CN109473666A - A kind of SbVO of graphene support4Nano particle composite material and preparation method thereof - Google Patents
A kind of SbVO of graphene support4Nano particle composite material and preparation method thereof Download PDFInfo
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- CN109473666A CN109473666A CN201811320051.7A CN201811320051A CN109473666A CN 109473666 A CN109473666 A CN 109473666A CN 201811320051 A CN201811320051 A CN 201811320051A CN 109473666 A CN109473666 A CN 109473666A
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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
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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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
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
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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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
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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
Abstract
The invention belongs to electrochemical technology fields, and in particular to a kind of vanadic acid antimony nano particle composite material and preparation method thereof of graphene support.It is in terms of 100% by the quality of materials, graphene content is 6%~12%, and vanadic acid antimony nano-particle content is 88%~94%；Vanadic acid antimony nano particle is uniformly attached on graphene sheet layer.The method are as follows: by NH4VO3Powder disperses in deionized water respectively, then dissolution is added six water antimony trichlorides and is dispersed with stirring uniformly, it is eventually adding graphene oxide water solution, is transferred in closed reactor after being dispersed with stirring uniformly and carries out hydro-thermal reaction, can be obtained after obtained crude product washing is dry；The material has excellent chemical property, is applied in lithium ion battery and sodium-ion battery and shows high capacity and high rate capability；The method simple process is easy to be mass produced.
Description
Technical field
The invention belongs to electrochemical technology fields, and in particular to a kind of SbVO of graphene support4Nano-particles reinforcement material
Material and preparation method thereof.
Background technique
In recent years, with the continuous consumption of fossil energy and increasingly sharpening for environmental pollution, the storage of high-energy clean energy resource
The development and utilization of system is particularly important.Electrochemical energy storage gains great popularity because it is with environment friendly.Wherein, lithium from
Sub- battery is widely used in the fields such as portable electronic device and electric car due to its excellent chemical property, but
Its still restriction by its energy density of application in the Mass storages such as power grid field.Further, since lithium metal is on ground
Storage on ball is limited, resource-based long-term utilization and cost consideration, sodium-ion battery because of its resource abundant storage and
Similar energy storage mechnism and be widely studied, if the electrode material of function admirable can be developed on this basis, storage will be pushed
The deep development of energy technology.
Currently, commercialized lithium ion battery negative material is graphite, theoretical capacity is 372mAh g-1, this is in certain journey
Limit the raising once again of lithium ion battery energy density on degree, and studies have shown that the problem of graphite system is because of its interlamellar spacing not
It can apply to sodium-ion battery energy storage.Therefore, the negative electrode material for developing and utilizing more height ratio capacity is particularly important.It is born in numerous
In the material of pole, metal oxide because its theoretical capacity height, it is easily prepared the features such as and obtained extensive research.In addition, existing
The study found that nano material can effectively shorten lithium ion diffusion length, dynamics is improved, so as to improve the electrification of material
Learn performance.On the other hand, graphene, the carbon-based materials such as carbon nanotube are compound can effectively to improve electronics conduction, to electrode material
The high rate performance of material is highly beneficial.Early in 2006, Frank Berry et al. was just successfully prepared by the method for mechanical ball mill
SbVO4Nano material, and in-depth study its Ultrahigh as lithium ion battery negative material.But its low electronics passes
Lead causes it with lower specific capacity and poor cycle performance with volume expansion problem huge in cyclic process, constrains
Its further development and application.Hereafter, about SbVO4Research in electrochemical energy storage field is then relatively fewer.
Summary of the invention
In view of this, one of the objects of the present invention is to provide a kind of SbVO of graphene support4Nano-particles reinforcement material
Material, the material have excellent chemical property；The second object of the present invention is to provide a kind of SbVO of graphene support4
The preparation method of nano particle composite material, raw material sources are wide in the method, and preparation process is simple, and low in cost.
To achieve the above object, technical scheme is as follows.
A kind of SbVO of graphene support4Nano particle composite material is graphene in terms of 100% by the quality of materials
Content is 6%~12%, SbVO4The content of nano particle is 88%~94%；SbVO4Nano particle is uniformly attached to graphene
On lamella.
A kind of SbVO of graphene support of the present invention4The preparation method of nano particle composite material, the method
Steps are as follows:
(1) by NH4VO3Powder is add to deionized water, and is heated to dissolving, is obtained yellow transparent solution；
(2) by six water antimony trichloride (SbCl3·6H2O it) is added in the yellow transparent solution that step (1) obtains, stirring point
It dissipates, obtains mixed dispersion liquid；
(3) graphene oxide water solution is added in the mixed dispersion liquid obtained to step (2), is dispersed with stirring uniformly, obtains
Suspension；
(4) suspension obtained in step (3) is transferred in closed reactor and carries out hydro-thermal reaction, hydrothermal temperature
It is 170~190 DEG C, the hydro-thermal reaction time is 22~26h, then cools to room temperature, obtains crude product；
(5) crude product washing, the drying obtained step (4) obtains a kind of SbVO of graphene support4Nano particle is multiple
Condensation material；
Wherein, NH4VO3, deionized water, graphene oxide and six water antimony trichlorides amount ratio be 2mmol:50mL:30~
60mg:1.8~2.2mmol.
Preferably, ptfe autoclave is used in step (4).
Preferably, using freeze-drying in step (5).
A kind of lithium ion battery, the negative electrode material of the battery are a kind of SbVO of graphene support of the present invention4
Nano particle composite material.
A kind of sodium-ion battery, the negative electrode material of the battery are a kind of SbVO of graphene support of the present invention4
Nano particle composite material.
The utility model has the advantages that
The present invention is successfully prepared a kind of SbVO of graphene support by mild one step hydro thermal method4Nano-particles reinforcement
Material, not only raw material sources are extensive, and resourceful and reaction condition is mild, and preparation process is simple, are easy to be mass produced, non-
Often be conducive to market-oriented application.Synthesized SbVO4Nano particle is uniformly adhered to above graphene sheet layer, has significant increase
Big specific surface area.In addition, graphene-structured provides not only continuous electron propagation ducts while effectively alleviating electrode
Volume change of the material in cyclic process, improves structural stability.When graphene content is lower, the circulation of composite material
Stability and Electronic Transport of Two Benzene are relatively poor, and when further increasing graphene content, the capacity of composite material can reduce.
When the composite material is as lithium/anode material of lithium-ion battery, relative to traditional negative electrode material, the SbVO4It receives
Rice grain composite material shows the high capacity high-rate characteristics significantly improved, is the negative electrode material of great application potential.
Detailed description of the invention
Fig. 1 is the X ray diffracting spectrum for the final product that the embodiment of the present invention 1 is prepared；
Fig. 2 is the scanning electron microscope diagram for the final product that the embodiment of the present invention 1 is prepared；
Fig. 3 is the partial enlargement scanning electron microscope diagram for the final product that the embodiment of the present invention 1 is prepared；
The lithium ion half-cell that Fig. 4 is assembled by the embodiment of the present invention 1 is in 0.1A g-1Circulating battery under current density
It can figure.
High rate performance figure of the lithium ion half-cell that Fig. 5 embodiment of the present invention 1 is assembled under different current densities.
The sodium ion half-cell that Fig. 6 is assembled by the embodiment of the present invention 1 is in 0.1Ag-1Circulating battery under current density
It can figure.
High rate performance figure of the sodium ion half-cell that Fig. 7 embodiment of the present invention 1 is assembled under different current densities.
Specific embodiment
For a better understanding of the present invention, below with reference to the embodiment content that the present invention is furture elucidated, but it is of the invention
Content is not limited solely to the following examples.
In following embodiment:
1, X-ray diffraction (XRD) is tested: using the Rigaku-D/max-2550pc type x-ray powder of Hitachi, Japan
Diffractometer carries out material phase analysis to product, uses Cu-k as radiation source, wavelength 1.5406
, using Ni filter plate, Guan Liuwei 40mA, pipe pressure is 40KV, and scanning range is 10 °~90 °, scanning speed is 8 °/
Min, step-length are 0.02 °；Final product made from embodiment is put into glass slide and is flattened, glass slide insertion x-ray powder is spread out
The experimental tank center for penetrating instrument, is tested；The identification of object phase and crystal structure information are analyzed by JADE6.0 software.
2, scanning electron microscope (SEM) is tested: the scanning electron using the S-4800 model of HITACHI company production is aobvious
Micro mirror tester, acceleration voltage 20KV observe the microscopic appearance of product.
3, thermogravimetric analysis: the TG/DTA6300 type thermogravimetric analyzer produced using SEIKO company, in air atmosphere, heating speed
Degree per minute, measures the content of graphene in final product for 5 degree.
