CN114014304A - Preparation method and preparation equipment of graphene - Google Patents
Preparation method and preparation equipment of graphene Download PDFInfo
- Publication number
- CN114014304A CN114014304A CN202111434760.XA CN202111434760A CN114014304A CN 114014304 A CN114014304 A CN 114014304A CN 202111434760 A CN202111434760 A CN 202111434760A CN 114014304 A CN114014304 A CN 114014304A
- Authority
- CN
- China
- Prior art keywords
- graphene
- laser
- plate
- preparation
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 44
- 238000002360 preparation method Methods 0.000 title claims abstract description 35
- 229920000642 polymer Polymers 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims description 16
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 4
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 claims description 3
- 229930006000 Sucrose Natural products 0.000 claims description 3
- 239000005720 sucrose Substances 0.000 claims description 3
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 2
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 2
- 239000004962 Polyamide-imide Substances 0.000 claims description 2
- 239000004695 Polyether sulfone Substances 0.000 claims description 2
- 239000004697 Polyetherimide Substances 0.000 claims description 2
- 239000004793 Polystyrene Substances 0.000 claims description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 2
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 claims description 2
- 239000001913 cellulose Substances 0.000 claims description 2
- 229920002678 cellulose Polymers 0.000 claims description 2
- 239000003822 epoxy resin Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000000123 paper Substances 0.000 claims description 2
- 229920001568 phenolic resin Polymers 0.000 claims description 2
- 239000005011 phenolic resin Substances 0.000 claims description 2
- 229920002312 polyamide-imide Polymers 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 229920002530 polyetherether ketone Polymers 0.000 claims description 2
- 229920002223 polystyrene Polymers 0.000 claims description 2
- 239000002023 wood Substances 0.000 claims description 2
- 239000000945 filler Substances 0.000 claims 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims 2
- 230000000694 effects Effects 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 7
- 229910052799 carbon Inorganic materials 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000003054 catalyst Substances 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 abstract description 3
- 239000002243 precursor Substances 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 230000006698 induction Effects 0.000 description 4
- 238000006722 reduction reaction Methods 0.000 description 4
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 125000001967 indiganyl group Chemical group [H][In]([H])[*] 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/15—Nano-sized carbon materials
- C01B32/182—Graphene
- C01B32/184—Preparation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/362—Laser etching
Abstract
The invention discloses a preparation method and preparation equipment of graphene, which comprise the following operation steps: step S1, operation setting; step S2, operating scribing; step S1, the laser wavelength is set to be 10.6 mu m CO2The laser is set to a certain power, scanning speed and scanning times; step S2, in a specific atmosphere, setting the CO set in the step S12Laser scribing is carried out on the polymer according to a set pattern by a laser; the invention has the advantages of simple process, low cost, high efficiency, no catalyst, clean and pollution-free preparation process and environmental protection; the graphene can be prepared by taking a polymer or other materials capable of forming carbon as raw materials, and the graphene prepared by the method can directly introduce defects or impurities on the surface, so that the graphene is beneficial to application in certain fields; the method realizes the controllability of graphene patterns on the premise of not using shielding, templates and precursors, and has wider raw material selectivity, thereby being applied and researched in various fieldsAre becoming more and more widespread.
Description
Technical Field
The invention relates to the technical field of graphene preparation, in particular to a graphene preparation method and preparation equipment.
Background
Due to the excellent physicochemical properties of graphene, such as ultra-high carrier mobility (about 105 cm)2Vs), ultra-high thermal conductivity (about 5kW/m · K), excellent mechanical properties (1TPa) and large theoretical specific surface area (2630 m)2/g), so that the material can be widely applied to the fields of energy storage, sensors, optical devices, biomedicine and the like. The preparation method of graphene is always a focus of researchers, for example, common mechanical stripping methods, redox methods, chemical vapor deposition methods and the like have a large number of layers of graphite, so that the product quality cannot be guaranteed, and the chemical vapor deposition methods have the defects of high cost, low preparation efficiency and the like, and particularly have uncontrollable shapes when used for special purposes, so that a graphene preparation method integrating stripping, oxidation, reduction and 3D forming needs to be developed to meet the requirements of potential application fields.
