CN206741996U - A kind of electrostatic Laser Desorption graphene technology prepares carbon-coated aluminum foils device - Google Patents
A kind of electrostatic Laser Desorption graphene technology prepares carbon-coated aluminum foils device Download PDFInfo
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- CN206741996U CN206741996U CN201720489295.2U CN201720489295U CN206741996U CN 206741996 U CN206741996 U CN 206741996U CN 201720489295 U CN201720489295 U CN 201720489295U CN 206741996 U CN206741996 U CN 206741996U
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- carbon
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- coated aluminum
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Abstract
Surface treatment and technical field of film preparation are the utility model is related to, more particularly to a kind of electrostatic Laser Desorption graphene technology prepares carbon-coated aluminum foils device.Including transmitting device, cleaning and drying device, detection unit, laser cell, coating unit, computer, body；Cleaning and drying device, detection unit, laser cell, coating unit are installed on body successively, and computer passes through cable connection and controlling transmission device, cleaning and drying device, detection unit, laser cell, coating unit.The utility model passes through to applying the accurate control of carbon process and being used in mixed way for a certain proportion of nano-carbon powder and graphite, production efficiency can be improved, ensure that the carbon-coating of aluminium foil surface is evenly distributed densification, carbon dust thickness uniformity, carbon coating is set to be combined with foil substrate closer, so as to obtain the carbon-coated aluminum foils material that well conducting, strength and toughness are good, capacity is big.
Description
Technical field
It the utility model is related to surface treatment and technical field of film preparation, more particularly to a kind of electrostatic Laser Desorption graphite
Alkene technology prepares carbon-coated aluminum foils device.
Background technology
It is well known that can obtain the aluminium foil products of function admirable by calendering by casting aluminium ingot, its purposes is according to use
Environment, human demand and particular/special requirement etc. are widely used in food, beverage, cigarette, medicine, photographic plate, family daily necessity etc.
Different field, it is one of indispensable material in human lives.Particularly in battery, capacitor area, processed by rafifinal
Obtained light paper tinsel is obtaining the positive and negative pole material of function admirable after excessive erosion chemical conversion or face coat, and application is extremely widespread.
Electrode foil has popularized industrialization as the main positive and negative pole material of battery, electrolytic capacitor, at present towards Gao Rong
Amount, the direction stored greatly are developed, and the key factor for influenceing its performance is surface hole quantity and depth through excessive erosion, is considered
Phenomena such as may causing to perforate short circuit to the size of current difference for flowing through aluminium foil, the development of electrode foil is govern always.It is applied to
The carbon-coated aluminum foils of battery and capacitor, at present as the focus exploitation material of industry, its preparation method and technique are also continuous
Improve and innovation, traditional carbon-coated aluminum foils preparation technology mainly have following key step：First, using rafifinal by rolling
System, annealing, surface treatment etc. obtain the light paper tinsel of different-thickness requirement；Secondly, carbon-coated aluminum foils are obtained by coating processes；Again finally
The product of technical requirements is met by post processing.
Carbon-coated aluminum foils are quickly grown in recent years, and it is one prominent to carry out surface treatment to battery conductive base material using functional coating
The technological innovation of broken property, carbon-coated aluminum foils are exactly that the good nano particle of the electric conductivity such as scattered C particles, graphite is passed through into painting
Coating process, it is evenly coated with or is adhered to matrix surface, there is provided assemble active principle while preferable static conductive performance
Micro-current caused by grain, is greatly reduced contact resistance, and can improve adhesive ability between the two, can reduce the use of binding agent
Amount, and then produce the overall performance of battery and be obviously improved.The Related product on carbon-coated aluminum foils is gradually developing in the industry
Innovation, as ShanDong JingGong Electronic Science Co., Ltd discloses a kind of improved-type ferric phosphate lithium cell of circulation and its preparation side
Method (application number：CN104577012A), using carbon paper tinsel is applied, the contact between positive and negative pole material and collector can be greatly lowered
Internal resistance, adhesion between the two is improved, effectively improve the multiplying power discharging property of material.Northern science and engineering Deng Longzheng et al. is for applying
The performance of carbon aluminium foil is analyzed, find with using normal aluminium foil compared with collector, can be with by using carbon-coated aluminum foils
So that the internal resistance of battery reduces by 65% or so, capacity is improved under about 15% or so, 10C discharge-rates, and platform increase by 0.3~
0.4V, it is also higher using the normal temperature self-discharge rate of carbon-coated aluminum foils battery core, capacity restoration rate, but in terms of battery cryogenic property, make
Improvement is had no to cryogenic property with carbon-coated aluminum foils.
