科技大学 | One kind loading SnO in stainless (steel) wire2/SnS2The preparation method and application of nanometer sheet kalium ion battery anode material |
| CN109235024A (en) * | 2018-09-04 | 2019-01-18 | 北京邮电大学 | A kind of heterogeneous nano-chip arrays structure of nickel sulfide-molybdenum sulfide and preparation method thereof of carbon cloth load |
| CN109967130A (en) * | 2019-03-26 | 2019-07-05 | 华南理工大学 | A kind of nano-manganese dioxide sponge and the preparation method and application thereof |
| CN110048095A (en) * | 2019-03-25 | 2019-07-23 | 天津大学 | A method of preparing the molybdenum disulfide molybdenum dioxide composite material for sodium ion negative electrode material |
| CN110265649A (en) * | 2019-06-28 | 2019-09-20 | 大连海事大学 | A kind of preparation method of the chargeable water system Zinc ion battery positive electrode of manganese dioxide of metal oxide cladding |
| CN111740125A (en) * | 2020-07-08 | 2020-10-02 | 宁波大学 | Zinc-air battery cathode material, all-solid-state zinc-air battery and preparation method thereof |
| CN112174213A (en) * | 2020-09-18 | 2021-01-05 | 浙江浙能中科储能科技有限公司 | Preparation of dispersed spherical manganese oxide material and application of dispersed spherical manganese oxide material in zinc battery |
| CN112495403A (en) * | 2020-12-14 | 2021-03-16 | 陕西科技大学 | BiOCl/Bi2O3Photocatalytic material and preparation method and application thereof |
| CN112875754A (en) * | 2021-01-19 | 2021-06-01 | 北京科技大学 | Preparation and application method of graphene intercalation molybdenum disulfide composite material |
-
2021
- 2021-09-17 CN CN202111094860.2A patent/CN113823788B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108390062A (en) * | 2018-02-08 | 2018-08-10 | 陕西科技大学 | A kind of preparation method and applications of sodium-ion battery cathode stainless (steel) wire load molybdenum disulfide nano sheet |
| CN108550805A (en) * | 2018-03-24 | 2018-09-18 | 安徽师范大学 | A kind of nanocomposite of molybdenum trioxide@molybdenum disulfide nucleocapsid heterojunction structure, preparation method and applications |
| CN108695503A (en) * | 2018-05-24 | 2018-10-23 | 北京长城华冠汽车科技股份有限公司 | In the anode modified material that material surface coats the method for manganese dioxide and prepared with this method |
| CN108878812A (en) * | 2018-06-13 | 2018-11-23 | 陕西科技大学 | One kind loading SnO in stainless (steel) wire2/SnS2The preparation method and application of nanometer sheet kalium ion battery anode material |
| CN109235024A (en) * | 2018-09-04 | 2019-01-18 | 北京邮电大学 | A kind of heterogeneous nano-chip arrays structure of nickel sulfide-molybdenum sulfide and preparation method thereof of carbon cloth load |
| CN110048095A (en) * | 2019-03-25 | 2019-07-23 | 天津大学 | A method of preparing the molybdenum disulfide molybdenum dioxide composite material for sodium ion negative electrode material |
| CN109967130A (en) * | 2019-03-26 | 2019-07-05 | 华南理工大学 | A kind of nano-manganese dioxide sponge and the preparation method and application thereof |
| CN110265649A (en) * | 2019-06-28 | 2019-09-20 | 大连海事大学 | A kind of preparation method of the chargeable water system Zinc ion battery positive electrode of manganese dioxide of metal oxide cladding |
| CN111740125A (en) * | 2020-07-08 | 2020-10-02 | 宁波大学 | Zinc-air battery cathode material, all-solid-state zinc-air battery and preparation method thereof |
| CN112174213A (en) * | 2020-09-18 | 2021-01-05 | 浙江浙能中科储能科技有限公司 | Preparation of dispersed spherical manganese oxide material and application of dispersed spherical manganese oxide material in zinc battery |
| CN112495403A (en) * | 2020-12-14 | 2021-03-16 | 陕西科技大学 | BiOCl/Bi2O3Photocatalytic material and preparation method and application thereof |
| CN112875754A (en) * | 2021-01-19 | 2021-06-01 | 北京科技大学 | Preparation and application method of graphene intercalation molybdenum disulfide composite material |
Non-Patent Citations (3)
| Title |
|---|
| "Boosting zinc-ion intercalation in hydrated MoS2 nanosheets toward substantially improved performance";Huanyan Liu等;《Energy Storage Materials》;20201211;第35卷;第731-738页 * |
