CN104021946B - Super capacitor based on graphene material and manufacturing method of super capacitor - Google Patents
Super capacitor based on graphene material and manufacturing method of super capacitor Download PDFInfo
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- CN104021946B CN104021946B CN201410260949.5A CN201410260949A CN104021946B CN 104021946 B CN104021946 B CN 104021946B CN 201410260949 A CN201410260949 A CN 201410260949A CN 104021946 B CN104021946 B CN 104021946B
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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 invention belongs to the technical field of electronic equipment and relates to a super capacitor based on a graphene material and a manufacturing method of the super capacitor. According to the structure, the super capacitor comprises a bipolar plate, a dielectric film (2) and an insulation film (4), wherein the bipolar plate is composed of a first polar plate (1) and a second polar plate (3) and is a mesh film locking ultrathin graphene polar plate formed by making the graphene material adsorbed to three-dimensional net-shaped foamed nickel, the dielectric film (2) is sandwiched in the middle of the bipolar plate and is a film made of a glass fiber reinforced polypropylene material, and the outer side face of the bipolar plate is coated with the insulation film (4) which is a film layer made of an ultrahigh pressure polyethylene material. Super strong adsorbability of the graphene material is used, assistance of ultrasonic waves is adopted, the graphene material is adsorbed to a net-shaped foamed nickel current collector, so that a mesh film locking ultrathin graphene film is formed, dried and pressurized, and the bipolar plate is manufactured. According to the super capacitor and the manufacturing method, the bipolar plate of the super capacitor can be thinned to the maximum degree, the super capacitor is miniaturized, large discharge current can be provided, and short time charge, long cycle life and the wide working temperature range are achieved.
Description
Technical field
The invention belongs to technical field of electronic equipment, particularly to a kind of small size great Rong with grapheme material as pole plate
The ultracapacitor of amount.
Background technology
Ultracapacitor has that capacitance is big, discharge and recharge life-span length, operating temperature range are wide and the spy such as safety non-pollution
Point.Ultracapacitor is generally pressure for 2.5v～3v, also have pressure for 1.6v.The Jia You U.S. of major country of production, Germany, day at present
Basis, Korea S, Russian and Chinese.From capacity, the ultracapacitor that maxwell company of the U.S. produces can reach 2.75v/
5000f, bulky, need the special room that powers to place；If being made as No. 5 battery sizes, i.e. diameter 20mm, high 50mm circle
Cylinder, can reach 30f than higher-end capacity of super capacitor in the market.Ultracapacitor volume will constantly reduce, with side
Just practical application, Chinese Jinzhou Chao Rong company has produced 3f/2.7v, the small size electric capacity of diameter 8mm, high 20mm.Very
Multi-field, such as electric motor car, household electrical appliance etc., ultracapacitor has and is widely applied very much.But, ultracapacitor volume and
The contradiction of capacity is never well solved, existing plate ultracapacitor and behavior of spiral wound supercapacitor pole plate
Selection and to make be maximum bottleneck.Therefore, in needing high-energy output or small size power supply application, such as automobile,
Communication, ultracapacitor is not popularized, and the fuel of high pollution or chemical cell are still social main flow.How to make one
Plant small volume, the big ultracapacitor of capacity is always the problem of people's very concern.
Grapheme material is a kind of new carbonaceous material finding in 2004, and it is by monolayer carbon atom honeycomb arrangement shape
A kind of material becoming.Thickness is only monolayer carbon atom, about 0.344nm.Grapheme material has the strongest tough in mineral
Property, and hardness has exceeded diamond.Graphene, due to being monolayer carbon atomic building, therefore has the specific surface area of superelevation
(2630m2/ g), meanwhile, Graphene is also the electric conductivity having now been found that material the strongest, and electronics moves fast in material internal
Degree is the 1/300 of the light velocity, and has very high carrier mobility (2*105cm2v-1s-1Introduce enhanced polymer electrolyte folder
Layer) so, people are natural to be contacted grapheme material and energy storage together.Parameters all prove, grapheme material is ten
Divide preferable capacitor plate material.Here contrasted based on the ultracapacitor of absorbent charcoal material from a kind of.
1. absorbent charcoal material parameter:
Absorbent charcoal material specific surface area: 1500m2/g；
(porous) active carbon material is than electric capacity: 130f/g；
Total pore volume: 0.8316ml/g；
Average pore size: 1.880nm；
Mean diameter: 5.19 μm.
Ultracapacitor parameter using the preparation of this material is as follows:
Capacity: 6f；
Pressure: 2.5v；
DC internal resistance: 150m ω；
AC internal Resistance: 58m ω；
Leakage current: < 3ma；
Formal parameter: diameter 12mm, high 20mm.
2. grapheme material parameter
Grapheme material specific surface area: 2630m2/g；
Grapheme material is than electric capacity (maximum): 205f/g；
Grapheme material mean diameter: nanoscale；
Because grapheme material has extra specific surface area, do not need when preparing capacitor using similar absorbent charcoal material
Loose structure.
Polypropylene (pp) is a kind of high crystallinity polymer of non-toxic, colorless, and degree of crystallinity is high, and compound with regular structure has good heat
Mechanical property, electric property and chemical stability, fiber glass reinforced polypropylene tensile strength is up to 65mpa～90mpa, bending strength
Can reach 70mpa～120mpa, bending moduluses can reach 3000mpa～4500mpa.Meanwhile, it is that one kind has very high dielectric
The material of coefficient, has very high breakdown voltage simultaneously, can be used to prepare electric insulation product.Fiberglass reinforced polyacrylic
Various aspects of performance is obviously improved, and polyacrylic toughness can be significantly increased.Can be with the very high technique processing of bearing strength.Poly-
Ethylene (pe) has similar property with polypropylene, and super high pressure polyethylene material, can due to the premium properties of ultra high molecular polyethylene
To be applied to film article, a lot of field such as engineering plastics.What is more important, the fiber glass reinforced polypropylene processing and superelevation
Pressure polyethylene material has superpower intensity and toughness, and has higher voltage endurance capability, can bear due to capacitor plate
The strong electric discharge phenomena that structure is ultra-thin and causes.Participate in the ultracapacitor of making by them, so that the thickness of capacitor is substantially reduced,
And approximately can arbitrarily wind compression pole plate, to meet the requirement to ultracapacitor miniaturization.
Super capacitor plate is prepared from new material Graphene by above-mentioned analysis, introduces enhanced polymer conduct
Dielectric layer and insulating barrier, design a kind of structure of ultrathin flexible compounded with strip pole plate.Ultracapacitor has been popularized in some necks
Domain, but also there is no finished product based on grapheme material ultracapacitor market.Ultracapacitor miniaturization, reaches and is widely used in
Purpose in productive life or a problem being badly in need of solution.
Content of the invention
The technical problem to be solved in the present invention is to produce a kind of small size, jumbo electric capacity.Design is a kind of to be based on stone
The mesh lock ultra-thin grapheme material of film of black alkene material, as super capacitor plate, is firstly introduced fiber glass reinforced polypropylene thin film
As ultracapacitor electrolyte, and introduce super high pressure polyethylene material and carry out plated film as dielectric film, using seal type winding
Technique, a kind of structure of final design ultrathin flexible compounded with strip pole plate, thus manufacture the jumbo super electricity of small size with it
Container.
Above-mentioned purpose is passed through following technology path and is realized.
Ultracapacitor Making programme can be summarized as: dispensing, slurry, pole plate processed, cut-parts, assembling, fluid injection, activation, detection,
Packaging.And manufacture and four parts: the mesh lock ultra-thin Graphene of film are divided into based on the over capacity capacitor key link of grapheme material
Pole plate processing technology, ultrathin flexible compounded with strip pole plate composite construction processing technology, the winding process of ultracapacitor electric capacity and
Subsequent treatment works.For the purpose of our super capacitor miniaturizations, the selection of each ingredient of capacitor and structure design
Most important link beyond doubt.
The structure of ultracapacitor is electric double layer capacitance structure.Therefore, preparation Novel super capacitor is also required to according to double
Electric layer structure selection makes.The processing technology of so-called super capacitor plate, the selection including capacitor plate and structure design.
It will be apparent that according to the key link of supercapacitor structures selection it is simply that the material of bipolar material and intermediate dielectric selects.
Ultracapacitor and traditional electrolyte capacity ratio are relatively similar, differ primarily in that the material of pole plate.Super capacitor present on market
Device plate material is mainly carbonaceous material, and porous activated carbon materials application is than wide.The present invention selects new carbonaceous material stone
Black alkene is as plate material；It is current collector material from three-dimensional netted nickel foam；Grapheme material is adsorbed in three-dimensional netted bubble
On foam nickel, form mesh lock film ultra-thin Graphene pole plate, as shown in Figure 1.By theory analysis, thin from fiber glass reinforced polypropylene
Film carries out coating process as ultracapacitor deielectric-coating, outside from super high pressure polyethylene material.Work is wound using seal type
Skill, ultimately forms ultra-thin composite and flexible banding pole plate.Schematic diagram such as Fig. 2, shown in 3.
Electric capacity winding process proposes to use seal type winding process, as shown in Figure 4.Can cut by different size as needed
Cut, be wound around the different number of turns, corresponding field in being finally applied to produce.
Next, also needing to carry out a series of follow-up works, including fluid injection, sealing, assembling crimping, finally carrying out performance survey
Examination.
The concrete technical scheme of the present invention is as follows.
A kind of ultracapacitor based on grapheme material, structure has, the first pole plate 1 and the second pole plate 3 constitute bipolar plates,
It is clipped in the deielectric-coating 2 in the middle of bipolar plates and dielectric film 4；It is characterized in that, the first described pole plate 1 and the second pole plate 3, are by stone
Black alkene material adsorbs in three-dimensional netted nickel foam, the mesh lock film ultra-thin Graphene pole plate of formation；Described deielectric-coating 2, be
The thin film of fiber glass reinforced polypropylene material；Described dielectric film 4, is the lateral surface plating in the first pole plate 1 or/and the second pole plate 3
The film layer of some super high pressure polyethylene materials.