The laser has excellent characteristics of high brightness, high directivity, high coherence, monochromaticity and the like, and is a precise and controllable high-energy-density heat source. The method is mature in the fields of micro-cutting, high-performance synthesis, spraying, punching, welding and the like. Laser light has high energy, directionality, and microscopic properties, and thus has a huge application space in the field of ultra-fine. Particularly, the method has great advantages in some fields of fine crushing, precise cutting and the like. The method is characterized in that laser is applied to preparation of graphene, mainly laser is irradiated on a polymer, and growth of carbon crystal grains and crystal nuclei is induced by utilizing laser deposition, laser induction and laser-assisted reduction, so that graphene is formed.
In recent years, researchers develop a plurality of novel graphene preparation methods, such as laser induction, photo-thermal/chemical reduction, microwave reduction and the like, wherein the laser induction is used for preparing graphene, the process is simple, the cost is low, the efficiency is high, a catalyst is not used, the preparation process is more environment-friendly, graphene oxide can be reduced into graphene, polymers or other materials capable of forming carbon can be used as raw materials for preparing graphene, and the method for preparing graphene can directly introduce defects or impurities on the surface, so that the method is beneficial to application in some fields. Compared with the traditional graphene preparation method, the method is simple and convenient in process and lower in cost, can realize controllable graphene patterns on the premise of not using shielding, templates and precursors, and has wider raw material selectivity, so that the method is more and more widely applied and researched in various fields.
And existing CO2The laser requires an operator to manually place the polymer in the CO2Below the laser, in the CO2After the laser works, the scribed polymer is taken out, and a new polymer to be processed is replaced, so that the working efficiency is low.
Disclosure of Invention
The invention aims to solve the problems, designs a preparation method and preparation equipment of graphene, and solves the problems in the background art.
The technical scheme of the invention for realizing the aim is as follows: a preparation method of graphene comprises the following operation steps: step S1, operation setting; step S2, operating scribing;
step S1, the laser wavelength is set to be 10.6 mu m CO2The laser is set to a certain power, scanning speed and scanning times;
step S2, in a specific atmosphere, setting the CO set in the step S12The laser scribes a set pattern on the polymer.
The power in the step S1 is 0.5W-8.9W; the scanning rate in the step S1 is 0.75cm/S-20 cm/S; the number of scans in the step S1 is 1 to 6.
The atmosphere in the step S2 includes air, H2、O2、Ar、SF6One or more of; the polymer in the step S2 is PI, PEEK, sucrose, paper, phenolic resin, wood, polyamide-imide, PES, PEI, cross-linked polystyrene, epoxy resin, phosphoric acid-treated cellulose, or the like.
The technical scheme of the invention for realizing the aim is as follows: the preparation equipment applied to the preparation method of the graphene comprises a base, wherein a feeding structure is arranged on the base, a scribing structure is further arranged on the base, an air-entrapping structure is arranged on the scribing structure, and a sealing structure is further arranged on the scribing structure;
the pay-off structure includes: the positioning device comprises a fixed seat, an electric turntable, two first hydraulic cylinders, two placing plates, two bosses, two positioning parts and two guide parts;
the fixing seat is installed on the base, the electric rotary table is installed on the fixing seat, the two first hydraulic cylinders are symmetrically installed on the electric rotary table, the two placing plates are installed on the telescopic ends of the two first hydraulic cylinders, the two bosses are installed on the upper wall surfaces of the two placing plates respectively, the two positioning portions are installed on the lower wall surfaces of the two placing plates, and the two guiding portions are installed on the two first hydraulic cylinders.
The positioning portion includes: the device comprises a fixed frame, a first motor, a split lead screw, two sliding blocks, two first supports, a lead screw module, a second support and a limiting assembly;
the fixed frame is installed on the lower wall surface of the placing plate, the first motor is installed on the fixed frame, the opposite-pulling rod is installed on a first motor driving end, the opposite-pulling rod is movably inserted into the fixed frame, the two sliding blocks are sleeved on the opposite-pulling rod respectively, the two first supports are installed on the two sliding blocks, the screw rod module is installed on the lower wall surface of the placing plate, the second support is installed on the moving end of the screw rod module, and the limiting assembly is installed on the placing plate.
The spacing subassembly includes: the support plate, the two first cylinders and the limiting plate;
the supporting plate is arranged on the placing plate, the two first cylinders are arranged on the supporting plate, and the limiting plates are arranged at the telescopic ends of the two first cylinders.
The guide portion includes: the fixing plate, the telescopic rod and the connecting plate;
the fixed plate is installed on the first hydraulic cylinder, the telescopic rod is installed on the fixed plate, the connecting plate is installed at the telescopic end of the telescopic rod and installed on the connecting plate, and the connecting plate is installed on the lower wall face of the placing plate.
The scribing structure includes: the laser device comprises a machine body frame, a second hydraulic cylinder and a laser device body;
the laser body is arranged at the telescopic end of the second hydraulic cylinder.
The air-entrapping structure comprises: the air charging device comprises an air charging port, a first electromagnetic valve, a second air cylinder, a rotating shaft, a gear disc, a plurality of air pipes, a plurality of second electromagnetic valves, a second motor and a driving gear;
the air filling port is inserted on the body frame, the first electromagnetic valve is installed on the air filling port, the second cylinder is installed on the body frame, the telescopic end of the second cylinder is connected to the outer side wall surface of one end of the air filling port, the rotating shaft is movably inserted on the body frame, the gear disc is installed at one end of the rotating shaft, the ventilating pipe is in a circular array shape and is inserted on the gear disc, the second electromagnetic valve is installed on the ventilating pipe one end, the second motor is installed on the body frame, and the driving gear and the gear disc are meshed and are installed on the driving end of the second motor.
The seal structure includes: the four electric sliding rails, the two door openings, the four grooves and the four sealing gaskets;
the four electric sliding rails are arranged on the inner side wall surface of the frame body, the two opening doors are arranged on the moving ends of the four electric sliding rails, the four grooves are formed in the two opening doors, and the four sealing gaskets are arranged on the four grooves.
The preparation method and the preparation equipment of the graphene prepared by the technical scheme have the advantages of simple process, low cost, high efficiency, no use of catalyst, clean and pollution-free preparation process and environmental protection; the graphene can be prepared by taking a polymer or other materials capable of forming carbon as raw materials, and the graphene prepared by the method can directly introduce defects or impurities on the surface, so that the graphene is beneficial to application in certain fields; the method has the advantages that the controllable graphene pattern is realized on the premise of not using shielding, templates and precursors, and meanwhile, the raw materials are more selective, so that the application research in various fields is more and more extensive; two polymers are fixed by the feeding structure, one polymer is scribed by the scribing structure, the other polymer is subjected to scribing, the gas filling structure is used for filling gas before the scribing structure works, the sealing structure is used for sealing the gas to avoid gas diffusion, and after the scribing structure works, the positions of the two polymers are exchanged, so that the working efficiency is high.
Drawings
Fig. 1 is a schematic structural diagram of a front view of a graphene preparation device according to the present invention.
Fig. 2 is a top view of a feeding structure of the graphene preparation apparatus according to the present invention.
Fig. 3 is a partial side view of an air-entrapping structure of a graphene preparation apparatus according to the present invention.
Fig. 4 is a side view of a sealing structure of the graphene manufacturing apparatus according to the present invention.
Fig. 5 is a partially enlarged schematic view of the graphene preparation apparatus shown in fig. 1.
In the figure: 1. the base, 2, a fixed base, 3, sealed pad, 4, electric turntable, 5, first pneumatic cylinder, 6, place the board, 7, the boss, 8, fixed frame, 9, first motor, 10, to the lead screw, 11, the slider, 12, first support, 13, the lead screw module, 14, the second support, 15, the extension board, 16, first cylinder, 17, the limiting plate, 18, the fixed plate, 19, the telescopic link, 20, the connecting plate, 21, the fuselage frame, 22, the second pneumatic cylinder, 23, the laser instrument body, 24, the gas filling port, 25, first solenoid valve, 26, the second cylinder, 27, the pivot, 28, the toothed disc, 29, the breather pipe, 30, the second solenoid valve, 31, the second motor, 32, the driving gear, 33, electronic slide rail, 34, open the door.
Detailed Description
Example 1
(1) CO with laser wavelength of 10.6 μm2Laser power was set to 4.8W, scan speed was set to 8.9cm/s and scan was set to 1 times;
(2) in the skyIn the gas, the set CO in the step (1) is2And (3) carrying out laser scribing on the polymer PI by using a laser to obtain the cellular porous graphene.
Example 2
(1) CO with laser wavelength of 10.6 μm2Laser power was set to 7.5W, scan speed was set to 15.24cm/s and scan was set to 1 times;
(2) at H2In the atmosphere, the set CO in the step (1) is2And performing laser induction on the mixed raw material of the sucrose and the nickel powder by using a laser to obtain the graphene foam with a complex shape.
Example 3
(1) CO with laser wavelength of 10.6 μm2The laser power was set to 1.5W, the scanning speed was set to 15cm/s and the scanning was set to 1 time;
(2) at O2air/Ar/H2/SF6In mixed atmosphere, the set CO in the step (1) is2And (3) performing laser irradiation on the polymer PI by using a laser to obtain S and F doped graphene.
Example 4
All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet the control requirements, and specific connection and control sequences should be obtained.
The invention is described in detail with reference to the accompanying drawings, and as shown in fig. 1-5, a graphene preparation device comprises a base 1, wherein a feeding structure is arranged on the base 1, a scribing structure is also arranged on the base 1, an air-entrapping structure is arranged on the scribing structure, and a sealing structure is also arranged on the scribing structure;
wherein, it is required to be noted that: the base 1 is used for installing a feeding structure and a scribing structure, the feeding structure fixes two polymers, the scribing structure scribes one of the polymers, the other polymer waits for scribing, a gas filling structure fills gas before the scribing structure works, the sealing structure seals the gas to avoid gas diffusion, and after the scribing structure works, the positions of the two polymers are exchanged, so that the working efficiency is high;
in the specific implementation process, the feeding structure can preferably adopt the following structure, which comprises the following steps: the device comprises a fixed seat 2, an electric turntable 4, two first hydraulic cylinders 5, two placing plates 6, two bosses 7, two positioning parts and two guide parts; the fixed seat 2 is arranged on the base 1, the electric rotary table 4 is arranged on the fixed seat 2, the two first hydraulic cylinders 5 are symmetrically arranged on the electric rotary table 4, the two placing plates 6 are arranged on the telescopic ends of the two first hydraulic cylinders 5, the two bosses 7 are respectively arranged on the upper wall surfaces of the two placing plates 6, the two positioning parts are arranged on the lower wall surfaces of the two placing plates 6, and the two guide parts are arranged on the two first hydraulic cylinders 5;
wherein, it is required to be noted that: the polymer is placed on the boss 7, the two positioning parts work to fix the polymer, the electric turntable 4 rotates to form a polymer alignment marking structure, the first hydraulic cylinder 5 extends, and when the marking structure works, the polymer to be processed is placed on the other boss 7 to be fixed, so that the working efficiency is high;
in a specific implementation process, the positioning portion may preferably adopt the following structure, which includes: the device comprises a fixed frame 8, a first motor 9, a split lead screw 10, two sliding blocks 11, two first supports 12, a lead screw module 13, a second support 14 and a limiting assembly; the fixing frame 8 is installed on the lower wall surface of the placing plate 6, the first motor 9 is installed on the fixing frame 8, the opposite tension rod 10 is installed on the driving end of the first motor 9, the opposite tension rod 10 is movably inserted on the fixing frame 8, the two sliding blocks 11 are respectively sleeved on the opposite tension rod 10, the two first brackets 12 are installed on the two sliding blocks 11, the screw rod module 13 is installed on the lower wall surface of the placing plate 6, the second bracket 14 is installed on the moving end of the screw rod module 13, and the limiting assembly is installed on the placing plate 6;
wherein, it is required to be noted that: the first motor 9 works to drive the opposite tension rod 10 to rotate, the two sliding blocks 11 drive the two first brackets 12 to move to fix the two sides of the polymer, the screw rod module 13 works, and the second bracket 14 is fixed to the front end of the polymer;
in the specific implementation process, the limiting assembly can preferably adopt the following structure, and comprises the following components: the support plate 15, the two first cylinders 16 and the limit plate 17; the support plate 15 is arranged on the placing plate 6, the two first cylinders 16 are arranged on the support plate 15, and the limiting plate 17 is arranged at the telescopic ends of the two first cylinders 16;
