CN106544690B - Prepare the electrolysis reaction device of graphene - Google Patents
Prepare the electrolysis reaction device of graphene Download PDFInfo
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- CN106544690B CN106544690B CN201710043229.7A CN201710043229A CN106544690B CN 106544690 B CN106544690 B CN 106544690B CN 201710043229 A CN201710043229 A CN 201710043229A CN 106544690 B CN106544690 B CN 106544690B
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
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Abstract
The invention discloses a kind of electrolysis reaction device for preparing graphene, including electrolytic cell, graphite cake, cutting agency and graphite paper supporting mechanism, the cutting agency includes hold-down roller and the graphite roller being connected by carbon brush with positive source, hold-down roller and the graphite roller is symmetricly set on above electrolytic cell, the graphite paper supporting mechanism is fixed on above cutting agency, and the graphite cake is arranged in electrolytic cell as negative pole.The problem of can not being automated in prepare with scale graphene present invention aim to address existing electrolysis unit.
Description
Technical field
The invention belongs to field of graphene, in particular to a kind of electrolysis reaction device for preparing graphene.
Background technology
Since 2004 are found, graphene receives much concern as a kind of new carbon.It is it is a kind of completely bysp 2
The thickness that the carbon atom of hydridization is formed is only the quasi- two dimensional crystal material of monoatomic layer or several monoatomic layers, has high light transmittance
The excellent performance with electric conductivity, high-specific surface area, high intensity and pliability etc., it is expected in high-performance nanometer electronic device, phototube
The fields such as part, gas sensor, composite, field emmision material and energy stores obtain extensive use.
At present, the method for preparing graphene has many kinds, wherein with oxidation-reduction method, liquid phase stripping method and mechanical stripping
Based on method, and electrochemical process is also adopted extensively in recent years because its preparation technology is simple, energy consumption is low, cost is low, easy industrialization
With.Prior art if Chinese patent notification number is " CN105948025A " disclosed a kind of electrochemistry on 21st in September in 2016
The method for preparing graphene, its technical scheme comprise the following steps：(1) using graphite paper as positive pole, with the aqueous solution of intercalator
As electrolyte, intercalation, expansion are carried out to graphite paper, obtains expanded graphite；(2) filter, wash expanded graphite, then to expansion
Graphite carries out ultrasonic lift-off processing, obtains cotton-shaped graphene slurry；(3) filtering graphite alkene slurry, then using microwave vacuum
Drier graphene slurry is dried processing, and fluffy graphene powder is obtained after drying.The patent solves existing skill
Art is using the reagent containing heavy metal, strong acid, strong oxidizer and the problem of expensive organic liquid during preparing graphene.
But in actual application, the prior art using the patent as representative, still not dedicated for preparing the industry of graphene
Change electrolysis reaction device.
The content of the invention
It is an object of the invention to solve the above-mentioned problems in the prior art, there is provided a kind of electrolysis for preparing graphene
Reaction unit, the problem of can not being automated in prepare with scale graphene present invention aim to address existing electrolysis unit.
To achieve the above object, the technical solution adopted by the present invention is as follows：
A kind of electrolysis reaction device for preparing graphene, it is characterised in that：Including electrolytic cell, graphite cake, cutting agency and
Graphite paper supporting mechanism, the cutting agency include hold-down roller and the graphite roller being connected by carbon brush with positive source, institute
State hold-down roller and graphite roller is symmetricly set on above electrolytic cell, the graphite paper supporting mechanism is fixed on cutting agency
Side, the graphite cake are arranged in electrolytic cell as negative pole.
The graphite paper supporting mechanism includes A support bases, bearing and rotating shaft, and graphite paper is wound with the rotating shaft, described
Rotating shaft is arranged on A support bases by bearing, and the A support bases are fixed on above cutting agency by frame.
Described electrolysis reaction device also includes motor, and the graphite roller passes through belt and motor connection.
The cutting agency also includes compression cylinder, and the compression cylinder is connected with hold-down roller.
The top of the electrolytic cell is fixedly installed B support bases, graphite roller, hold-down roller and the compression by frame
Cylinder is installed on B support bases.
The graphite cake is arranged in electrolytic cell by the slot on electrolytic cell inwall.
Two pieces of inclined slag-guiding plates are symmetrically arranged with the electrolytic cell, the electrolytic cell is externally connected with evacuated tube, described
Evacuated tube is located at the bottom of slag-guiding plate.
The quantity of the graphite cake is polylith, and polylith graphite cake is uniformly arranged in electrolytic cell, and every two pieces of graphite cakes it
Between a set of graphite paper supporting mechanism and a set of cutting agency are set.
Using the advantage of the invention is that：
First, in the present invention, graphite paper turns into positive pole by conductive rollers, the graphite cake cooperation with as negative pole, is preparing
Other impurity will not be introduced in journey, process is simpler, is advantageous to the quick preparation of graphene, meanwhile, because graphite board raw material is easy to get,
Price is low, also helps reduction and prepares cost and prepare difficulty, is suitable for scale industrial production.Pass through graphite roller and pressure
The cooperation of tight roller, realizes the automation blanking of graphite paper so that graphite paper fully intercalation can expand with complete, not only improve
The quality of graphene is improved, solves the problems, such as that existing electrolysis unit can not automate in prepare with scale graphene again.
2nd, in the present invention, structure that graphite paper supporting mechanism is mainly made up of A support bases, bearing and rotating shaft so that graphite
Paper stably can enter electrolytic cell by graphite roller and hold-down roller.
3rd, in the present invention, by graphite roller and motor connection, the automatic blanking of graphite paper is realized.
4th, in the present invention, structure that compression cylinder be connected with hold-down roller, graphite roller and compression can neatly be adjusted
Spacing between roller, graphite paper can be made stably to enter electrolytic cell, be easy to the replacing of graphite paper roll again.
5th, in the present invention, graphite roller, hold-down roller and compression cylinder are uniformly installed by B support bases so that blanking machine
Structure can become one, and be advantageous to be rapidly completed installation of the cutting agency on electrolytic cell.
6th, in the present invention, graphite cake is arranged in electrolytic cell by slot, is advantageous to the Fast Installation of graphite cake.
7th, in the present invention, two pieces of inclined slag-guiding plates is symmetrical arranged in electrolytic cell, are advantageous to the quick row of residual residue
Go out.
8th, in the present invention, the quantity of graphite cake is set to polylith, and a set of graphite paper branch is set between every two pieces of graphite cakes
Support mechanism and a set of cutting agency；Cell reaction can be carried out to multiple graphite papers simultaneously i.e. in same electrolytic cell, be advantageous to
Accelerate the electrolytic speed of graphite paper, so as to realize the preparation of industrialization of graphene.
Brief description of the drawings
Fig. 1 is the main structure diagram of embodiment 1；
Fig. 2 is the overlooking the structure diagram of embodiment 1；
Fig. 3 is the structural representation of graphite paper supporting mechanism in embodiment 1；
Fig. 4 is the structural representation of cutting agency in embodiment 1；
Fig. 5 is the main structure diagram of electrolytic cell in embodiment 1；
Fig. 6 is the overlooking the structure diagram of electrolytic cell in embodiment 1；
Fig. 7 is the main structure diagram of embodiment 2；
Fig. 8 is the overlooking the structure diagram of embodiment 2；
In figure marked as：1st, electrolytic cell, 2, slot, 3, hold-down roller, 4, carbon brush, 5, graphite roller, 6, A support bases, 7,
Bearing, 8, rotating shaft, 9, motor, 10, compression cylinder, 11, B support bases, 12, slag-guiding plate, 13, evacuated tube, 14, graphite paper, 15, skin
Band, 16, frame.
Embodiment
Embodiment 1
A kind of electrolysis reaction device for preparing graphene, including electrolytic cell 1, motor 9, graphite cake, cutting agency and graphite
Paper supporting mechanism, the cutting agency include hold-down roller 3, compression cylinder 10 and the graphite being connected by carbon brush 4 with positive source
Conductive rollers 5, the hold-down roller 3 and graphite roller 5 are symmetricly set on the top of electrolytic cell 1, and the graphite roller 5 passes through belt
15 are connected with motor 9, and the compression cylinder 10 is connected with hold-down roller 3, for adjusting between graphite roller 5 and hold-down roller 3
Spacing, realize the smooth blanking of graphite paper 14；The graphite paper supporting mechanism is fixed on above cutting agency, for support around
Graphite paper 14；The graphite cake is connected by copper cash or copper bar with power cathode, and the graphite cake is arranged on electrolysis as negative pole
In groove 1.
In the present embodiment, the graphite paper supporting mechanism includes A support bases 6, bearing 7 and rotating shaft 8, is rolled up in the rotating shaft 8
Graphite paper 14 is wound with, the rotating shaft 8 is arranged on A support bases 6 by bearing 7, and the A support bases 6 are fixed on by frame 16
Above cutting agency.
In the present embodiment, the top of the electrolytic cell 1 is fixedly installed B support bases 11, the graphite guide by frame 16
Electric roller 5, hold-down roller 3 and compression cylinder 10 are installed on B support bases 11.Wherein, B support bases 11 are located under A support bases 6
Side.
In the present embodiment, slot 2 is provided with the inwall of the electrolytic cell 1, the graphite cake is arranged in electrolytic cell 1.
In the present embodiment, the electrolytic cell 1 is made using polypropylene material, acid and alkali-resistance salt corrosion.The motor 9 is frequency conversion
Buncher 9.The frame 16 is arranged on the top of electrolytic cell 1, is made using Q235 carbon steels, is mainly used in installing graphite paper branch
Support mechanism, motor 9 and cutting agency.The hold-down roller 3 is rubber rollers.Further, in order to prevent positive and negative polarities contact short circuit,
In graphite cake plastic wire panel is hung with by the side of graphite paper 14.
The operation principle of the present embodiment is：
1st, it is placed in first by graphite paper in rotating shaft 8 on A support bases 6, quantitative electricity is added into electrolytic cell 1
Solve liquid；
2nd, one end of graphite paper roll is elongated and be punctured between graphite roller 5 and hold-down roller 3, start compression cylinder 10 by stone
Black paper 14 compresses；
3rd, DC power anode connects graphite roller 5 by carbon brush 4, and negative pole connects graphite cake by copper cash, opens straight
Flow module power supply, frequency control motor 9 is opened, is immersed in electrolyte with making graphite paper roll uniform speed slow；
4th, graphite paper 14 starts stripping under electrochemical action and is shed in electrolyte, controls the decrease speed of graphite paper 14
It is consistent with peeling rate, after electrolysis terminates, closes dc source and buncher 9, finally obtain certain density expansion
Graphite suspension；
5th, by the filtering of expanded graphite suspension, washing, the salinity of adsorption is removed, is diluted with water to certain density slurry
Material, it is sonicated to obtain graphene dispersing solution；
6th, graphene dispersing solution is concentrated, is dried to obtain graphene powder.
Embodiment 2
A kind of electrolysis reaction device for preparing graphene, including electrolytic cell 1, motor 9, graphite cake, cutting agency and graphite
Paper supporting mechanism, the cutting agency include hold-down roller 3, compression cylinder 10 and the graphite being connected by carbon brush 4 with positive source
Conductive rollers 5, the hold-down roller 3 and graphite roller 5 are symmetricly set on the top of electrolytic cell 1, and the graphite roller 5 passes through belt
15 are connected with motor 9, and the compression cylinder 10 is connected with hold-down roller 3, for adjusting between graphite roller 5 and hold-down roller 3
Spacing, realize the smooth blanking of graphite paper 14；The graphite paper supporting mechanism is fixed on above cutting agency, for supporting graphite
Paper roll；The graphite cake is connected by copper cash or copper bar with power cathode, and the graphite cake is arranged on electrolytic cell 1 as negative pole
It is interior.
In the present embodiment, two pieces of inclined slag-guiding plates 12 are symmetrically arranged with the electrolytic cell 1, are connected outside the electrolytic cell 1
Evacuated tube 13 is connected to, the evacuated tube 13 is located at the bottom of slag-guiding plate 12.Can fast evacuation electricity in use, opening evacuated tube 13
Solve groove 1.
Embodiment 3
A kind of electrolysis reaction device for preparing graphene, including electrolytic cell 1, motor 9, graphite cake, cutting agency and graphite
Paper supporting mechanism, the cutting agency include hold-down roller 3, compression cylinder 10 and the graphite being connected by carbon brush 4 with positive source
Conductive rollers 5, the hold-down roller 3 and graphite roller 5 are symmetricly set on the top of electrolytic cell 1, and the graphite roller 5 passes through belt
15 are connected with motor 9, and the compression cylinder 10 is connected with hold-down roller 3, for adjusting between graphite roller 5 and hold-down roller 3
Spacing, realize the smooth blanking of graphite paper 14；The graphite paper supporting mechanism is fixed on above cutting agency, for supporting graphite
Paper roll；The graphite cake is connected by copper cash or copper bar with power cathode, and the graphite cake is arranged on electrolytic cell 1 as negative pole
It is interior.
In the present embodiment, the quantity of the graphite cake is polylith, and polylith graphite cake is uniformly arranged in electrolytic cell 1；Accordingly
The quantity of ground, graphite paper supporting mechanism and cutting agency is also more sets, and set a set of graphite paper branch between every two pieces of graphite cakes
Support mechanism and a set of cutting agency.Wherein, the graphite rollers 5 more in set cutting agencies by synchronous driving wheel and belt 15 with
Motor 9 connects, and realizes the at the uniform velocity blanking of multiple graphite papers 14.So, can is entered simultaneously to multiple graphite papers 14 when in use
Row electrolysis, reaches the purpose for greatly improving electrolytic efficiency.
Claims (6)
- A kind of 1. electrolysis reaction device for preparing graphene, it is characterised in that：Including electrolytic cell（1）, graphite cake, cutting agency and Graphite paper supporting mechanism, the cutting agency include hold-down roller（3）With pass through carbon brush（4）The graphite being connected with positive source Roller（5）, the hold-down roller（3）With graphite roller（5）It is symmetricly set on electrolytic cell（1）Top, the graphite paper supporting mechanism It is fixed on above cutting agency, the graphite cake is arranged on electrolytic cell as negative pole（1）It is interior；The graphite paper supporting mechanism includes A support bases（6）, bearing（7）And rotating shaft（8）, the rotating shaft（8）On be wound with graphite Paper（14）, the rotating shaft（8）Pass through bearing（7）It is arranged on A support bases（6）On, the A support bases（6）Pass through frame（16）Gu It is scheduled on above cutting agency；Described electrolysis reaction device also includes motor（9）, the graphite roller（5）Pass through belt（15）With motor（9）Even Connect.
- 2. the electrolysis reaction device as claimed in claim 1 for preparing graphene, it is characterised in that：The cutting agency also includes Compression cylinder（10）, the compression cylinder（10）With hold-down roller（3）Connection.
- 3. the electrolysis reaction device as claimed in claim 1 for preparing graphene, it is characterised in that：The electrolytic cell（1）It is upper Side passes through frame（16）It is fixedly installed B support bases（11）, the graphite roller（5）, hold-down roller（3）And compression cylinder（10） It is installed in B support bases（11）On.
- 4. the electrolysis reaction device as claimed in claim 1 for preparing graphene, it is characterised in that：The graphite cake passes through electrolysis Groove（1）Slot on inwall（2）It is arranged on electrolytic cell（1）It is interior.
- 5. the electrolysis reaction device as claimed in claim 1 for preparing graphene, it is characterised in that：The electrolytic cell（1）It is interior right Title is provided with two pieces of inclined slag-guiding plates（12）, the electrolytic cell（1）It is externally connected with evacuated tube（13）, the evacuated tube（13）Position In slag-guiding plate（12）Bottom.
- 6. the electrolysis reaction device for preparing graphene as any one of claim 1-5, it is characterised in that：The stone The quantity of black plate is polylith, and polylith graphite cake is uniformly arranged on electrolytic cell（1）It is interior, and a set of stone is set between every two pieces of graphite cakes Black paper supporting mechanism and a set of cutting agency.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710043229.7A CN106544690B (en) | 2017-01-21 | 2017-01-21 | Prepare the electrolysis reaction device of graphene |
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| CN201710043229.7A CN106544690B (en) | 2017-01-21 | 2017-01-21 | Prepare the electrolysis reaction device of graphene |
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| CN106544690B true CN106544690B (en) | 2018-03-13 |
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| CN115650217B (en) * | 2022-10-12 | 2023-12-08 | 德阳烯碳科技有限公司 | Graphene electrolytic reaction equipment |
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| US8920614B2 (en) * | 2012-12-18 | 2014-12-30 | Chung-Shan Institute Of Science And Technology | Device designed for continuous production of graphene flakes by electrochemical method |
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| CN103879998A (en) * | 2013-12-27 | 2014-06-25 | 杭州金马能源科技有限公司 | Device for preparing graphene through large-scale electrochemical efficient stripping |
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