| "High catalytic activity for formaldehyde oxidation of an interconnected network structure composed of δ-MnO2 nanosheets and γ-MnOOH nanowires";Ying Tao等;《Adv.Manuf》;20200828;第429-439页 * |
| "Oriented-Redox Induced Uniform MoO2 Coating on Ni3S2 Nanorod Arrays as a Stable Anode for Enhanced Performances of Lithium Ion Battery";Miaomiao Jiang等;《Langmuir》;20201103;第36卷;第13555-13562页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113823788A (en) | 2021-12-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105742635B (en) | A kind of tin ash/graphene/carbon composite material and preparation method thereof | |
| CN113823788B (en) | MnO (MnO) 2 /MoS 2 Heterojunction composite material and preparation method and application thereof | |
| CN109167010B (en) | Functional diaphragm for lithium-sulfur battery and preparation method thereof | |
| CN103367756B (en) | Preparation method of porous copper based lithium ion battery anode material | |
| CN105742658A (en) | Preparation method of electrode material for all-vanadium flow battery | |
| CN105514378A (en) | Lithium-sulfur battery positive-pole composite material with imitated cellular structure and preparation method thereof | |
| CN110518202B (en) | Self-supporting V2O5rGO nano array sodium ion battery material and preparation method thereof | |
| CN108963204A (en) | Silicon substrate/sulfide cathode material preparation method of one type graphene interlayers structure | |
| CN110048174A (en) | A kind of gel batteries dielectric film and its preparation method and application | |
| CN112701268B (en) | Flexible integrated carbon-coated tungsten oxide/carbon nanotube film composite electrode and preparation method thereof | |
| CN107895789A (en) | Micron ball nano material of redox graphene cladding vanadium phosphate sodium and its preparation method and application | |
| CN104157832A (en) | Preparation method for electrode material of ferroferric oxide/carbon composite lithium ion battery | |
| CN108878812A (en) | One kind loading SnO in stainless (steel) wire2/SnS2The preparation method and application of nanometer sheet kalium ion battery anode material | |
| CN109244418A (en) | Surface coated anode material for lithium-ion batteries, preparation method and lithium ion battery | |
| CN114335482A (en) | MnO (MnO)2-metal heterojunction composite material and preparation method and application thereof | |
| CN112331933A (en) | Long-cycle-life cathode of aqueous zinc secondary battery and preparation and application thereof | |
| CN116845214A (en) | Sodium supplementing additive and carbon co-coated composite sodium iron phosphate positive electrode material and preparation method thereof | |
| CN104966835B (en) | One kind electrolytic preparation AgVO in Ag substrates3The method of thin film | |
| CN109841826A (en) | A kind of preparation method and application of carbonaceous mesophase spherules/nano silicone composite sphere | |
| CN113725423A (en) | MnCO3/MoS2Heterojunction composite material and preparation method and application thereof | |
| CN109727783B (en) | Carbon paper-loaded carbon hollow sphere composite material, preparation method and application thereof | |
| CN106684347A (en) | Polypyrrole-coated cobalt manganese oxide coaxial nanowire, and preparation method and application thereof | |
| CN115425164A (en) | Preparation method and application of cation-doped modified aqueous zinc ion battery manganese-based positive electrode | |
| CN108598367A (en) | A kind of high voltage negative plate and preparation method thereof, a kind of high-voltage lithium | |
| CN115050920A (en) | Antimony-based integrated electrode and preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240103 Address after: 518000 1009, No.1, langrong Road, Xinshi community, Dalang street, Longhua District, Shenzhen City, Guangdong Province Applicant after: Shenzhen Hongtu Technology Service Co.,Ltd. Address before: 710021 Shaanxi province Xi'an Weiyang university campus of Shaanxi University of Science and Technology Applicant before: SHAANXI University OF SCIENCE & TECHNOLOGY |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |