CN108962623A - A kind of graphene composite material and preparation method thereof and device - Google Patents
A kind of graphene composite material and preparation method thereof and device Download PDFInfo
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- CN108962623A CN108962623A CN201810964125.4A CN201810964125A CN108962623A CN 108962623 A CN108962623 A CN 108962623A CN 201810964125 A CN201810964125 A CN 201810964125A CN 108962623 A CN108962623 A CN 108962623A
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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
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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
- H01G11/32—Carbon-based
- H01G11/36—Nanostructures, e.g. nanofibres, nanotubes or fullerenes
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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
- H01G11/32—Carbon-based
- H01G11/38—Carbon pastes or blends; Binders or additives therein
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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
- H01G11/46—Metal oxides
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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
- H01G11/84—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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
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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
- Y02E60/13—Energy storage using capacitors
Abstract
The present invention discloses a kind of graphene composite material and preparation method thereof and device, and wherein graphene composite material is prepared from the following raw materials: crystalline graphite powder, H2SO4、NaNO3、KMnO4、H2O2、HCl、CoCl2·6H2O、Co(OH)2、MoS2、CO(NH2)2And deionized water, graphene suspension is prepared first, by CoCl2·6H2O is dissolved in graphene suspension, stirs 15~25min, secondary mixed liquor is obtained, by Co (OH)2、MoS2、CO(NH2)2It is added in secondary mixed liquor, stir 15~25min, mixed liquor three times is obtained, will be poured into stainless steel cauldron mixed liquor three times, pressure condition is 20MPa~25MPa, temperature condition is 25~35 DEG C, graphene compound mixture is obtained, graphene compound mixture is filtered, after being washed with deionized, it is put into drying in drying oven, obtains graphene composite material；The composite material of obtained metal oxide and graphene, it is metal oxide supported on the surface of graphene on improve the chemical property of composite material, specific capacity significantly improves, improve as electrode of super capacitor significant effect.
Description
Technical field
The present invention relates to field of material technology, in particular to a kind of graphene composite material and preparation method thereof and device.
Background technique
Carbon material is to be used as electrode material for super capacitor earliest, has stability and electric conductivity good, specific surface area
The advantages that high.Since carbon material is by being formed on its surface electric double layer capacitance, the specific surface area of material gets over the electricity of large capacitor
Capacitive can be better, and therefore, the specific surface area for improving carbon material is to improve the effective way of carbon electrode material capacitor specific capacity.Stone
Black alkene is a kind of two-dimensional slice structure, only one carbon atom of thickness is thick, the hexagonal network knot that surface is made of carbon atom
Structure.Graphene has special physical and chemical properties, and graphene is as a kind of carbon material, and specific surface area is high, in super capacitor
The application of device electrode material above has good prospect.But graphene specific capacity is lower, and chemical property is poor, as super capacitor
Device electrode effect is poor.
Summary of the invention
To overcome the problems in correlation technique, the present invention provide a kind of graphene composite material and preparation method thereof and
Device.
According to the first aspect of the embodiments of the present disclosure, a kind of graphene composite material, the graphene composite material are provided
It is prepared from the following raw materials: crystalline graphite powder, H2SO4、NaNO3、KMnO4、H2O2、HCl、CoCl2·6H2O、Co(OH)2、MoS2、CO
(NH2)2And deionized water.
A kind of graphene composite material of first aspect,.
Optionally, the CoCl2·6H2The additive amount of O is 3.5mmol.