wherein, it is required to be noted that: the two first cylinders 16 work, the position of the limit plate 17 is adjusted, and the rear end of the polymer is fixed;
in a specific implementation, the guide portion may preferably adopt the following structure, which includes: a fixed plate 18, a telescopic rod 19 and a connecting plate 20; the fixed plate 18 is arranged on the first hydraulic cylinder 5, the telescopic rod 19 is arranged on the fixed plate 18, the connecting plate 20 is arranged on the connecting plate 20 and is arranged at the telescopic end of the telescopic rod 19, and the connecting plate 20 is arranged on the lower wall surface of the placing plate 6;
wherein, it is required to be noted that: in the process of extending and retracting the first hydraulic cylinder 5, the telescopic rod 19 works therewith to protect the first hydraulic cylinder 5;
in a specific implementation, the scribing structure may preferably adopt the following structure, which includes: a body frame 21, a second hydraulic cylinder 22, and a laser body 23; the machine body frame 21 is arranged on the base 1, the second hydraulic cylinder 22 is arranged on the top surface of the inner side of the machine body frame 21, and the laser body 23 is arranged at the telescopic end of the second hydraulic cylinder 22;
wherein, it is required to be noted that: the second hydraulic cylinder 22 stretches and contracts to adjust the distance between the laser body 23 and the polymer, the first hydraulic cylinder 5 extends to the polymer to align with the laser body 23, and the laser body 23 scribes the polymer;
in a specific implementation, the air-entrapping structure may preferably adopt the following structure, which includes: the air charging device comprises an air charging port 24, a first electromagnetic valve 25, a second air cylinder 26, a rotating shaft 27, a gear plate 28, a plurality of air pipes 29, a plurality of second electromagnetic valves 30, a second motor 31 and a driving gear 32; the air charging port 24 is inserted in the machine body frame 21, the first electromagnetic valve 25 is installed on the air charging port 24, the second air cylinder 26 is installed on the machine body frame 21, the telescopic end of the second air cylinder 26 is connected to the outer side wall surface of one end of the air charging port 24, the rotating shaft 27 is movably inserted in the machine body frame 21, the gear disc 28 is installed at one end of the rotating shaft 27, the plurality of air pipes 29 are inserted in the gear disc 28 in a circular array shape, the plurality of second electromagnetic valves 30 are installed at one ends of the plurality of air pipes 29, the second motor 31 is installed on the machine body frame 21, and the driving gear 32 and the gear disc 28 are installed at the driving end of the second motor 31 in a meshing manner;
wherein, it is required to be noted that: the plurality of vent pipes 29 are respectively used for conveying air, H2, O2, Ar and SF6, the second motor 31 works, the driving gear 32 drives the gear plate 28 to rotate, gas to be introduced is aligned to the gas adding port 24, the second air cylinder 26 extends to connect the gas adding port 24 with the vent pipes 29, then the first electromagnetic valve 25 and the second electromagnetic valve 30 are opened for gas adding, and the first electromagnetic valve 25 and the second electromagnetic valve 30 are closed after the gas adding is finished;
in a specific implementation, the sealing structure may preferably adopt the following structure, which includes: four electric slide rails 33, two door opening 34, four grooves and four sealing gaskets 3; four electric slide rails 33 are arranged on the inner side wall surface of the machine body frame 21, two opening doors 34 are arranged on the moving ends of the four electric slide rails 33, four grooves are formed in the two opening doors 34, and four sealing gaskets 3 are arranged on the four grooves;
wherein, it is required to be noted that: after the first hydraulic cylinder 5 extends to the position where the polymer is aligned with the laser body 23, the four electric slide rails 33 work to close the two doors 34, the four grooves are matched with the first hydraulic cylinder 5 and the telescopic rod 19 in pairs, and the four sealing gaskets 3 are used for sealing.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (10)
1. The preparation method of the graphene is characterized by comprising the following operation steps: step S1, operation setting; step S2, operating scribing;
step S1, the laser wavelength is set to be 10.6 mu m CO2The laser is set to a certain power, scanning speed and scanning times;
step S2. In a specific atmosphere, the CO set in the step S12The laser scribes a set pattern on the polymer.