4, final product made from embodiment is assembled into half-cell and carries out electrochemical property test, the half-cell preparation
Method is as follows:
(1) preparation of electrode slice
Resulting final product is prepared as active material using embodiment, for acetylene black as conductive additive, carboxymethyl is fine
Tie up plain sodium (CMC) and be used as binder, active material, acetylene black, CMC mass ratio be 70:20:10；They are abundant in proportion
After mixing, a small amount of isopropanol is added, grinding uniformly, is coated uniformly on copper foil；It is spare that disk is cut into after 24 hours dry.
(2) assembling of lithium ion half-cell
With the LiPF of 1M6It is dissolved in (EC and DMC in the mixed solution of ethylene carbonate (EC) and dimethyl carbonate (DMC)
Volume ratio be 1:1) obtain electrolyte, lithium piece is cathode, and CR2032 type stainless steel is that battery case is assembled into buckle type lithium-ion
Half-cell.
(3) assembling of sodium ion half-cell
With the NaClO of 1M4It is dissolved in (EC and DEC in the mixed solution of ethylene carbonate (EC) and diethyl carbonate (DEC)
Volume ratio be 1:1) and add and account for the fluorinated ethylene carbonate (FEC) of mixed liquor volume 5% electrolyte is made, sodium piece is negative
Pole, CR2032 type stainless steel are that battery case is assembled into button sodium ion half-cell.
Electrochemical property test is carried out using the Land battery test system that Jin Nuo Electronics Co., Ltd., Wuhan City produces: its
Middle voltage tester section is 0.01-3V.
Embodiment 1:
A kind of SbVO of graphene support4Nano particle composite material preparation method, the method comprises the following steps:
(1) by 2mmol NH4VO3Powder is dispersed in 50mL deionized water, and 80 DEG C of water-baths obtain yellow transparent to dissolving
Solution；
(2) by six water antimony trichloride (SbCl of 2mmol3·6H2O it) is added to the yellow transparent solution that step (1) obtains, is stirred
It mixes and is uniformly dispersed, obtain mixed dispersion liquid；
(3) graphene oxide water solution is added in the mixed dispersion liquid obtained to step (2) (amount of graphene oxide is
52mg), it is dispersed with stirring uniformly, obtains suspension；
(4) suspension obtained in step (3) is transferred in the reaction kettle of 100mL polytetrafluoroethylene (PTFE), 180 DEG C of hydro-thermals
Cooled to room temperature after for 24 hours, obtains crude product；
(5) crude product that step (4) obtains is used into water and alcohol centrifuge washing 2 times respectively, vacuum freeze drying for 24 hours more than
A kind of SbVO of graphene support can be obtained4Nano particle composite material.
The XRD result of final product is as shown in Figure 1, the composite material and SbVO4Standard card PDF#77-0331 is consistent
It closes, miscellaneous peak is not observed, shows that its purity is preferable.
SEM result such as Fig. 2 of final product, partial enlargement SEM result is as shown in figure 3, it can be observed that SbVO4Nano particle
Uniformly it is attached on graphene sheet layer.
The thermogravimetric analysis test result of final product, the mass percentage of graphene is 10.1% in final product.
The lithium ion half-cell that final product is assembled is 0.1Ag in current density-1Under conditions of cycle performance test knot
Fruit is as shown in figure 4, as seen from the figure, initial capacity is up to 1025.2mAh g-1, after 45 circulations, still maintain
984.8mAh g-1Volume output, corresponding capacity retention ratio is 96%, and coulombic efficiency is always held in cyclic process
100% or so, show high capacity characteristics.
Test results are shown in figure 5 for the high rate performance for the lithium ion half-cell that final product is assembled, as seen from the figure, in 3A
g-1High current density under still maintain 822.2mAh g-1Volume output.
The sodium ion half-cell that final product is assembled is in 0.1A g-1Under conditions of cycle performance test result such as Fig. 6 institute
Show, it is in 0.1A g as seen from the figure-1Initial capacity under current density is up to 562mAh g-1, after 95 circulations, still
Maintain 437.9mAh g-1Volume output, corresponding capacity retention ratio is 78%, and coulombic efficiency is protected always in cyclic process
It holds 100% or so, shows high capacity characteristics.