According to the second aspect of the disclosure, a kind of preparation method of graphene composite material is provided, comprising the following steps:
Crystalline graphite powder and the concentrated sulfuric acid are uniformly mixed, NaNO is added in stirring while3And KMnO4, it is 5 DEG C~-5 DEG C in temperature
Under the conditions of stir 3h, obtain preliminary mixed liquor；
The preliminary mixed liquor is heated to 45 DEG C~50 DEG C, deionized water dilution is added, obtains dilution mixed liquor；
H is added in the dilution mixed liquor2O2, it is washed after filtering with HCl, is washed with deionized later, after dry,
Obtain graphite oxide powder；
The graphite oxide powder is dissolved in deionized water, and is centrifuged 20~30min under 3000rpm~4000rpm speed conditions,
Obtain graphene suspension；
By CoCl2·6H2O is dissolved in the graphene suspension, stirs 15~25min, obtains secondary mixed liquor；
By Co (OH)2、MoS2、CO(NH2)2It is added in the secondary mixed liquor, stirs 15~25min, mixed three times
Liquid；
The mixed liquor three times is poured into stainless steel cauldron, pressure condition be 20MPa~25MPa, temperature condition be 25~
35 DEG C, obtain graphene compound mixture；
The graphene compound mixture is filtered, after being washed with deionized, drying in drying oven is put into, obtains the graphite
Alkene composite material.
Using second aspect provide carbon brush preparation method, crystalline graphite powder and the concentrated sulfuric acid are uniformly mixed first, stirring it is same
When NaNO is added3And KMnO4, 3h is stirred under the conditions of temperature is 5 DEG C~-5 DEG C, preliminary mixed liquor is obtained, by the preliminary mixing
Liquid is heated to 45 DEG C~50 DEG C, and deionized water dilution is added, and obtains dilution mixed liquor, H is added in the dilution mixed liquor2O2,
It is washed after filtering with HCl, is washed with deionized later, after dry, graphite oxide powder is obtained, by the graphite oxide
Powder is dissolved in deionized water, and 20~30min is centrifuged under 3000rpm~4000rpm speed conditions, obtains graphene suspension,
By CoCl2·6H2O is dissolved in the graphene suspension, stirs 15~25min, secondary mixed liquor is obtained, by Co (OH)2、MoS2、
CO(NH2)2It is added in the secondary mixed liquor, stirs 15~25min, obtain mixed liquor three times, the mixed liquor three times is fallen
Enter in stainless steel cauldron, pressure condition is 20MPa~25MPa, and temperature condition is 25~35 DEG C, obtains the compound mixing of graphene
Object filters the graphene compound mixture, after being washed with deionized, is put into drying in drying oven, obtains the graphite
Alkene composite material；The composite material of obtained metal oxide and graphene, it is metal oxide supported to come up on the surface of graphene
The chemical property of composite material is improved, specific capacity significantly improves, and improves as electrode of super capacitor significant effect.
Optionally, described by CoCl2·6H2O is dissolved in the graphene suspension, and the temperature condition of 15~25min of stirring is
90~100 DEG C.
Optionally, the inner wall of the stainless steel cauldron is provided with polytetrafluoroethylene ethylene layer.
Optionally, described to pour into the mixed liquor three times in stainless steel cauldron, reaction time 8.5h.
According to the third aspect of the disclosure, a kind of preparation facilities of graphene composite material is provided, is used for the oxidation
Graphite powder is dissolved in deionized water, and 20~30min is centrifuged under 3000rpm~4000rpm speed conditions, which is characterized in that institute
Stating preparation facilities includes: centrifugal device, feeding device and feeding device, and the feeding device and the feeding device are all provided with
It is placed in the top of the centrifugal device；
The centrifugal device include centrifugation outer cylinder and centrifugation inner cylinder, it is described centrifugation inner cylinder facility in it is described centrifugation outer cylinder inside,
The bottom of the centrifugation outer cylinder is provided with rotary shaft, and the rotary shaft is fixedly connected with the centrifugation inner cylinder, the centrifugation inner cylinder
Volume be less than it is described centrifugation inner cylinder bottom to it is described be centrifuged outer cylinder bottom region volume；
The feeding device includes feed pipe, and one end of the feed pipe protrudes from the top of the centrifugation outer cylinder, the charging
The other end of pipe is set to the inside of the centrifugation inner cylinder, and the feeding device includes feeding pipe, and one end of the feeding pipe is set
It is placed in the inside of the centrifugation inner cylinder, the other end of the feeding pipe is connected with dispenser, and the side of the dispenser is connected with
Vacuum pump.
Optionally, multiple nozzles, pipe of multiple nozzles in the feed pipe are provided on the tube wall of the feed pipe
It is evenly distributed on wall.
Optionally, multiple nozzles are in circular cone shape.
Optionally, baffle, the vertical section of the baffle and the centrifugation inner cylinder are provided at the top of the centrifugation inner cylinder
The angle in vertical section is in 45 °
The preparation facilities of a kind of graphene composite material of the third aspect, in use, the oxidation stone of deionized water will be dissolved in first
Ink powder pours into feed pipe, and graphite oxide powder enters centrifugation inner cylinder, and rotary shaft drives centrifugation inner cylinder rotating, graphite oxide powder compared to
Hydrone particle is bigger, graphite oxide powder stay in centrifugation inner cylinder inside, extra water by the hole on the barrel of centrifugation inner cylinder into
Enter and be centrifuged outer cylinder, and due to centrifugation inner cylinder volume be less than centrifugation inner cylinder bottom to be centrifuged outer cylinder bottom region appearance
Product, the water being centrifuged in outer cylinder will not flow back into centrifugation inner cylinder, complete centrifugally operated, finally open vacuum pump, vacuum pump will be complete
Enter in dispenser at the graphite oxide powder suspension of centrifugally operated via feeding pipe, not having to opening equipment in this way can complete
Liquid is taken, the graphene composite material that the third aspect provides enables to the graphene-structured after centrifugation more stable, of graphene
Granularity is more uniform, improves the properties of composite material.
Detailed description of the invention
In order to illustrate more clearly of technical solution of the present invention, letter will be made to attached drawing needed in the embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without any creative labor,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is that a kind of process of the preparation method of the graphene composite material provided according to an exemplary embodiment is illustrated
Figure；
Fig. 2 is a kind of overall schematic of the preparation facilities of the graphene composite material provided according to an exemplary embodiment.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended
The example of device and method being described in detail in claims, some aspects of the invention are consistent.
A kind of graphene composite material, the graphene composite material are made of raw material from the following weight: crystalline graphite powder,
H2SO4、NaNO3、KMnO4、H2O2、HCl、CoCl2·6H2O、Co(OH)2、MoS2、CO(NH2)2And deionized water.Composite material
Microstructure have a great impact to the chemical property of electrode, the crystal of the microscopic appearance of the composite material of the present embodiment is clear
Clear, crystal perfection is presented good fascicular texture, the meso-hole structure that fascicular texture is made of some little particles, and these small
The diameter dimension of kernel structure is uniform, and is evenly distributed.This arrangement reduces the resistances of ion transport to surface of active material, mention
The high utilization rate of bioactive molecule, can significantly improve the capacitive property and chemical property of composite material.
In addition, showing the CoCl by experimental study2·6H2The additive amount of O is 3.5mmol, CoCl2·6H2O's adds
Dosage is different, and anodizing reduction current is different, CoCl2·6H2When the additive amount of O is smaller, anodizing reduction current is smaller,
Chemical property is relatively weak, with raising CoCl2·6H2The additive amount of O, the redox ability enhancing of composite material, still
CoCl2·6H2When the adding too much of O, the impedance that electronics and ion transport surface of active material will increase again, and then specific volume
Amount will be with reduction, so it was proved that CoCl2·6H2It is obtained composite wood when the additive amount of O is 3.5mmol
The specific capacity of material is maximum, and chemical property is best.
Fig. 1 is the flow diagram of the preparation method of the graphene carbon brush provided according to an exemplary embodiment, including such as
Lower step:
In step sl, crystalline graphite powder and the concentrated sulfuric acid are uniformly mixed, NaNO is added in stirring while3And KMnO4, in temperature
3h is stirred under the conditions of being 5 DEG C~-5 DEG C, obtains preliminary mixed liquor.
In step s 2, the preliminary mixed liquor is heated to 45 DEG C~50 DEG C, deionized water dilution is added, is diluted
Mixed liquor.
In step s3, H is added in the dilution mixed liquor2O2, washed after filtering with HCl, use deionization later
Water washing obtains graphite oxide powder after dry.
In step s 4, the graphite oxide powder is dissolved in deionized water, and in 3000rpm~4000rpm speed conditions
20~30min of lower centrifugation, obtains graphene suspension.
In step s 5, by CoCl2·6H2O is dissolved in the graphene suspension, stirs 15~25min, obtains secondary mixed
Close liquid.
In step s 6, by Co (OH)2、MoS2、CO(NH2)2It is added in the secondary mixed liquor, stirring 15~
25min obtains mixed liquor three times.
In the step s 7, the mixed liquor three times being poured into stainless steel cauldron, pressure condition is 20MPa~25MPa,
Temperature condition is 25~35 DEG C, obtains graphene compound mixture.
In step s 8, the graphene compound mixture is filtered, after being washed with deionized, is put into drying oven and does
It is dry, obtain the graphene composite material.
In step s 5, described by CoCl2·6H2O is dissolved in the graphene suspension, stirs the temperature strip of 15~25min
Part is 90~100 DEG C.Temperature is too low, and the cobalt for reacting not thorough enough, only a small amount of adheres on the surface of graphene, and temperature is excessively high and holds
Graphene oxide is easily led to adequately to be restored, surface loses activity functional group, it was proved that, the optimum temperature of reaction is
90~100 DEG C.
In the step s 7, the inner wall of the stainless steel cauldron is provided with polytetrafluoroethylene ethylene layer, and polytetrafluoroethylene ethylene layer can
It prevents graphene from reacting with stainless steel inner wall, enables the substance in mixed liquor three times sufficiently compound.
In the step s 7, described to pour into the mixed liquor three times in stainless steel cauldron, reaction time 8.5h, reaction
Time is too short, and graphene and other materials are compound not thorough enough, and the reaction time is too long, and graphene oxide is also easy adequately to be gone back
Original, surface lose activity functional group, and specific capacity declines instead, thus the reaction time it was proved that, 8.5h is optimum response
Time.
Fig. 2 is that a kind of the whole of the preparation facilities of the graphene composite material provided according to an exemplary embodiment is illustrated
Figure, for the graphite oxide powder to be dissolved in deionized water, and under 3000rpm~4000rpm speed conditions centrifugation 20~
30min, the preparation facilities include: centrifugal device 1, feeding device 2 and feeding device 3, the feeding device 2 and described
Feeding device 3 is all set in the top of the centrifugal device 1；
The centrifugal device 1 includes centrifugation outer cylinder 11 and centrifugation inner cylinder 12, and 12 facility of centrifugation inner cylinder is in the centrifugation outer cylinder
11 inside, the bottom of the centrifugation outer cylinder 11 are provided with rotary shaft 13, and the rotary shaft 13 and the centrifugation inner cylinder 12 are fixed
Connection, the volume of the centrifugation inner cylinder 12 are less than the bottom of the centrifugation inner cylinder 12 to the region of the bottom of the centrifugation outer cylinder 11
Volume；
The feeding device 2 includes feed pipe 21, and one end of the feed pipe 21 protrudes from the top of the centrifugation outer cylinder 11, institute
The other end for stating feed pipe 21 is set to the inside of the centrifugation inner cylinder 12, and the feeding device 3 includes feeding pipe 31, described to take
One end of expects pipe 31 is set to the inside of the centrifugation inner cylinder 12, and the other end of the feeding pipe 31 is connected with dispenser 32, institute
The side for stating dispenser 32 is connected with vacuum pump 33.
In use, the graphite oxide powder for being dissolved in deionized water is first poured into feed pipe 21, graphite oxide powder enters in centrifugation
Cylinder 12, rotary shaft 13 drive centrifugation inner cylinder 12 to rotate, and graphite oxide powder is bigger compared to hydrone particle, and graphite oxide powder stays in
It is centrifuged the inside of inner cylinder 12, extra water enters centrifugation outer cylinder 11 by the hole on the barrel of centrifugation inner cylinder 12, and due to centrifugation
The volume of inner cylinder 12 be less than centrifugation inner cylinder 12 bottom to centrifugation outer cylinder 11 bottom region volume, centrifugation outer cylinder 11 in
Water will not flow back into centrifugation inner cylinder 12, complete centrifugally operated, finally open vacuum pump 33, and vacuum pump 33 will complete centrifugally operated
Graphite oxide powder suspension via feeding pipe 31 enter dispenser 32 in, in this way do not have to opening equipment can complete to take liquid,
The graphene composite material that the third aspect provides enables to the graphene-structured after centrifugation more stable, and the granularity of graphene is more
Add uniformly, improves the properties of composite material.
Fig. 2 shows feed pipe 21 another embodiment, be provided with multiple nozzles on the tube wall of the feed pipe 21
211, multiple nozzles 211 are evenly distributed on the tube wall of the feed pipe.Multiple nozzles 211 are in the frustum of a cone
Shape, such structure setting is conducive to the spraying of graphite oxide powder uniform suspension into centrifugation inner cylinder 12, so that graphite oxide
The centrifugation of powder suspension is more uniform.
Fig. 2 shows another embodiment, be provided with baffle, the vertical section of the baffle at the top of the centrifugation inner cylinder
Angle with the vertical section of the centrifugation inner cylinder is in 45 °, and when baffle can prevent centrifugation inner cylinder 12 from rotating, graphite oxide powder suspends
Liquid splashes from the top of centrifugation inner cylinder 12, leads to the waste of raw material.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to of the invention its
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the invention, these modifications, purposes or
Person's adaptive change follows general principle of the invention and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be understood that the present invention is not limited to the precise structure already described above and shown in the accompanying drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is limited only by the attached claims.
Claims (10)
1. a kind of graphene composite material, which is characterized in that the graphene composite material is made of raw material below: scale stone
Ink powder, H2SO4、NaNO3、KMnO4、H2O2、HCl、CoCl2·6H2O、Co(OH)2、MoS2、CO(NH2)2And deionized water.
2. a kind of graphene composite material as described in claim 1, which is characterized in that the CoCl2·6H2The additive amount of O is
3.5mmol。
3. a kind of preparation method of graphene composite material, which comprises the following steps:
Crystalline graphite powder and the concentrated sulfuric acid are uniformly mixed, NaNO is added in stirring while3And KMnO4, it is 5 DEG C~-5 DEG C in temperature
Under the conditions of stir 3h, obtain preliminary mixed liquor；
The preliminary mixed liquor is heated to 45 DEG C~50 DEG C, deionized water dilution is added, obtains dilution mixed liquor；
H is added in the dilution mixed liquor2O2, it is washed after filtering with HCl, is washed with deionized later, after dry,
Obtain graphite oxide powder；
The graphite oxide powder is dissolved in deionized water, and is centrifuged 20~30min under 3000rpm~4000rpm speed conditions,
Obtain graphene suspension；
By CoCl2·6H2O is dissolved in the graphene suspension, stirs 15~25min, obtains secondary mixed liquor；
By Co (OH)2、MoS2、CO(NH2)2It is added in the secondary mixed liquor, stirs 15~25min, obtain mixed liquor three times；
The mixed liquor three times is poured into stainless steel cauldron, pressure condition be 20MPa~25MPa, temperature condition be 25~
35 DEG C, obtain graphene compound mixture；
The graphene compound mixture is filtered, after being washed with deionized, drying in drying oven is put into, obtains the graphite
Alkene composite material.
4. a kind of preparation method of graphene composite material as claimed in claim 3, which is characterized in that described by CoCl2·
6H2O is dissolved in the graphene suspension, and the temperature condition of 15~25min of stirring is 90~100 DEG C.
5. a kind of preparation method of graphene composite material as claimed in claim 3, which is characterized in that the stainless steel reaction
The inner wall of kettle is provided with polytetrafluoroethylene ethylene layer.
6. a kind of preparation method of graphene composite material as claimed in claim 3, which is characterized in that the general is described three times
Mixed liquor pours into stainless steel cauldron, reaction time 8.5h.
7. a kind of preparation facilities of graphene composite material, for the graphite oxide powder to be dissolved in deionized water, and
20~30min is centrifuged under 3000rpm~4000rpm speed conditions, which is characterized in that the preparation facilities includes: centrifugal device
(1), feeding device (2) and feeding device (3), the feeding device (2) and the feeding device (3) are all set in described
The top of centrifugal device (1)；
The centrifugal device (1) includes centrifugation outer cylinder (11) and centrifugation inner cylinder (12), and centrifugation inner cylinder (12) facility is in described
It is centrifuged the inside of outer cylinder (11), the bottom of centrifugation outer cylinder (11) is provided with rotary shaft (13), the rotary shaft (13) and institute
It states centrifugation inner cylinder (12) to be fixedly connected, the volume of centrifugation inner cylinder (12) is less than the bottom of centrifugation inner cylinder (12) described in
It is centrifuged the volume in the region of the bottom of outer cylinder (11)；
The feeding device (2) includes feed pipe (21), and one end of the feed pipe (21) protrudes from the centrifugation outer cylinder (11)
Top, the other end of the feed pipe (21) is set to the inside of centrifugation inner cylinder (12), and the feeding device (3) includes
Feeding pipe (31), one end of the feeding pipe (31) are set to the inside of centrifugation inner cylinder (12), the feeding pipe (31)
The other end is connected with dispenser (32), and the side of the dispenser (32) is connected with vacuum pump (33).
8. a kind of preparation facilities of graphene composite material as claimed in claim 7, which is characterized in that the feed pipe (21)
Tube wall on be provided with multiple nozzles (211), multiple nozzles (211) on the tube wall of the feed pipe (21) in uniformly point
Cloth.
9. such as a kind of preparation facilities for graphene composite material that claim 8 is stated, which is characterized in that multiple nozzles
It (211) is in circular cone shape.
10. a kind of preparation facilities of graphene composite material as described in claim 7 to 9 any one claim, special
Sign is, is provided with baffle (121) at the top of the centrifugation inner cylinder (12), the vertical section of the baffle (121) and the centrifugation
The angle in the vertical section of inner cylinder (12) is in 45 °.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109786136A (en) * | 2019-02-25 | 2019-05-21 | 天津艾克凯胜石墨烯科技有限公司 | The method of Ni-Co-Mn nanoneedle is grown on a kind of 3D graphene |
| RU2729880C1 (en) * | 2019-11-05 | 2020-08-13 | Объединенный Институт Ядерных Исследований (Оияи) | Solid-state capacitor-ionistor with dielectric layer made of dielectric nanopowder |
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| CN102347143A (en) * | 2011-07-11 | 2012-02-08 | 中国科学院上海硅酸盐研究所 | Graphene composite porous counter electrode, preparation method and application thereof |
| CN102891016A (en) * | 2012-10-19 | 2013-01-23 | 常州大学 | Nickel cobaltate-graphene composite material and application and preparation method thereof |
| CN104157850A (en) * | 2014-07-07 | 2014-11-19 | 青岛大学 | Application of cell-structured M<2+>/MoS2 and graphene composite material in lithium ion battery |
| CN105375061A (en) * | 2015-12-09 | 2016-03-02 | 宋宏婷 | Graphene electrode |
| US20170338472A1 (en) * | 2016-05-17 | 2017-11-23 | Aruna Zhamu | Chemical-Free Production of Graphene-Encapsulated Electrode Active Material Particles for Battery Applications |
| CN106504907A (en) * | 2016-12-02 | 2017-03-15 | 东华大学 | A kind of molybdenum sulfide/cobaltosic oxide composite material and its preparation method and application |
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| CN109786136A (en) * | 2019-02-25 | 2019-05-21 | 天津艾克凯胜石墨烯科技有限公司 | The method of Ni-Co-Mn nanoneedle is grown on a kind of 3D graphene |
| RU2729880C1 (en) * | 2019-11-05 | 2020-08-13 | Объединенный Институт Ядерных Исследований (Оияи) | Solid-state capacitor-ionistor with dielectric layer made of dielectric nanopowder |
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| CN108962623B (en) | 2020-02-28 |
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