2. The method according to claim 1, wherein the power in step S1 is 0.5W-8.9W; the scanning rate in the step S1 is 0.75cm/S-20 cm/S; the number of scans in the step S1 is 1 to 6.
3. The method according to claim 2, wherein the atmosphere in step S2 comprises air and H2、O2、Ar、SF6One or more of; the polymer in the step S2 is PI, PEEK, sucrose, paper, phenolic resin, wood, polyamide-imide, PES, PEI, cross-linked polystyrene, epoxy resin, phosphoric acid-treated cellulose.
4. The preparation equipment applied to the preparation method of the graphene according to any one of claims 1 to 3, comprising a base (1), wherein the base (1) is provided with a feeding structure, the base (1) is further provided with a scribing structure, the scribing structure is provided with an air-entrapping structure, and the scribing structure is further provided with a sealing structure;
the pay-off structure includes: the device comprises a fixed seat (2), an electric turntable (4), two first hydraulic cylinders (5), two placing plates (6), two bosses (7), two positioning parts and two guide parts;
the fixing seat (2) is installed on the base (1), the electric rotary table (4) is installed on the fixing seat (2), the first hydraulic cylinders (5) are symmetrically installed on the electric rotary table (4), the placing plates (6) are installed on the telescopic ends of the first hydraulic cylinders (5), the bosses (7) are installed on the upper wall face of the placing plates (6), the positioning portions are installed on the lower wall face of the placing plates (6), and the guide portions are installed on the first hydraulic cylinders (5).
5. The apparatus according to claim 4, wherein the positioning unit comprises: the device comprises a fixed frame (8), a first motor (9), a split bar (10), two sliding blocks (11), two first brackets (12), a bar module (13), a second bracket (14) and a limiting assembly;
the fixed frame (8) is installed on the lower wall face of the placing plate (6), the first motor (9) is installed on the fixed frame (8), the opposite pull rod (10) is installed on the driving end of the first motor (9), the opposite pull rod (10) is movably inserted into the fixed frame (8), the two sliding blocks (11) are respectively sleeved on the opposite pull rod (10), the two first supports (12) are installed on the two sliding blocks (11), the lead rod module (13) is installed on the lower wall face of the placing plate (6), the second support (14) is installed on the moving end of the lead rod module (13), and the limiting assembly is installed on the placing plate (6).
6. The graphene preparation apparatus according to claim 5, wherein the limiting assembly comprises: the device comprises a support plate (15), two first cylinders (16) and a limit plate (17);
the supporting plate (15) is installed on the placing plate (6), the two first cylinders (16) are installed on the supporting plate (15), and the limiting plate (17) is installed at the telescopic ends of the two first cylinders (16).
7. The apparatus according to claim 4, wherein the guide unit includes: a fixed plate (18), a telescopic rod (19) and a connecting plate (20);
the fixed plate (18) is installed on the first hydraulic cylinder (5), the telescopic rod (19) is installed on the fixed plate (18), the connecting plate (20) is installed on the connecting plate (20) and installed at the telescopic end of the telescopic rod (19), and the connecting plate (20) is installed on the lower wall face of the placing plate (6).
8. The graphene manufacturing apparatus according to claim 4, wherein the scribing structure includes: a body frame (21), a second hydraulic cylinder (22), and a laser body (23);
the laser device is characterized in that the body frame (21) is installed on the base (1), the second hydraulic cylinder (22) is installed on the top surface of the inner side of the body frame (21), and the laser device body (23) is installed at the telescopic end of the second hydraulic cylinder (22).
9. The graphene preparation apparatus according to claim 8, wherein the gas-filling structure comprises: the air cylinder is characterized by comprising an air inlet (24), a first electromagnetic valve (25), a second air cylinder (26), a rotating shaft (27), a gear disc (28), a plurality of air pipes (29), a plurality of second electromagnetic valves (30), a second motor (31) and a driving gear (32);
air filler (24) cartridge is on fuselage frame (21), first solenoid valve (25) are installed on air filler (24), second cylinder (26) are installed on fuselage frame (21), just second cylinder (26) flexible end is connected on air filler (24) one end outside wall, pivot (27) activity cartridge is on fuselage frame (21), gear disc (28) are installed in pivot (27) one end, a plurality of breather pipe (29) are circular array form cartridge on gear disc (28), a plurality of second solenoid valve (30) are installed in a plurality of breather pipe (29) one end, second motor (31) are installed on fuselage frame (21), install in second motor (31) drive with gear disc (28) meshing and serve in second motor (31) drive.
10. The apparatus according to claim 8, wherein the sealing structure comprises: the device comprises four electric slide rails (33), two opening doors (34), four grooves and four sealing gaskets (3);
four electric slide rail (33) are installed on the side wall face in fuselage frame (21), two open door (34) and install in four on the electric slide rail (33) removal end, four the recess is seted up in two open door (34) is last, four sealed pad (3) are installed in four on the recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111434760.XA CN114014304B (en) | 2021-11-29 | 2021-11-29 | Preparation method and preparation equipment of graphene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111434760.XA CN114014304B (en) | 2021-11-29 | 2021-11-29 | Preparation method and preparation equipment of graphene |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114014304A true CN114014304A (en) | 2022-02-08 |
| CN114014304B CN114014304B (en) | 2024-02-20 |
Family
ID=80066979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111434760.XA Active CN114014304B (en) | 2021-11-29 | 2021-11-29 | Preparation method and preparation equipment of graphene |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114014304B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150163923A1 (en) * | 2013-12-11 | 2015-06-11 | The Government Of The United States Of America, As Represented By The Secretary Of The Navy | Sub-micron Laser Patterning of Graphene and 2D Materials |
| CA2968886A1 (en) * | 2014-11-26 | 2016-08-24 | William Marsh Rice University | Laser induced graphene hybrid materials for electronic devices |
| US20170062821A1 (en) * | 2014-02-17 | 2017-03-02 | William Marsh Rice University | Laser induced graphene materials and their use in electronic devices |
| CN106925885A (en) * | 2017-02-17 | 2017-07-07 | 中国船舶重工集团公司第七二五研究所 | A kind of method that laser prepares different graphene pattern strain transducers |
| CN107381548A (en) * | 2017-07-31 | 2017-11-24 | 江苏大学 | A kind of laser quick in situ prepares the apparatus and method with transfer large-area graphene |
| CN107416799A (en) * | 2017-07-31 | 2017-12-01 | 江苏大学 | A kind of apparatus and method for improving graphene preparation efficiency |
| WO2018085789A1 (en) * | 2016-11-06 | 2018-05-11 | William Marsh Rice University | Methods of fabricating laser-induced graphene and compositions thereof |
| CN207842077U (en) * | 2017-10-31 | 2018-09-11 | 成都视必康医疗科技有限公司 | A kind of graphene 3D printer with profile measurement function |
| CN212127534U (en) * | 2020-03-23 | 2020-12-11 | 镭射谷科技（深圳）股份有限公司 | Laser direct writing device |
| KR20210002261A (en) * | 2019-06-28 | 2021-01-08 | 중앙대학교 산학협력단 | Densification of LaserInduced Graphene |
| CN113481461A (en) * | 2021-05-27 | 2021-10-08 | 陕西科技大学 | Method for in-situ growth of graphene on surface of plasma alloying contact by laser |
-
2021
- 2021-11-29 CN CN202111434760.XA patent/CN114014304B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150163923A1 (en) * | 2013-12-11 | 2015-06-11 | The Government Of The United States Of America, As Represented By The Secretary Of The Navy | Sub-micron Laser Patterning of Graphene and 2D Materials |
| US20170062821A1 (en) * | 2014-02-17 | 2017-03-02 | William Marsh Rice University | Laser induced graphene materials and their use in electronic devices |
| CN112479189A (en) * | 2014-02-17 | 2021-03-12 | 威廉马歇莱思大学 | Laser-induced graphene materials and their use in electronic devices |
| US20190088420A1 (en) * | 2014-11-26 | 2019-03-21 | William Marsh Rice University | Laser induced graphene hybrid materials for electronic devices |
| CA2968886A1 (en) * | 2014-11-26 | 2016-08-24 | William Marsh Rice University | Laser induced graphene hybrid materials for electronic devices |
| CN110167877A (en) * | 2016-11-06 | 2019-08-23 | 威廉马歇莱思大学 | Manufacture the method for graphene and combinations thereof of induced with laser |
