CN113380555A - Hexadecylamine intercalated alpha-MoO3Material, preparation method thereof and application of material as super capacitor electrode material - Google Patents

Hexadecylamine intercalated alpha-MoO3Material, preparation method thereof and application of material as super capacitor electrode material Download PDF

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CN113380555A
CN113380555A CN202110635781.1A CN202110635781A CN113380555A CN 113380555 A CN113380555 A CN 113380555A CN 202110635781 A CN202110635781 A CN 202110635781A CN 113380555 A CN113380555 A CN 113380555A
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moo
hexadecylamine
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electrode
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CN113380555B (en
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黄子航
马天翼
李慧
韩旭
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Liaoning University
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-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
    • H01G11/46—Metal oxides
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-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
    • H01G11/84—Processes for the manufacture of hybrid or EDL capacitors, or components thereof
    • H01G11/86—Processes for the manufacture of hybrid or EDL capacitors, or components thereof specially adapted for 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
    • Y02E60/13—Energy storage using capacitors

Abstract

The invention relates to hexadecylamine intercalated alpha-MoO3A material, a preparation method thereof and application of the material as an electrode material of a super capacitor. The preparation method comprises the following steps: fully stirring and mixing molybdenum powder and deionized water to obtain uniformly dispersed suspension; carrying out hydrothermal reaction on the obtained suspension, centrifuging, washing and drying to obtain alpha-MoO3(ii) a Subjecting the obtained alpha-MoO3Dissolving hexadecylamine and an intercalation agent in absolute ethyl alcohol, heating and refluxing the obtained mixture, filtering and drying to obtain an intermediate product; calcining the obtained intermediate product at high temperature in the nitrogen atmosphere to obtain hexadecylamine intercalated alpha-MoO3A material. Preparation by the method of the inventionHexadecylamine intercalated alpha-MoO3alpha-MoO having a more than single layered crystal structure3The material has larger interlayer spacing, when the material is used as a super capacitor electrode, the contact area of the electrode and electrolyte can be effectively increased, and the ion diffusion rate of the electrode during working is improved, so that the electrochemical performance of the electrode material is improved.

Description

Hexadecylamine intercalated alpha-MoO3Material, method for the production thereof andapplication of electrode material as super capacitor
Technical Field
The invention relates to the technical field of novel electrode materials, can be applied to the field of super capacitor electrodes, and particularly relates to hexadecylamine intercalated alpha-MoO3A material, a preparation method thereof and application of the material as an electrode material of a super capacitor.
Background
In recent years, with the increasing exhaustion of traditional energy sources such as coal, oil and natural gas, the development of new green energy sources has become a research focus of experts of many scholars at home and abroad. However, clean energy sources such as solar energy and wind energy are often intermittent and uncertain and strongly depend on the natural environment, so that the development of an energy storage and conversion device matched with the clean energy sources is particularly urgent. Among the numerous energy storage devices, supercapacitors have attracted a lot of attention and have been rapidly developed at their high power density, fast charge-discharge characteristics and good cycle life. The electrode material has great influence on the energy storage performance of the super capacitor, the transition metal oxide electrode material starts earlier and is a mature pseudo-capacitor material, molybdenum trioxide is an ideal electrode material for the super capacitor due to the excellent electrochemical characteristics and rich reserves of the molybdenum trioxide, but the small interlayer spacing of the molybdenum trioxide makes electrolyte ions difficult to enter the material, so that the utilization rate of the active material is greatly reduced. Therefore, the molybdenum trioxide material with larger interlayer spacing is developed, the effective contact between the molybdenum trioxide material and electrolyte is increased, the utilization rate of the active material is improved, and the practical application of the molybdenum trioxide material in the field of energy storage is greatly promoted.
Disclosure of Invention
The invention aims to provide hexadecylamine intercalated alpha-MoO3The invention relates to a material, a preparation method thereof and application of the material as a super capacitor electrode, and the invention uses hexadecylamine as an intercalating agent to prepare alpha-MoO with large interlayer spacing3The material is used as an electrode of a super capacitor, and the ion diffusion rate of the electrode during working is improved, so that the electrochemical performance of the electrode material is improved.