High rate performance test result such as Fig. 7 institute of the sodium ion half-cell that final product is assembled under different current densities
Show, as seen from the figure, in 3A g-1High current density under its capacity be still maintained at 285.2mAh g-1, show high magnification spy
Property.
It follows that a kind of SbVO of graphene support manufactured in the present embodiment4Nano particle composite material is applied respectively
There is high capacity and high rate capability into lithium ion battery and sodium-ion battery, be a kind of cathode material of great application potential
Material.
Embodiment 2:
(1) by 2mmol NH4VO3Powder is dispersed in 50mL deionized water, and 80 DEG C of water-baths obtain yellow transparent to dissolving
Solution；
(2) by six water antimony trichloride (SbCl of 1.8mmol3·6H2O it) is added to the yellow transparent solution that step (1) obtains,
It is dispersed with stirring uniformly, obtains mixed dispersion liquid；
(3) graphene oxide water solution is added in the mixed dispersion liquid obtained to step (2) (amount of graphene oxide is
30mg), it is dispersed with stirring uniformly, obtains suspension；
(4) suspension obtained in step (3) is transferred in the reaction kettle of 100mL polytetrafluoroethylene (PTFE), 180 DEG C of hydro-thermals
Cooled to room temperature after 26h, obtains crude product；
(5) product that step (4) obtains is used into water and alcohol centrifuge washing 2 times respectively, one kind can be obtained in 80 DEG C of dryings
The SbVO of graphene support4Nano particle composite material.
The XRD of final product the result shows that, the composite material and SbVO4Standard card PDF#77-0331 is consistent, and does not have
It observes miscellaneous peak, shows that its purity is preferable.
The SEM of final product the result shows that, SbVO4Nano particle is uniformly attached on graphene sheet layer.
The thermogravimetric analysis test result of final product, the mass percentage of graphene is 6% in final product.
The lithium ion half-cell that final product is assembled is 0.1mAh g in current density-1Under conditions of cycle performance test
The result shows that initial capacity is up to 984mAh g-1, after 45 circulations, still maintain 885.6mAh g-1Capacity
Output, corresponding capacity retention ratio is 90%, and coulombic efficiency is always held at 100% or so in cyclic process, shows height
Capacity characteristic.
High rate performance test result of the lithium ion half-cell that final product is assembled under different current densities shows it
In 3A g-1High current density under still maintain 720mAh g-1Volume output, show high-rate characteristics.
The sodium ion half-cell that final product is assembled is 0.1A g in current density-1Under cycle performance test result table
Bright, initial capacity is up to 512mAh g-1, after 95 circulations, still maintain 358.4mAhg-1Volume output, phase
The capacity retention ratio answered is 70%, and coulombic efficiency is always held at 100% or so in cyclic process, shows high capacity spy
Property.
High rate performance test result of the sodium ion half-cell that final product is assembled under different current densities shows it
In 3A g-1High current density under its capacity be still maintained at 255.2mAh g-1, show high-rate characteristics.
It follows that a kind of SbVO of graphene support manufactured in the present embodiment4Nano particle composite material be applied to lithium/
There is high capacity and high rate capability in sodium-ion battery, be a kind of negative electrode material of great application potential.
Embodiment 3:
(1) by 2mmol NH4VO3Powder is dispersed in 50mL deionized water, and 80 DEG C of water-baths obtain yellow transparent to dissolving
Solution；
(2) by six water antimony trichloride (SbCl of 2.2mmol3·6H2O it) is added to the yellow transparent solution that step (1) obtains,
It is dispersed with stirring uniformly, obtains mixed dispersion liquid；
(3) graphene oxide water solution is added in the mixed dispersion liquid obtained to step (2) (amount of graphene oxide is
60mg), it is dispersed with stirring uniformly, obtains suspension；
(4) suspension obtained in step (3) is transferred in the reaction kettle of 100mL polytetrafluoroethylene (PTFE), 190 DEG C of hydro-thermals
Cooled to room temperature after 22h, obtains crude product；
(5) product that step (4) obtains is used into water and alcohol centrifuge washing 2 times respectively, one kind can be obtained in 80 DEG C of dryings
The SbVO of graphene support4Nano particle composite material.
The XRD of final product the result shows that, the composite material and SbVO4Standard card PDF#77-0331 is consistent, and does not have
It observes miscellaneous peak, shows that its purity is preferable.
The SEM of final product the result shows that, SbVO4Nano particle is uniformly attached on graphene sheet layer.