The shortcomings that for carbon-coated aluminum foils, as electric conductivity is not good enough, the strength of materials is not high enough and low temperature under carbon-coated aluminum foils
Performance it is unstable or the problems such as performance indications are not improved, coating material new in recent years arises, and has two dimension brilliant
The graphene of object constructional features, because turning into and grinding with many merits such as good electric conductivity, low-resistivity, high intensity and toughness
The focus and focus studied carefully.With the progressively breakthrough of the problems such as mass production and large scale, the commercial application of graphene walks
Cut down and accelerate, based on existing achievement in research, the field for realizing commercial applications at first may be mobile device, aviation boat
My god, new energy field of batteries.
In recent years, the researcher of Univ California-Los Angeles USA just develops a kind of miniature based on graphene
Ultracapacitor, the capacitor not only low-profile, and charging rate is 1000 times of common batteries, can be within the several seconds
Mobile phone even automobile charging, while available for the device of manufacture small volume.Miniature graphene super capacitor technology is broken through can be with
Say it is to bring revolutionary development to battery.The method of current main manufacture button capacitor is lithographic printing, it is necessary to throw
Enter substantial amounts of manpower and cost, hinder the business application of product.
Carbon-coated aluminum foils generally use traditional coating processes and grid cladding process at present, how by graphene with the shape of coating
Formula is combined and made the focus and technical barrier that there is composite excellent performance to be also modern research then with matrix phase, although beautiful
The graphene capacitor of the exploitations such as state has had blank, but from industrialization also farther out.
The content of the invention
The utility model provides a kind of electrostatic Laser Desorption graphene technology and prepares carbon-coated aluminum foils device, passes through computer
The process of manufacture for completing carbon-coated aluminum foils is precisely controlled, the fine and close carbon-coated aluminum foils of coating uniform is produced, meets high-grade, precision and advanced electricity
The market demand of subcomponent.
In order to achieve the above object, the utility model is realized using following technical scheme：
A kind of electrostatic Laser Desorption graphene technology prepares carbon-coated aluminum foils device, including conveyer, cleaning and drying device,
Detection unit, laser cell, coating unit, computer, body；Cleaning and drying dress is sequentially provided with the transmission direction of conveyer
Put, detection unit, laser cell, coating unit, cleaning and drying device, detection unit, laser cell, coating unit are installed on machine
On body, computer is by cable connection and controls conveyer, cleaning and drying device, detection unit, laser cell, coating single
Member.
The cleaning and drying device includes automatic aluminium foil brush, cleaning device, drying suction mist device；The cleaning device installation
In on the power transmission shaft of conveyer, cleaning device is provided with spray equipment, and spray equipment is located at automatic aluminium foil brush rear portion；It is described automatic
Aluminium foil brush is connected by cable with computer, computer according to aluminium foil surface adhere to greasy dirt, impurity number, regulating roller brush holder with
The distance of aluminium foil, adjust brushing dynamics and brushing-stroke velocity.
The detection unit is provided with charging detector, and charging detector is provided with prism, prism by cable and computer and
Laser cell is connected.The laser cell is provided with laser scanner, and laser scanner is connected by cable with computer.The painting
Cover unit and be sequentially provided with light-sensitive roller, storage roller drum, charging roller, fixing roller from left to right；Storage roller drum is provided with carbon dust chamber and carbon dust
Pipe, graphene are positioned over carbon dust intracavitary with carbon dust, and carbon dust is uniformly sprayed by the carbon dust pipe of carbon dust chamber bottom.
Compared with prior art, the beneficial effects of the utility model are：
1) device described in the utility model is automation equipment, automatically completes the production of carbon-coated aluminum foils, substantially increases
Production efficiency, reduce processing cost；
2) pretreatment stage uses automatic aluminium foil brush before carbon is applied, according to aluminium foil surface state, adjust brush dynamics and
Speed, the greasy dirt impurity of aluminium foil surface is removed, and then improve aluminium foil surface quality, improve coating character；
3) when aluminium foil enters coating unit, there is provided charging detector, after detecting that aluminium foil enters, rapidly by signal
Laser cell is passed to, promotes laser cell to launch laser beam, whole process time-consuming is short, and then improves production efficiency；
4) the utility model uses nano-carbon powder chamber, and cavity bottom is made up of several micron-sized carbon dust pipes, ensures carbon dust
Uniformly flowed out from cavity bottom, make aluminium foil surface carbon dust thickness uniformity, while enhance the electric conductivity of aluminium foil.
Brief description of the drawings
Fig. 1 is the structural representation of device described in the utility model；
Fig. 2 is utility model works flow chart.
In figure：1- conveyer 2- cleaning and drying device 3- detection unit 4- laser cell 5- coating units 6- is counted
The automatic aluminium foil brush 9- cleaning devices 10- drying of calculation machine 7- bodies 8- is inhaled mist device 11- spray equipment 12- prisms 13- and entered
Expect detector 14- laser scanner 15- light-sensitive roller 16- storage rollers drum 17- charging roller 18- fixing roller 19- carbon dust chambers
20- carbon dust pipes
Embodiment
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of electrostatic Laser Desorption graphene technology prepares carbon-coated aluminum foils device, including it is conveyer 1, clear
Clean drying unit 2, detection unit 3, laser cell 4, coating unit 5, computer 6, body 7.In the transmission direction of conveyer 1
Be sequentially provided with cleaning and drying device 2, detection unit 3, laser cell 4, coating unit 5, cleaning and drying device 2, detection unit 3,
Laser cell 4, coating unit 5 are installed on body.Computer 6 is by cable connection and controls conveyer 1, cleaning and drying to fill
Put 2, detection unit 3, laser cell 4, coating unit 5.
Aluminum foil coil is positioned in rolls of aluminum foil winding up roller groove, and first by uncoiler by aluminum foil coil uncoiling, uncoiling speed is 10-
15m/min, cleaning and drying device 2, detection unit 3, laser cell 4, painting are sequentially delivered to by transmission device 1 after aluminium foil uncoiling
Cover unit 5.
Cleaning and drying device 2 includes automatic aluminium foil brush 8, cleaning device 9, drying suction mist device 10.Cleaning device 9 is installed on
On the power transmission shaft of conveyer 1, cleaning device 9 is provided with spray equipment 11, and spray equipment 11 is located at the automatic rear portion of aluminium foil brush 8.From
Dynamic aluminium foil brush 8 is connected by cable with computer 6, computer 6 according to aluminium foil surface attachment greasy dirt, impurity number, regulating roller
The distance of brush holder and aluminium foil, adjust brushing dynamics and brushing-stroke velocity.
Detection unit 3 is provided with charging detector 13, and charging detector 13 is provided with prism 12, and prism 12 is by cable with calculating
Machine 6 and laser cell 4 are connected.Laser cell 4 is provided with laser scanner 14, and laser scanner 14 passes through cable and the phase of computer 6
Even.Coating unit 5 is sequentially provided with light-sensitive roller 15, storage roller drum 16, charging roller 17, fixing roller 18 from left to right.Storage roller drum 16
Provided with carbon dust chamber 19 and carbon dust pipe 20, graphene is positioned in carbon dust chamber 19 with carbon dust, the carbon that carbon dust passes through the bottom of carbon dust chamber 19
Tube cell 20 uniformly sprays.
Operation principle and workflow of the present utility model are as follows：
(1) pretreatment of graphene and carbon dust：With 20~50nm of granularity graphene powder and 1~2um of granularity carbon dust
As raw material；Graphene powder is respectively put into vacuum soaking pit with carbon dust to be heated, vacuum soaking pit is up and down
And 8~12 thermocouples are matched somebody with somebody in centre, 0.8~1.2kPa of vacuum, 50~80 DEG C are warming up to 1~2 DEG C/min heating rate,
It is incubated 5~10h.
(2) loading is handled：By graphene and carbon dust according to (0.8~1.2)：The mass ratio of (3.5~4.3) loads volume
In 500~800ml blending tank and vacuumize, vacuum is 1~2MPa；Batch mixer is opened, the vibration frequency of batch mixer is 300
~500Hz, rotating speed 1800-2500r/min, mixing time 10-20min, keep mixing tank temperature≤80~100 DEG C；It is mixed
Mixed-powder is fitted into the storage roller drum 16 for scribbling metallic selenium by material after terminating by automatic stuffing apparatus, while storage roller is roused
16 are loaded in preparation coating on coating unit 5.
(3) processing and detection of foil substrate：Wide 800~the 1200cm of light paper tinsel, 10~100um of thickness；Aluminum foil coil is positioned over aluminium
In paper tinsel winding up roller groove, by aluminum foil coil uncoiling, uncoiling speed it is 10-15m/min first by uncoiler, passes through biography after aluminum foil coil uncoiling
Dynamic device 1 is sent to cleaning and drying device 2.
First pass through automatic aluminium foil brush 8 and treat carbon-coated aluminum foils and cleared up, roller brush is woolens body, is adhered to according to aluminium foil surface
Greasy dirt, impurity number, height of the regulating roller brush away from light paper tinsel between 0.1~1.5cm, hairbrush apart from light paper tinsel distance be 0.01
Between~1.0cm.According to aluminium foil surface state, the dynamics and speed of brush are adjusted, removes the greasy dirt impurity of aluminium foil surface, and then
Aluminium foil surface quality is improved, type can be applied by improving.
Cleaning treatment is carried out to aluminium foil surface by the cleaning device 9 on power transmission shaft, spray equipment 11 is located at roller brush rear portion,
Ejecting liquid be ethanol, deionized water, surfactant composition aqueous rinsing liquid, spray flow 70-200ml/min it
Between；Aluminium foil after spray is delivered to drying by conveying device 1 and inhales mist device 10, and drying temperature is 50~120 DEG C, and blowing afloat flow velocity is
1~2l/min；Foil substrate after processing is delivered to by coating unit 5 by conveying device 1；
(4) Laser Desorption sprays：The temperature for keeping 5 all kinds of rollers of coating unit is 70 DEG C~90 DEG C, will be coated first
Light paper tinsel size, form parameter input computer 6, aid in completing the modular in design drawing of product by graphics software, while will processing
Light paper tinsel afterwards is put into suction coating porch；Photosensitive drums 15 are charged by wire electrode, light-guide material can be selected cadmium sulfide (CdS),
Selenium-arsenic (Se-As) or organic light-guide material (OPC), the discharge time of charging is 5~120s.
Detection unit 3 detects foil substrate to enter after coating entrance and signal is passed into the host module of computer 6, laser
Scanner 14 launches laser beam, and laser beam source is：Helium-neon (He-Ne) gas laser, its wavelength be 632.8nm or gallium arsenic-
Gallium aluminum arsenide (GaAs-GaAlAs) series, the laser beam launched are generally near infrared light, wavelength 780nm.
Laser beam, which is irradiated on aluminium foil, makes aluminium foil surface carry positive charge；Laser beam is reflexed to equipped with graphene and carbon simultaneously
In the carbon dust chamber 19 of powder, make equivalent negative electrical charge on toner mixture band, because the charges of different polarity attract each other, carbon dust passes through carbon dust chamber
19 bottom carbon dust pipes 20 uniformly spray, and are coated in aluminium foil surface even compact.
Aluminium foil charging rate 10-15m/min, and collocation 15%-30% nano-carbon powder are slowly adjusted by computer 6
The use of graphite mixture, aluminium foil surface carbon dust thinner thickness is can control, while can ensure that carbon powder particle in aluminium foil surface thickness
It is evenly distributed consistent, aluminium foil is tightly combined with carbon dust, and then carbon-coated aluminum foils electric conductivity is significantly increased.
(5) post processing and performance indications requirement：Aluminium foil after coating is put into normal temperature soaking pit, with 3~5 DEG C/min's
Heating rate is warming up to 150~200 DEG C, is incubated 1-2h；The graphene and carbon dust coating layer thickness of coating are 20~30nm, thick poor
0.2~0.4%, flatness is 15~20 μm.
The utility model automatically completes the production of carbon-coated aluminum foils, substantially increases production efficiency, reduces processing cost.
Pretreatment stage uses automatic aluminium foil brush 8 before carbon is applied, and according to aluminium foil surface state, adjusts the dynamics and speed of brush, removes
The greasy dirt impurity of aluminium foil surface, and then aluminium foil surface quality is improved, type can be applied by improving.When aluminium foil enters coating unit 5, if
Charging detector 13 has been put, after detecting that aluminium foil enters, signal has rapidly been passed into laser cell 4, promotes laser cell 4 to send out
Laser beam is penetrated, whole process time-consuming is short, and then improves production efficiency.The utility model uses nano-carbon powder chamber 19, cavity
Bottom is made up of several micron-sized carbon dust pipes 20, is ensured that carbon dust uniformly flows out from cavity bottom, is made aluminium foil surface carbon dust thickness
Uniformity, while enhance the electric conductivity of aluminium foil.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (5)
1. a kind of electrostatic Laser Desorption graphene technology prepares carbon-coated aluminum foils device, it is characterised in that including conveyer, cleaning
Drying unit, detection unit, laser cell, coating unit, computer, body；It is sequentially provided with the transmission direction of conveyer
Cleaning and drying device, detection unit, laser cell, coating unit, cleaning and drying device, detection unit, laser cell, coating are single
Member is installed on body；Computer is by cable connection and controls conveyer, cleaning and drying device, detection unit, laser list
Member, coating unit.
2. a kind of electrostatic Laser Desorption graphene technology according to claim 1 prepares carbon-coated aluminum foils device, its feature exists
In the cleaning and drying device includes automatic aluminium foil brush, cleaning device, drying suction mist device；The cleaning device is installed on biography
Send on the power transmission shaft of device, cleaning device is provided with spray equipment, and spray equipment is located at automatic aluminium foil brush rear portion；The automatic aluminium foil
Brush is connected by cable with computer, computer according to aluminium foil surface attachment greasy dirt, impurity number, regulating roller brush holder and aluminium foil
Distance, adjust brushing dynamics and brushing-stroke velocity.
3. a kind of electrostatic Laser Desorption graphene technology according to claim 1 prepares carbon-coated aluminum foils device, its feature exists
In the detection unit is provided with charging detector, and charging detector is provided with prism, and prism passes through cable and computer and laser list
Member is connected.
4. a kind of electrostatic Laser Desorption graphene technology according to claim 1 prepares carbon-coated aluminum foils device, its feature exists
In the laser cell is provided with laser scanner, and laser scanner is connected by cable with computer.
5. a kind of electrostatic Laser Desorption graphene technology according to claim 1 prepares carbon-coated aluminum foils device, its feature exists
In the coating unit is sequentially provided with light-sensitive roller, storage roller drum, charging roller, fixing roller from left to right；Storage roller drum is provided with carbon dust
Chamber and carbon dust pipe, graphene are positioned over carbon dust intracavitary with carbon dust, and carbon dust is uniformly sprayed by the carbon dust pipe of carbon dust chamber bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720489295.2U CN206741996U (en) | 2017-05-04 | 2017-05-04 | A kind of electrostatic Laser Desorption graphene technology prepares carbon-coated aluminum foils device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720489295.2U CN206741996U (en) | 2017-05-04 | 2017-05-04 | A kind of electrostatic Laser Desorption graphene technology prepares carbon-coated aluminum foils device |
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| CN206741996U true CN206741996U (en) | 2017-12-12 |
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| CN201720489295.2U Expired - Fee Related CN206741996U (en) | 2017-05-04 | 2017-05-04 | A kind of electrostatic Laser Desorption graphene technology prepares carbon-coated aluminum foils device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107039123A (en) * | 2017-05-04 | 2017-08-11 | 辽宁科技大学 | A kind of electrostatic Laser Desorption graphene technology prepares carbon-coated aluminum foils device and method |
| CN109860511A (en) * | 2019-01-21 | 2019-06-07 | 湖北锂诺新能源科技有限公司 | A kind of continuous foil film and pole coating preparation method |
| CN109950365A (en) * | 2019-04-04 | 2019-06-28 | 嘉兴劲境电子商务有限公司 | A kind of graphene processing unit (plant) for smearing solar panels |
| CN113871094A (en) * | 2020-06-30 | 2021-12-31 | 三元科技（深圳）有限公司 | Coating method of conductive coating of circuit and cable with conductive coating |
-
2017
- 2017-05-04 CN CN201720489295.2U patent/CN206741996U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107039123A (en) * | 2017-05-04 | 2017-08-11 | 辽宁科技大学 | A kind of electrostatic Laser Desorption graphene technology prepares carbon-coated aluminum foils device and method |
| CN107039123B (en) * | 2017-05-04 | 2022-12-09 | 辽宁科技大学 | Device and method for preparing carbon-coated aluminum foil by electrostatic laser graphene adsorption technology |
| CN109860511A (en) * | 2019-01-21 | 2019-06-07 | 湖北锂诺新能源科技有限公司 | A kind of continuous foil film and pole coating preparation method |
| CN109950365A (en) * | 2019-04-04 | 2019-06-28 | 嘉兴劲境电子商务有限公司 | A kind of graphene processing unit (plant) for smearing solar panels |
| CN113871094A (en) * | 2020-06-30 | 2021-12-31 | 三元科技（深圳）有限公司 | Coating method of conductive coating of circuit and cable with conductive coating |
| CN113871094B (en) * | 2020-06-30 | 2024-04-05 | 三元科技（深圳）有限公司 | Coating method of conductive coating of circuit and cable with conductive coating |
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