The technical scheme adopted by the invention is as follows: hexadecylamineIntercalated alpha-MoO3The material is prepared by introducing an intercalation agent hexadecylamine into alpha-MoO by a hot intercalation method3In, enlarge alpha-MoO3Then calcining at high temperature in the nitrogen atmosphere to remove the intercalation agent hexadecylamine and obtain hexadecylamine intercalated alpha-MoO3A material.
Hexadecylamine intercalated alpha-MoO3The preparation method of the material comprises the following steps:
1) fully stirring and mixing molybdenum powder and deionized water to obtain uniformly dispersed suspension;
2) carrying out hydrothermal reaction on the suspension obtained in the step 1), centrifuging, washing and drying to obtain alpha-MoO3；
3) The alpha-MoO obtained in the step 2)3Dissolving hexadecylamine and an intercalation agent in absolute ethyl alcohol, heating and refluxing the obtained mixture, filtering and drying to obtain an intermediate product;
4) calcining the intermediate product obtained in the step 3) at high temperature in a nitrogen atmosphere to obtain hexadecylamine intercalated alpha-MoO3A material.
Preferably, in the preparation method, step 1), the solid-to-liquid ratio of molybdenum powder to deionized water is 1g: 100-.
Preferably, in the preparation method, in step 1), the molybdenum powder is added into a small amount of deionized water, fully stirred and mixed, and then the rest of deionized water is added and fully stirred.
Preferably, in the above preparation method, step 2), the hydrothermal reaction is carried out at 180 ℃ for 12 h.
Preferably, in the above preparation method, step 3), the α -MoO is present in a mass ratio3Hexadecylamine is 1: 0.8-8.5.
Preferably, in the above preparation method, step 3), the heating reflux reaction is heating reflux reaction at 70 ℃ for 96 h.
Preferably, in the preparation method, the high-temperature calcination is carried out at 650 ℃ for 2h, and the temperature rise rate is 2 ℃/s.
The invention provides hexadecylamine intercalated alpha-MoO3The material is applied as an electrode of a super capacitor.
Preferably, the method is as follows: intercalation of hexadecylamine alpha-MoO3The material is mixed with polyvinylidene fluoride, superconducting carbon black and N-methyl pyrrolidone, fully ground and uniformly coated on the surface of a porous carbon cloth current collector material to obtain the electrode material.
Preferably, hexadecylamine intercalated alpha-MoO by mass ratio3Polyvinylidene fluoride and superconductive carbon black in the weight ratio of 8 to 1.
The invention has the beneficial effects that: the invention provides hexadecylamine intercalated alpha-MoO3alpha-MoO having a more than single layered crystal structure3The larger interlayer spacing of the material can effectively increase the contact area between electrolyte ions and the material body phase, and improve the utilization rate of the material.
Drawings
FIG. 1 is a hexadecylamine intercalated α -MoO prepared in example 13Cyclic voltammogram of the material.
FIG. 2 is a hexadecylamine intercalated α -MoO prepared in example 13The charge-discharge curve (a) and the specific capacitance curve (b) of the material under different current densities.
FIG. 3 is a hexadecylamine intercalated α -MoO prepared in example 23Cyclic voltammogram of the material.
FIG. 4 is a hexadecylamine intercalated α -MoO prepared in example 23The charge-discharge curve (a) and the specific capacitance curve (b) of the material under different current densities.
FIG. 5 is a hexadecylamine intercalated α -MoO prepared in example 33XRD pictures of the materials.
FIG. 6 is a hexadecylamine intercalated α -MoO prepared in example 33Cyclic voltammogram of the material.
FIG. 7 is a hexadecylamine intercalated α -MoO prepared in example 33The charge-discharge curve (a) and the specific capacitance curve (b) of the material under different current densities.
FIG. 8 is a hexadecylamine intercalated α -MoO prepared in example 43Cyclic voltammogram of the material.
FIG. 9 is a hexadecylamine intercalated α -MoO prepared in example 43The charge-discharge curve (a) and the specific capacitance curve (b) of the material under different current densities.
Detailed Description
Example 1
alpha-MoO intercalated with hexadecylamine3The preparation method of the material comprises the following steps:
1) placing 1g of molybdenum powder and 15mL of deionized water in an ice bath, fully stirring for 30min to obtain a light gray suspension, then adding 100mL of deionized water into the suspension, and stirring again for 30min to obtain a uniformly dispersed suspension.
2) Transferring the obtained suspension into a reaction kettle, and carrying out hydrothermal reaction to convert simple substance molybdenum into alpha-MoO3The hydrothermal temperature is 180 ℃, the reaction time is 12 hours, the product is centrifugally treated after the hydrothermal reaction, the precipitate is collected, washed by water for many times and dried at the temperature of 60 ℃ to obtain the alpha-MoO3。
3) 0.2g of alpha-MoO3Placing the mixture and 0.169g of hexadecylamine into 20mL of absolute ethyl alcohol, heating and refluxing the mixture at 70 ℃ for reaction for 96h, and filtering and drying the mixture after the reaction is finished to obtain white precipitates.
4) Transferring the white precipitate into a tube furnace, wherein the heating rate is 2 ℃/s and N is2Calcining for 2h at 650 ℃ under protection to obtain hexadecylamine intercalated alpha-MoO3A material.
(II) application
1. Preparing an electrode material: intercalation of 8mg of hexadecylamine alpha-MoO3After fully grinding the material, 1mg of polyvinylidene fluoride and 1mg of superconducting carbon black, adding 0.05mL of N-methyl pyrrolidone, grinding again, and uniformly coating the obtained slurry on the surface of a porous carbon cloth current collector material to obtain the electrode material.
2. Electrochemical analysis results:
the method comprises the following steps: coating hexadecylamine intercalated alpha-MoO at normal temperature and normal pressure3The porous carbon cloth current collector electrode material of the material is a working electrode, the graphite foil is a counter electrode, the saturated calomel electrode is a reference electrode, 5M LiCl is electrolyte, and alpha-MoO intercalated with hexadecylamine is in a potential range of-1-0.5V (vs. SCE)3The electrode material is subjected to cyclic voltammetry scanning test and constant current charging and discharging test, and the specific capacitance and energy storage multiplying power performance of the electrode material are researched.
FIG. 1 shows example 1Prepared hexadecylamine intercalated alpha-MoO3The sweep rate of the electrode material is 100mV s-1From FIG. 1, it can be seen that in a 5M LiCl electrolyte, the scan rate is 100mV s-1In time, hexadecylamine intercalated alpha-MoO3The electrode material shows a curve integral area which is far larger than that of a single molybdenum trioxide electrode material, and the specific capacitance of the electrode material is greatly enhanced.
FIG. 2 is a schematic representation of the intercalated α -MoO of hexadecylamine prepared in example 13As can be seen from FIG. 2, when the current density was 1A g, the constant current charge-discharge curve (a) and the specific capacitance curve (b) of the electrode material were obtained-1Its specific capacitance can be up to 201F g-1When the current density is from 1A g-1Increased to 10A g-1And when the specific capacitance is 63% of the initial specific capacitance, the better rate performance is shown.
Example 2
alpha-MoO intercalated with hexadecylamine3The preparation method of the material comprises the following steps:
1) placing 1g of molybdenum powder and 15mL of deionized water in an ice bath, fully stirring for 30min to obtain a light gray suspension, then adding 100mL of deionized water into the suspension, and stirring again for 30min to obtain a uniformly dispersed suspension.
2) Transferring the obtained suspension into a reaction kettle, and carrying out hydrothermal reaction to convert simple substance molybdenum into alpha-MoO3The hydrothermal temperature is 180 ℃, the reaction time is 12 hours, the product is centrifugally treated after the hydrothermal reaction, the precipitate is collected, washed by water for many times and dried at the temperature of 60 ℃ to obtain the alpha-MoO3。
3) 0.2g of alpha-MoO3Placing the mixture and 0.34g of hexadecylamine in 20mL of absolute ethyl alcohol, heating and refluxing the mixture at 70 ℃ for 96h, and filtering and drying the mixture after the reaction is finished to obtain white precipitate.
4) Transferring the white precipitate into a tube furnace, wherein the heating rate is 2 ℃/s and N is2Calcining for 2h at 650 ℃ under protection to obtain hexadecylamine intercalated alpha-MoO3A material.
(II) application
1. Preparing an electrode material: intercalation of 8mg of hexadecylamine alpha-MoO3The material was thoroughly ground with 1mg of polyvinylidene fluoride and 1mg of superconducting carbon blackThen, 0.05mL of N-methylpyrrolidone was added, and after another grinding, the obtained slurry was uniformly applied to the surface of the porous carbon cloth current collector to obtain an electrode material.
2. Electrochemical analysis results:
the method comprises the following steps: coating hexadecylamine intercalated alpha-MoO at normal temperature and normal pressure3The porous carbon cloth current collector electrode material of the material is a working electrode, the graphite foil is a counter electrode, the saturated calomel electrode is a reference electrode, 5M LiCl is electrolyte, and alpha-MoO intercalated with hexadecylamine is in a potential range of-1-0.5V (vs. SCE)3The electrode material is subjected to cyclic voltammetry scanning test and constant current charging and discharging test, and the specific capacitance and energy storage multiplying power performance of the electrode material are researched.
FIG. 3 is a schematic representation of the intercalated α -MoO of hexadecylamine prepared in example 23The sweep rate of the electrode material is 100mV s-1From the cyclic voltammogram, it can be seen from FIG. 3 that in a 5M LiCl electrolyte, the scan rate is 100mV s-1In time, hexadecylamine intercalated alpha-MoO3The electrode material shows a curve integral area which is far larger than that of a single molybdenum trioxide electrode material, and the specific capacitance of the electrode material is greatly enhanced.
FIG. 4 is a schematic representation of the intercalated α -MoO of hexadecylamine prepared in example 23As can be seen from FIG. 4, the constant current charge-discharge curve (a) and the specific capacitance curve (b) of the electrode material show that the current density is 1Ag-1Its specific capacitance can be up to 526F g-1When the current density is from 1A g-1Increased to 10A g-1When the specific capacitance is 66% of the initial specific capacitance, the better rate performance is shown.
Example 3
alpha-MoO intercalated with hexadecylamine3The preparation method of the material comprises the following steps:
1) placing 1g of molybdenum powder and 15mL of deionized water in an ice bath, fully stirring for 30min to obtain a light gray suspension, then adding 100mL of deionized water into the suspension, and stirring again for 30min to obtain a uniformly dispersed suspension.
2) Transferring the obtained suspension into a reaction kettle, and carrying out hydrothermal reaction to convert simple substance molybdenum into alpha-MoO3Hydrothermal temperature of 180 ℃ and reaction time of 12h, and the product is obtained after hydrothermal reactionCentrifuging the precipitate, collecting precipitate, washing with water for multiple times, and oven drying at 60 deg.C to obtain alpha-MoO3。
3) 0.2g of alpha-MoO3Placing 1.01g of hexadecylamine in 20mL of absolute ethyl alcohol, heating and refluxing for reaction at 70 ℃ for 96h, filtering after the reaction is finished, and drying to obtain white precipitate.
4) Transferring the white precipitate into a tube furnace, wherein the heating rate is 2 ℃/s and N is2Calcining for 2h at 650 ℃ under protection to obtain hexadecylamine intercalated alpha-MoO3A material.
FIG. 5 is a hexadecylamine intercalated α -MoO prepared in example 33XRD pattern of the material. As can be seen from fig. 5, the material shows typical diffraction peaks of molybdenum trioxide at 2 θ ═ 12.77 °, 23.93 °, 25.53 °, and 27.13 °, which proves that the molybdenum trioxide material was successfully synthesized. Wherein 2 θ ═ 12.77 ° corresponds to the (0,2,0) crystal plane of molybdenum trioxide, MoO after intercalation of hexadecylamine3The diffraction angle corresponding to this crystal plane is blue-shifted in the XRD pattern of (1), and the diffraction angle corresponding to this crystal plane is 7.56 °. It can be confirmed that the interlayer spacing of the (0,2,0) crystal plane is increased to a certain extent, which can increase the available specific surface area of the electrode and increase the diffusion rate of electrolyte ions in the electrode, which is crucial to the enhancement of energy storage performance.
(II) application
1. Preparing an electrode material: intercalation of 8mg of hexadecylamine alpha-MoO3After the material was sufficiently ground with 1mg of polyvinylidene fluoride and 1mg of superconducting carbon black, 0.05mL of N-methylpyrrolidone was added, and after grinding again, the obtained slurry was uniformly applied to the surface of a porous carbon cloth current collector to obtain an electrode material.
2. Electrochemical analysis results:
the method comprises the following steps: coating hexadecylamine intercalated alpha-MoO at normal temperature and normal pressure3The porous carbon cloth current collector electrode material of the material is a working electrode, the graphite foil is a counter electrode, the saturated calomel electrode is a reference electrode, 5M LiCl is electrolyte, and alpha-MoO intercalated with hexadecylamine is in a potential range of-1-0.5V (vs. SCE)3The electrode material is subjected to cyclic voltammetry scanning test and constant current charging and discharging test, and the specific capacitance and energy storage multiplying power performance of the electrode material are researched.
FIG. 6 is a hexadecylamine intercalated α -MoO prepared in example 33The sweep rate of the electrode material is 100mV s-1From FIG. 6, it can be seen that in the 5M LiCl electrolyte, the scanning rate is 100mV s-1In time, hexadecylamine intercalated alpha-MoO3The electrode material shows a curve integral area which is far larger than that of a single molybdenum trioxide electrode material, and the specific capacitance of the electrode material is greatly enhanced.
FIG. 7 is a hexadecylamine intercalated α -MoO prepared in example 33As can be seen from FIG. 7, when the current density was 1A g, the constant current charge-discharge curve (a) and the specific capacitance curve (b) of the electrode material were obtained-1Its specific capacitance can be up to 717F g-1When the current density is from 1A g-1Increased to 10A g-1And when the specific capacitance is 72% of the initial specific capacitance, the better rate performance is shown.
Example 4
alpha-MoO intercalated with hexadecylamine3The preparation method of the material comprises the following steps:
1) placing 1g of molybdenum powder and 15mL of deionized water in an ice bath, fully stirring for 30min to obtain a light gray suspension, then adding 100mL of deionized water into the suspension, and stirring again for 30min to obtain a uniformly dispersed suspension.
2) Transferring the obtained suspension into a reaction kettle, and carrying out hydrothermal reaction to convert simple substance molybdenum into alpha-MoO3The hydrothermal temperature is 180 ℃, the reaction time is 12 hours, the product is centrifugally treated after the hydrothermal reaction, the precipitate is collected, washed by water for many times and dried at the temperature of 60 ℃ to obtain the alpha-MoO3。
3) 0.2g of alpha-MoO3Placing 1.69g of hexadecylamine in 20mL of absolute ethyl alcohol, heating and refluxing at 70 ℃ for 96h, filtering after the reaction is finished, and drying to obtain white precipitate.
4) Transferring the white precipitate into a tube furnace, wherein the heating rate is 2 ℃/s and N is2Calcining for 2h at 650 ℃ under protection to obtain hexadecylamine intercalated alpha-MoO3A material.
(II) application
1. Preparing an electrode material: intercalation of 8mg of hexadecylamine alpha-MoO3Material and 1mg polyvinylidene fluorideAnd (3) fully grinding the fluoroethylene and 1mg of superconducting carbon black, adding 0.05mL of N-methyl pyrrolidone, grinding again, and uniformly coating the obtained slurry on the surface of a carbon cloth current collector to obtain the electrode material.
2. Electrochemical analysis results:
the method comprises the following steps: coating hexadecylamine intercalated alpha-MoO at normal temperature and normal pressure3The porous carbon cloth current collector electrode material of the material is a working electrode, the graphite foil is a counter electrode, the saturated calomel electrode is a reference electrode, the 5M LiCl is electrolyte, and the alpha-MoO intercalated with hexadecylamine is in the potential range of-1-0.5V (vs. SCE)3The electrode material is subjected to cyclic voltammetry scanning test and constant current charging and discharging test, and the specific capacitance and energy storage multiplying power performance of the electrode material are researched.
FIG. 8 is a hexadecylamine intercalated α -MoO prepared in example 43The sweep rate of the electrode material is 100mV s-1FIG. 8 shows that in a 5M LiCl electrolyte, the scanning rate is 100mV s-1In time, hexadecylamine intercalated alpha-MoO3The electrode material shows a curve integral area which is far larger than that of a single molybdenum trioxide electrode material, and the specific capacitance of the electrode material is greatly enhanced.
FIG. 9 is a hexadecylamine intercalated α -MoO prepared in example 43As can be seen from FIG. 9, when the current density was 1A g, the constant current charge-discharge curve (a) and the specific capacitance curve (b) of the electrode material were obtained-1Its specific capacitance can be up to 638F g-1When the current density is from 1A g-1Increased to 10A g-1When the specific capacitance is 74% of the initial specific capacitance, the better rate performance is shown.

Claims (10)

1. Hexadecylamine intercalated alpha-MoO3A material characterized by: the hexadecylamine intercalated alpha-MoO3The material is prepared by introducing an intercalation agent hexadecylamine into alpha-MoO by a hot intercalation method3In, enlarge alpha-MoO3Then calcining at high temperature in the nitrogen atmosphere to remove the intercalation agent hexadecylamine and obtain hexadecylamine intercalated alpha-MoO3A material.
2. Hexadecylamine intercalatoralpha-MoO of a layer3The preparation method of the material is characterized by comprising the following steps:
1) fully stirring and mixing molybdenum powder and deionized water to obtain uniformly dispersed suspension;
2) carrying out hydrothermal reaction on the suspension obtained in the step 1), centrifuging, washing and drying to obtain alpha-MoO3；
3) The alpha-MoO obtained in the step 2)3Dissolving hexadecylamine and an intercalation agent in absolute ethyl alcohol, heating and refluxing the obtained mixture, filtering and drying to obtain an intermediate product;
4) calcining the intermediate product obtained in the step 3) at high temperature in a nitrogen atmosphere to obtain hexadecylamine intercalated alpha-MoO3A material.
3. The preparation method as claimed in claim 2, wherein in the step 1), the solid-to-liquid ratio of molybdenum powder to deionized water is 1g to 100 and 120 mL.
4. The preparation method according to claim 3, wherein in the step 1), the molybdenum powder is added into a small amount of deionized water and fully stirred and mixed, and then the rest of deionized water is added and fully stirred.
5. The method according to claim 2, wherein the hydrothermal reaction in step 2) is carried out at 180 ℃ for 12 hours.
6. The method according to claim 2, wherein in the step 3), α -MoO is added in a mass ratio3Hexadecylamine is 1: 0.8-8.5.
7. The method according to claim 2, wherein the refluxing with heat in step 3) is carried out at 70 ℃ for 96 hours.
8. The method according to claim 2, wherein in step 4), the high-temperature calcination is carried out at 650 ℃ for 2 hours at a temperature rise rate of 2 ℃/s.
9. The hexadecylamine intercalated α -MoO according to claim 13The material is applied as an electrode material of a super capacitor.
10. Use according to claim 9, characterized in that the method is as follows: the intercalated α -MoO of hexadecylamine according to claim 13Mixing the material with polyvinylidene fluoride, superconducting carbon black and N-methyl pyrrolidone, fully grinding the mixture, and uniformly coating the mixture on the surface of a porous carbon cloth current collector material to obtain an electrode material; according to the mass ratio, the hexadecylamine intercalated alpha-MoO3Polyvinylidene fluoride, superconducting carbon black 8:1: 1.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114956173A (en) * 2022-04-14 2022-08-30 辽宁大学 Dodecylamine modified V 2 O 5 Material, preparation method thereof and application of material as super capacitor electrode material

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