| WO2018085789A1 (en) * | 2016-11-06 | 2018-05-11 | William Marsh Rice University | Methods of fabricating laser-induced graphene and compositions thereof |
| CN106925885A (en) * | 2017-02-17 | 2017-07-07 | 中国船舶重工集团公司第七二五研究所 | A kind of method that laser prepares different graphene pattern strain transducers |
| CN107416799A (en) * | 2017-07-31 | 2017-12-01 | 江苏大学 | A kind of apparatus and method for improving graphene preparation efficiency |
| CN107381548A (en) * | 2017-07-31 | 2017-11-24 | 江苏大学 | A kind of laser quick in situ prepares the apparatus and method with transfer large-area graphene |
| CN207842077U (en) * | 2017-10-31 | 2018-09-11 | 成都视必康医疗科技有限公司 | A kind of graphene 3D printer with profile measurement function |
| KR20210002261A (en) * | 2019-06-28 | 2021-01-08 | 중앙대학교 산학협력단 | Densification of LaserInduced Graphene |
| CN212127534U (en) * | 2020-03-23 | 2020-12-11 | 镭射谷科技（深圳）股份有限公司 | Laser direct writing device |
| CN113481461A (en) * | 2021-05-27 | 2021-10-08 | 陕西科技大学 | Method for in-situ growth of graphene on surface of plasma alloying contact by laser |
Non-Patent Citations (1)
| Title |
|---|
| JIAN LIN ET AL.: "Laser-induced porous graphene films from commercial polymers", pages 2 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114014304B (en) | 2024-02-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2021041685A (en) | Multidirectional marble cutting apparatus | |
| CN104385594A (en) | Rapid molding apparatus | |
| CN114014304A (en) | Preparation method and preparation equipment of graphene | |
| CN102506576B (en) | Microwave sintering equipment | |
| CN108941053B (en) | Dust removing device for motor shell | |
| CN203612963U (en) | Expansion furnace provided with rotary quartz tube and capable of being fed continuously | |
| CN210731563U (en) | Feeding mechanism based on scissors foot equipment | |
| CN211908593U (en) | Motor high-voltage stator shaping equipment | |
| CN104227067A (en) | Efficient bidirectional numerical control punching device | |
| CN206415512U (en) | A kind of accurate hardware component diel | |
| CN213053280U (en) | Remotely-controllable laser cutting equipment | |
| CN211350868U (en) | Production device for lithium battery electrolyte | |
| CN209939981U (en) | Centering and pressing device | |
| CN109605741A (en) | A kind of selective laser sintering device and method carrying out carbon fiber oriented alignment using gasified pattern | |
| CN210161235U (en) | Support cutting machine of both ends cutting bellows | |
| CN203917551U (en) | A kind of open type plate spinning machine | |
| CN213832274U (en) | Frame diolame equipment | |
| CN205058652U (en) | Four -wire irradiation tractor | |
| CN220374168U (en) | Multidirectional stone carving machine | |
| CN206578413U (en) | A kind of gas cutting workbench | |
| CN218088972U (en) | Preparation device of graphite film | |
| CN219380855U (en) | Positioning punching equipment | |
| CN212371264U (en) | Edge milling equipment applied to large sheet metal part | |
| CN211941306U (en) | Device is used in production of honeycomb panel board | |
| CN109648909A (en) | A kind of microwell plate dry-press process equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhou Suchao Inventor after: Sun Baoguo Inventor after: Yang Yuna Inventor after: Chen Yanpeng Inventor before: Zhou Suchao Inventor before: Chen Yunji Inventor before: Sun Baoguo Inventor before: Yang Yuna Inventor before: Chen Yanpeng |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240112 Address after: 202, Floor 2, Unit 1, Building 12, Yard 18, Yanxin South Road, Yanshan District, Fangshan District, Beijing 102400 Applicant after: Rongene New Material (Beijing) Technology Co.,Ltd. Address before: 102400 2F, building 12, yard 18, Yanxin South Road, Yanshan District, Beijing Applicant before: Alkene new material (Beijing) Technology Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |