CN108878159A - 2D/1D structure molybdenum disulfide/bismuth sulfide nano composite material and preparation method thereof - Google Patents
2D/1D structure molybdenum disulfide/bismuth sulfide nano composite material and preparation method thereof Download PDFInfo
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- CN108878159A CN108878159A CN201810500406.4A CN201810500406A CN108878159A CN 108878159 A CN108878159 A CN 108878159A CN 201810500406 A CN201810500406 A CN 201810500406A CN 108878159 A CN108878159 A CN 108878159A
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- 229910052982 molybdenum disulfide Inorganic materials 0.000 title claims abstract description 35
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000000463 material Substances 0.000 title claims abstract description 14
- NNLOHLDVJGPUFR-UHFFFAOYSA-L calcium;3,4,5,6-tetrahydroxy-2-oxohexanoate Chemical compound [Ca+2].OCC(O)C(O)C(O)C(=O)C([O-])=O.OCC(O)C(O)C(O)C(=O)C([O-])=O NNLOHLDVJGPUFR-UHFFFAOYSA-L 0.000 title claims abstract description 11
- 239000002114 nanocomposite Substances 0.000 title claims abstract description 11
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052961 molybdenite Inorganic materials 0.000 claims abstract description 23
- 238000006243 chemical reaction Methods 0.000 claims abstract description 15
- 239000008367 deionised water Substances 0.000 claims abstract description 14
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 14
- 239000007772 electrode material Substances 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910004619 Na2MoO4 Inorganic materials 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 claims abstract description 10
- 239000011684 sodium molybdate Substances 0.000 claims abstract description 10
- TVXXNOYZHKPKGW-UHFFFAOYSA-N sodium molybdate (anhydrous) Chemical compound [Na+].[Na+].[O-][Mo]([O-])(=O)=O TVXXNOYZHKPKGW-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000002073 nanorod Substances 0.000 claims abstract description 6
- 238000001291 vacuum drying Methods 0.000 claims abstract description 6
- 238000013019 agitation Methods 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 239000002131 composite material Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 6
- 238000004146 energy storage Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 2
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 2
- 229910052744 lithium Inorganic materials 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims 2
- 238000003487 electrochemical reaction Methods 0.000 claims 2
- 238000005253 cladding Methods 0.000 claims 1
- 239000006250 one-dimensional material Substances 0.000 claims 1
- 230000001737 promoting effect Effects 0.000 claims 1
- 239000003990 capacitor Substances 0.000 abstract description 5
- 239000000126 substance Substances 0.000 description 8
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 4
- 241000209094 Oryza Species 0.000 description 3
- 235000007164 Oryza sativa Nutrition 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 235000009566 rice Nutrition 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- 150000003624 transition metals Chemical class 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 1
- 238000005411 Van der Waals force Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 230000027756 respiratory electron transport chain Effects 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- -1 sulphur anion Chemical class 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/24—Electrodes characterised by structural features of the materials making up or comprised in the electrodes, e.g. form, surface area or porosity; characterised by the structural features of powders or particles used therefor
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
-
- 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
- Y02E60/13—Energy storage using capacitors
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Nanotechnology (AREA)
- Power Engineering (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Composite Materials (AREA)
- Manufacturing & Machinery (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
The present invention relates to electrode material for super capacitor, refer in particular to a kind of 2D/1D structure molybdenum disulfide/bismuth sulfide nano composite material and preparation method thereof.Bi is weighed in proportion2S3Nanometer rods, Na2MoO4·2H2O and thiocarbamide are dissolved in deionized water, and magnetic agitation 1h is allowed to evenly dispersed at room temperature.Gained mixture is transferred in 50mL reaction kettle, is reacted for 24 hours at 210 DEG C, is made Na2MoO4·2H2O is with thiocarbamide fully reacting and in Bi2S3Nanorod surfaces generate MoS2Nanometer sheet.It takes out and is cooled to room temperature after reaction, be centrifuged with deionized water and ethanol wash, and dry in a vacuum drying oven, MoS can be obtained2/Bi2S3Nanocomposite.
Description
Technical field
The present invention relates to electrode material for super capacitor, and it is compound to refer in particular to a kind of 2D/1D structure molybdenum disulfide/bismuth sulfide nano
Material preparation method.Molybdenum disulfide/bismuth sulfide nano composite material is prepared by two one-step hydrothermals.The material is with higher
Specific capacitance and preferable cyclical stability, and preparation process is simple, environmentally protective, as novel molybdenum-disulfide radical electrode material,
There is application prospect in energy storage fields such as supercapacitor, lithium batteries.
Background technique
The getting worse of energy crisis and environmental problem has caused people to the great research enthusiasm of energy storage device.Newly
Type energy-storage travelling wave tube plays a crucial role the efficient and sustainable use of the energy such as the appearance of supercapacitor (SC).
Compared with traditional rechargeable battery and capacitor, SC has bigger power density and energy density.According to charge storage mechanism
Difference, the electrode material of SC can be divided into double layer capacitor (EDLC) electrode material and fake capacitance electrode material.With EDLC
Electrode material is compared, and fake capacitance electrode material is because occurring in the faraday's reaction on electrode/electrolyte surface ratio with higher
Capacitor.
In recent years, sulfide is as electrode material, because of its own intrinsic physical property and chemical property, in energy field
Attract extensive attention.Greatly, and the covalent radius (60pm) of O compares S to electronegativity (2.58) of the electronegativity (3.44) of O than S
(104pm's) is small, therefore is compared to M-O key, and the M-S bond resultant force that transition metal and sulphur anion are formed is weaker, transition gold
Belong to sulfide to be easier that redox reaction occurs.Compared with traditional carbon material, most of sulfide all have than carbon electrode
It is higher by several times of specific capacitance.And compared with metal oxide, sulfide also has more good lead other than with high specific capacitance
Electrically, and cheap, it is resourceful, it is convieniently synthesized, thus it is considered to have bigger market value and bigger application is dived
The electrode material of energy.
Transition-metal dichalcogenide MoS with class graphene layer structure2, the specific surface area of Yin Qigao, good
Electrochemical electrical conductivity and preferable chemical stability, become the research emphasis of energy storage material.MoS2Two S atom folders in layer
A miscellaneous Mo atom in the layer structure of sandwich type, and is then between the layers faint Van der Waals force connection.By stripping
From two-dimensional layer nanometer MoS2With biggish specific surface area and have preferable absorption property, convenient for charge aggregation and deposit
Storage.Monodimension nano stick bismuth sulfide Bi2S3With narrow direct band gap and quick electronics transfer.In MoS2Nanometer sheet is grown in
Bi2S3During in nanometer rods, composite material forms heterojunction boundary abundant under the action of Van der Waals epitaxial growth,
By the advantage of the two, i.e. Bi2S3Swift electron transfer and MoS2Biggish surface area combines, and can be improved composite material
Specific capacitance and cyclical stability.
Summary of the invention
It is a kind of with the stable compound pattern of 2D/1D the invention aims to provide, and MoS can be improved2Monomer is than electricity
Hold the MoS with cyclical stability2/Bi2S3Composite material.Products obtained therefrom is a kind of stable structure and has good chemical property
Functional composite material.
MoS in the present invention2/Bi2S3Composite material has stable, uniform microscopic appearance, MoS2Nanometer sheet homoepitaxial
In Bi2S3Nanorod surfaces.As shown in Figure 1 and Figure 2.
MoS in the present invention2/Bi2S3Composite material has good chemical property, in MoS2On the basis of nanometer sheet
It is obviously improved.In test voltage -0.2~0.8V of range, scanning speed is 10 to 100mV s-1CV loop test in,
MoS2/Bi2S3Composite material exhibits go out excellent chemical property, in 10mV s-1Sweep speed under, specific capacity reaches
125.1F g-1, as shown in Figure 3.Electrode material is 1A g in current density-1After Shi Xunhuan 2000 times, capacity retention ratio is
83.2%, as shown in Figure 4.
Realize the technical scheme adopted by the invention is as follows：A kind of MoS2/Bi2S3Nanocomposite, by two-step method system
, have many advantages, such as simple process, low in cost, green non-pollution, two-dimentional MoS2Nanometer sheet homoepitaxial is in one-dimensional Bi2S3It receives
Rice stick surface, and excellent chemical property is shown, preparation step is as follows：
(1) one-dimensional Bi is prepared first2S3Nanometer rods.Weigh 0.38g Bi (NO3)3·5H2O and 0.19g thiocarbamide is dissolved in
In 30mL deionized water, 30min is stirred.Acquired solution is transferred in 50mL reaction kettle, is reacted at 200 DEG C for 24 hours, reaction terminates
It takes out and is cooled to room temperature afterwards, be centrifuged with deionized water and ethanol wash, and dry in a vacuum drying oven, Bi can be obtained2S3It receives
Rice stick.
(2) above-mentioned gained Bi is weighed in proportion2S3Nanometer rods, Na2MoO4·2H2O and thiocarbamide are dissolved in deionized water, room
The lower magnetic agitation 1h of temperature is allowed to evenly dispersed.Bi2S3Nanometer rods, Na2MoO4·2H2O, the mass volume ratio of thiocarbamide and deionized water
For：0.27g:0.045g:0.0425g:40mL.Gained mixture is transferred in 50mL reaction kettle, is reacted for 24 hours, is made at 210 DEG C
Na2MoO4·2H2O is with thiocarbamide fully reacting and in Bi2S3Nanorod surfaces generate MoS2Nanometer sheet.Cooling is taken out after reaction
It to room temperature, is centrifuged with deionized water and ethanol wash, and dried in a vacuum drying oven, MoS can be obtained2/Bi2S3Nanometer is multiple
Condensation material.
Detailed description of the invention
Fig. 1 is MoS2/Bi2S3The scanning electron microscope (SEM) photograph of composite material.
Fig. 2 is MoS2/Bi2S3The transmission electron microscope picture of composite material.
Fig. 3 is MoS2/Bi2S3CV curve graph of the composite material under different scanning rates.
Fig. 4 is MoS2/Bi2S3Composite material is 1A g in current density-1When cycle performance.
Specific embodiment
Embodiment of the present invention is a kind of simple process, low in cost, environmentally protective preparation method, passes through hydro-thermal method
Prepare MoS2/Bi2S3Composite material, the compound shape characteristic with 2D/1D, in MoS2Than electricity on the basis of nanometer sheet monomer
Hold and cyclical stability has biggish promotion.
MoS in the present invention2/Bi2S3Composite material has good chemical property.Test voltage range -0.2~
0.8V, scanning speed are 10 to 100mV s-1CV loop test in, MoS2/Bi2S3Composite material exhibits go out excellent electrochemistry
Performance, in 10mV s-1Sweep speed under, specific capacity has reached 125.1F g-1.Electrode material is 1Ag in current density-1When
After circulation 2000 times, capacity retention ratio 83.2%.
The present invention relates to excellent chemical property MoS2/Bi2S3The preparation method of composite material, includes the following steps：
(1) one-dimensional Bi is prepared first2S3Nanometer rods weigh 0.38g Bi (NO3)3·5H2O and 0.19g thiocarbamide is dissolved in
In 30mL deionized water, 30min is stirred.Acquired solution is transferred in 50mL reaction kettle, is reacted at 200 DEG C for 24 hours, reaction terminates
It takes out and is cooled to room temperature afterwards, be centrifuged with deionized water and ethanol wash, and dry in a vacuum drying oven, Bi can be obtained2S3It receives
Rice stick.
(2) above-mentioned 0.27g Bi is weighed2S3Nanometer rods, 0.045g Na2MoO4·2H2O and 0.0425g thiocarbamide is dissolved in
In 40mL deionized water, magnetic agitation 1h is allowed to evenly dispersed at room temperature.Gained mixture is transferred in 50mL reaction kettle,
It is reacted at 210 DEG C for 24 hours, makes Na2MoO4·2H2O is with thiocarbamide fully reacting and in Bi2S3Nanorod surfaces generate MoS2Nanometer sheet.
It takes out and is cooled to room temperature after reaction, be centrifuged with deionized water and ethanol wash, and dry in a vacuum drying oven.
Claims (5)
1.2D/1D structure molybdenum disulfide/bismuth sulfide nano composite material and preparation method thereof, the material is by MoS2Nanometer sheet and Bi2S3
Two kinds of Material claddings of nanometer rods form, the shape characteristic with 2D/1D；Wherein two dimension MoS2Nanometer sheet homoepitaxial is one-dimensional
Bi2S3Nanorod surfaces avoid two-dimensional material and reunite during the preparation process, provide more activity for electrochemical reaction
Reaction site；One-dimensional material while promoting electronic and ionic quickly to transmit, answer by the part born in electrochemical reaction process
Power effect, is conducive to the holding of composite structure, improves cyclical stability of the electrode material when long-time uses, special
Sign is that the preparation method is as follows：Bi is weighed in proportion2S3Nanometer rods, Na2MoO4·2H2O and thiocarbamide are dissolved in deionized water
In, magnetic agitation is allowed to evenly dispersed at room temperature；Gained mixture, which is transferred in reaction kettle, carries out hydro-thermal reaction, makes Na2MoO4·
2H2O is with thiocarbamide fully reacting and in Bi2S3Nanorod surfaces generate MoS2Nanometer sheet is taken out be cooled to room temperature after reaction,
It is centrifuged with deionized water and ethanol wash, and dried in a vacuum drying oven, 2D/1D structure MoS can be obtained2/Bi2S3Nanometer
Composite material.
2. 2D/1D structure molybdenum disulfide/bismuth sulfide nano composite material and preparation method thereof as described in claim 1, feature exist
In the time of the magnetic agitation is 1h.
3. 2D/1D structure molybdenum disulfide/bismuth sulfide nano composite material and preparation method thereof as described in claim 1, feature exist
In the Bi2S3Nanometer rods, Na2MoO4·2H2O, thiocarbamide and the mass volume ratio of deionized water are：0.27g:0.045g:
0.0425g:40mL。
4. 2D/1D structure molybdenum disulfide/bismuth sulfide nano composite material and preparation method thereof as described in claim 1, feature exist
In the reaction condition is to react for 24 hours at 210 DEG C.
5. 2D/1D structure molybdenum disulfide/bismuth sulfide nano composite material purposes of method preparation as described in claim 1,
Molybdenum-disulfide radical electrode material is used as in supercapacitor, lithium battery energy storage battery field.
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| CN201810500406.4A CN108878159A (en) | 2018-05-23 | 2018-05-23 | 2D/1D structure molybdenum disulfide/bismuth sulfide nano composite material and preparation method thereof |
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| CN201810500406.4A CN108878159A (en) | 2018-05-23 | 2018-05-23 | 2D/1D structure molybdenum disulfide/bismuth sulfide nano composite material and preparation method thereof |
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Cited By (7)
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| CN110180560A (en) * | 2019-05-28 | 2019-08-30 | 广州大学 | A kind of nano bar-shape bismuth doping molybdenum sulfide sphere multiphase Fenton catalyst and its preparation method and application |
| CN110289416A (en) * | 2019-06-26 | 2019-09-27 | 中南大学 | A kind of preparation method of anode material of lithium-ion battery bismuth molybdenum bimetallic sulfide |
| CN110380042A (en) * | 2019-08-08 | 2019-10-25 | 山东大学 | Aluminum secondary battery positive electrode, battery and preparation method |
| CN113735181A (en) * | 2021-09-06 | 2021-12-03 | 安徽工业大学 | Antimony-cobalt sulfide-carbon composite nanorod and preparation method and application thereof |
| CN113735168A (en) * | 2021-09-06 | 2021-12-03 | 安徽工业大学 | Antimony-molybdenum sulfide-carbon composite material and preparation method and application thereof |
| CN114094078A (en) * | 2021-11-16 | 2022-02-25 | 中国科学院深圳先进技术研究院 | Nitrogen-doped carbon-coated metal sulfide heterojunction material, preparation method and battery application |
| WO2023087148A1 (en) * | 2021-11-16 | 2023-05-25 | 中国科学院深圳先进技术研究院 | Sulfide composite material for metal-ion battery, preparation method therefor, and application thereof |
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| CN113735168A (en) * | 2021-09-06 | 2021-12-03 | 安徽工业大学 | Antimony-molybdenum sulfide-carbon composite material and preparation method and application thereof |
| CN114094078A (en) * | 2021-11-16 | 2022-02-25 | 中国科学院深圳先进技术研究院 | Nitrogen-doped carbon-coated metal sulfide heterojunction material, preparation method and battery application |
| WO2023087148A1 (en) * | 2021-11-16 | 2023-05-25 | 中国科学院深圳先进技术研究院 | Sulfide composite material for metal-ion battery, preparation method therefor, and application thereof |
| CN114094078B (en) * | 2021-11-16 | 2024-01-26 | 中国科学院深圳先进技术研究院 | Nitrogen-doped carbon-coated metal sulfide heterojunction material, preparation method and battery application |
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