The thermogravimetric analysis test result of final product, the mass percentage of graphene is 11.6% in final product.
The lithium ion half-cell that final product is assembled is 0.1mAh g in current density-1Under conditions of cycle performance test
The result shows that its initial capacity is up to 994mAh g-1, after 45 circulations, still maintain 904.5mAh g-1Capacity it is defeated
Out, corresponding capacity retention ratio is 91%, and coulombic efficiency is always held at 100% or so in cyclic process, shows Gao Rong
Flow characteristic.
High rate performance test result of the lithium ion half-cell that final product is assembled under different current densities shows it
In 3Ag-1High current density under still maintain 732mAh g-1Volume output, show high-rate characteristics.
The sodium ion half-cell that final product is assembled is 0.1Ag in current density-1Under cycle performance test result show
Its initial capacity is up to 522mAh g-1, after 95 circulations, still maintain 370.6mAhg-1Volume output, accordingly
Capacity retention ratio is 71%, and coulombic efficiency is always held at 100% or so in cyclic process, shows high capacity characteristics.
High rate performance test result of the sodium ion half-cell that final product is assembled under different current densities shows it
In 3Ag-1High current density under its capacity be still maintained at 260.2mAh g-1, show high-rate characteristics.
It follows that a kind of SbVO of graphene support manufactured in the present embodiment4Nano particle composite material be applied to lithium/
There is high capacity and high rate capability in sodium-ion battery, be a kind of negative electrode material of great application potential.
Embodiment 4:
(1) by 2mmol NH4VO3Powder is dispersed in 50mL deionized water, and 80 DEG C of water-baths obtain yellow transparent to dissolving
Solution；
(2) by six water antimony trichloride (SbCl of 2mmol3·6H2O it) is added to the yellow transparent solution that step (1) obtains, is stirred
It mixes and is uniformly dispersed, obtain mixed dispersion liquid；
(3) graphene oxide water solution is added in the mixed dispersion liquid obtained to step (2) (amount of graphene oxide is
45mg), it is dispersed with stirring uniformly, obtains suspension；
(4) suspension obtained in step (3) is transferred in the reaction kettle of 100mL polytetrafluoroethylene (PTFE), 170 DEG C of hydro-thermals
Cooled to room temperature after for 24 hours, obtains crude product；
(5) crude product that step (4) obtains is used into water and alcohol centrifuge washing 2 times respectively, 80 DEG C of dryings can be obtained one
The SbVO of kind graphene support4Nano particle composite material.
The XRD of final product the result shows that, the composite material and SbVO4Standard card PDF#77-0331 is consistent, and does not have
It observes miscellaneous peak, shows that its purity is preferable.
The SEM of final product the result shows that, SbVO4Nano particle is uniformly attached on graphene sheet layer.
The thermogravimetric analysis test result of final product, the mass percentage of graphene is 8.2% in final product.
The lithium ion half-cell that final product is assembled is 0.1mAh g in current density-1Under conditions of cycle performance test
The result shows that its initial capacity is up to 992mAh g-1, after 45 circulations, still maintain 912.6mAh g-1Capacity it is defeated
Out, corresponding capacity retention ratio is 92%, and coulombic efficiency is always held at 100% or so in cyclic process, shows Gao Rong
Flow characteristic.
High rate performance test result of the lithium ion half-cell that final product is assembled under different current densities shows it
In 3Ag-1High current density under still maintain 729mAh g-1Volume output, show high-rate characteristics.
The sodium ion half-cell that final product is assembled is 0.1Ag in current density-1Under cycle performance test result show
Its initial capacity is up to 518mAh g-1, after 95 circulations, still maintain 378.1mAhg-1Volume output, accordingly
Capacity retention ratio is 73%, and coulombic efficiency is always held at 100% or so in cyclic process, shows high capacity characteristics.
High rate performance test result of the sodium ion half-cell that final product is assembled under different current densities shows it
In 3A g-1High current density under its capacity be still maintained at 258.2mAh g-1, show high-rate characteristics.
It follows that a kind of SbVO of graphene support manufactured in the present embodiment4Nano particle composite material be applied to lithium/
There is high capacity and high rate capability in sodium-ion battery, be a kind of negative electrode material of great application potential.
The present invention includes but is not limited to above embodiments, it is all carried out under the spirit and principles in the present invention it is any etc.
With replacement or local improvement, all will be regarded as within protection scope of the present invention.
Claims (6)
1. a kind of vanadic acid antimony nano particle composite material of graphene support, it is characterised in that: with the quality of materials for 100%
Meter, graphene content are 6%~12%, and the content of vanadic acid antimony nano particle is 88%~94%；Vanadic acid antimony nano particle is uniform
It is attached on graphene sheet layer.
2. a kind of preparation method of the vanadic acid antimony nano particle composite material of graphene support as described in claim 1, special
Sign is: the method comprises the following steps:
(1) by NH4VO3Powder is add to deionized water, and is heated to dissolving, is obtained yellow transparent solution；
(2) six water antimony trichlorides are added to the yellow transparent solution that step (1) obtains, be dispersed with stirring uniformly, obtain mixing point
Dispersion liquid；
(3) graphene oxide water solution is added in the mixed dispersion liquid obtained to step (2), is dispersed with stirring uniformly, obtains suspended
Liquid；
(4) suspension obtained in step (3) is transferred in closed reactor, 22~26h of hydro-thermal reaction at 170~190 DEG C,
It then cools to room temperature, obtains crude product；
(5) crude product washing, the drying obtained step (4) obtains a kind of vanadic acid antimony nano-particles reinforcement of graphene support
Material；
Wherein, NH4VO3, deionized water, graphene oxide and six water antimony trichlorides amount ratio be 2mmol:50mL:30~
60mg:1.8~2.2mmol.
3. a kind of preparation method of the vanadic acid antimony nano particle composite material of graphene support as claimed in claim 2, special
Sign is: ptfe autoclave is used in step (4).
4. a kind of preparation method of the vanadic acid antimony nano particle composite material of graphene support as claimed in claim 2, special
Sign is: liquid-nitrogen freeze drying is used in step (5).
5. a kind of lithium ion battery, it is characterised in that: the negative electrode material of the battery is a kind of graphene described in claim 1
The vanadic acid antimony nano particle composite material of support.
6. a kind of sodium-ion battery, it is characterised in that: the negative electrode material of the battery is a kind of graphene described in claim 1
The vanadic acid antimony nano particle composite material of support.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323429A (en) * | 2019-07-08 | 2019-10-11 | 中南大学 | Niobium pentaoxide/redox graphene composite negative pole material preparation method |
| CN111081999A (en) * | 2019-11-27 | 2020-04-28 | 武汉理工大学 | Potassium vanadate/reduced graphene electrode material and preparation method and application thereof |
| CN112174203A (en) * | 2020-09-30 | 2021-01-05 | 福建海峡石墨烯产业技术研究院有限公司 | Preparation method of antimony vanadate and graphene composite material |
| CN114849690A (en) * | 2022-06-09 | 2022-08-05 | 武汉理工大学 | S-shaped SbVO 4 /g-C 3 N 4 Composite photocatalyst and preparation method and application thereof |
| CN117410437A (en) * | 2023-12-15 | 2024-01-16 | 中国科学院长春应用化学研究所 | Antimony-based electrode and preparation method and application thereof |
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| CN110323429A (en) * | 2019-07-08 | 2019-10-11 | 中南大学 | Niobium pentaoxide/redox graphene composite negative pole material preparation method |
| CN111081999A (en) * | 2019-11-27 | 2020-04-28 | 武汉理工大学 | Potassium vanadate/reduced graphene electrode material and preparation method and application thereof |
| CN112174203A (en) * | 2020-09-30 | 2021-01-05 | 福建海峡石墨烯产业技术研究院有限公司 | Preparation method of antimony vanadate and graphene composite material |
| CN114849690A (en) * | 2022-06-09 | 2022-08-05 | 武汉理工大学 | S-shaped SbVO 4 /g-C 3 N 4 Composite photocatalyst and preparation method and application thereof |
| CN114849690B (en) * | 2022-06-09 | 2023-06-16 | 武汉理工大学 | S-shaped SbVO 4 /g-C 3 N 4 Composite photocatalyst, preparation method and application thereof |
| CN117410437A (en) * | 2023-12-15 | 2024-01-16 | 中国科学院长春应用化学研究所 | Antimony-based electrode and preparation method and application thereof |
| CN117410437B (en) * | 2023-12-15 | 2024-03-12 | 中国科学院长春应用化学研究所 | Antimony-based electrode and preparation method and application thereof |
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