The first described pole plate 1 and the second pole plate 3, electrode thickness is 1 μm～1000 μm；Described deielectric-coating 2, thickness is
10 μm～1600 μm；Described dielectric film 4, thickness is 6 μm～850 μm.
The described ultracapacitor based on grapheme material, can be the super capacitor of ultrathin flexible compounded with strip pole plate
Device, capacitor thickness is 20 μm～3000 μm；Can also be the ultracapacitor that ultrathin flexible is combined winding pole, capacitor
A diameter of 1cm～10cm.
The technical scheme of the inventive method is as follows.
A kind of manufacture method of the ultracapacitor based on grapheme material, has pole plate making, banding pole plate composite construction
Making, the process of insulation film preparation；It is characterized in that,
Described pole plate makes, and Graphene is mixed into the ptfe emulsion of mass concentration 10%, and homogenate is made in stirring；
Add water stirring and mixed liquor is obtained, and make the Graphene concentration in mixed liquor be 20～80g/l；Will be mixed for the immersion of reticulated polymer foam nickel
Close in liquid, using ultrasonic wave added, grapheme material is adsorbed on reticulated polymer foam nickel collector, form the mesh lock ultra-thin graphite of film
Alkene thin film；Thin film is dried under vacuum 2 hours, then the reticulated polymer foam nickel tabletting by absorption grapheme material, prepare
Mesh lock film ultra-thin Graphene pole plate is as the first pole plate 1 and the second pole plate 3；Described banding pole plate composite construction makes, and is
By fiber glass reinforced polypropylene material high pressure film forming, as deielectric-coating 2；In order by the first pole plate 1, deielectric-coating 2, the second pole plate 3
Overlapping；Prepared by described dielectric film 4, be to plate super high pressure polyethylene thin film as exhausted using coating process in the lateral surface of pole plate
Velum 4；Extrusion forming is prepared into the ultracapacitor of ultrathin flexible compounded with strip pole plate.
Ptfe emulsion can account for 60%, density 1.48～1.53g/cm using politef3Existing goods；
By the reticulated polymer foam nickel tabletting of absorption grapheme material, tabletting can be carried out with 2～20mpa pressure.
After being prepared into the ultracapacitor of ultrathin flexible compounded with strip pole plate, it is possible to use existing seal type winding
Technique is wound, cleaved, fluid injection, sealing, assembling crimping, ultracapacitor is fabricated to ultrathin flexible and is combined winding pole
Form.The dielectric film 4 of outer layer super high pressure polyethylene and internal layer mesh lock the pole plate closely coupled (referring to Fig. 4) of film Graphene.
It is diameter 20mm based on grapheme material ultracapacitor example volume, high 50mm cylinder.Ultracapacitor holds
Amount can reach 260f；Larger discharge current scope can be provided, different according to load monomer, peak currents range 10a～
1000a.
In manufacturing process, grapheme material can be using existing chemical method preparation；Fiber glass reinforced polypropylene thin film, surpasses
High-pressure polyethylene material, and three-dimensional netted nickel foam can also utilize existing process and equipment making.At follow-up fluid injection assembling
Reason is also identical with the processing method of existing capacitor.
The present invention has following beneficial effect
1st, the pole plates used material of the ultracapacitor designed by the present invention is based on novel graphite alkene material, using Graphene material
The ultra-thin physical characteristics of material itself and superpower energy storage characteristic realize the imagination of ultracapacitor miniaturization.
2nd, compared to existing electrode material coating processes, the mesh designed by the present invention locks the ultra-thin Graphene electrodes of film,
Capacitor plate ultrathin can be made to greatest extent.
3rd, the ultrathin flexible compounded with strip pole plate designed by the present invention, from ultra-thin dielectric substance and insulating barrier plated film
Material, using seal type winding process, space occupancy rate is very low, and has extremely strong mechanical performance and higher breakdown potential
Pressure.Winding process (including the number of turns, shape, size) can arbitrarily be changed according to demand.
4th, the present invention has small volume, the big advantage of capacity, can be fitted according to autonomous processing of different use environments and demand
Ultracapacitor when size, suitable capacity.
5th, the present invention has and has extended cycle life, and can reach up to ten thousand times, and is capable of short time charging.
6th, the present invention can provide very big discharge current.
7th, discharge and recharge of the present invention is due to being to be entirely physical process, and therefore operating temperature range is wide, can again -40 DEG C～+
100 DEG C of normal works.
8th, the present invention is free of contamination novel battery, can be with recycling.
Brief description
Fig. 1 is picture under mesh lock film ultra-thin Graphene pole plate microscope
Fig. 2 is the supercapacitor structures schematic diagram of four-layer structure ultrathin flexible compounded with strip pole plate.
Fig. 3 is based on grapheme material super capacitor Making programme figure.
Fig. 4 is four-layer structure ultrathin flexible compounded with strip pole plate winding process schematic diagram.
Specific embodiment
The supercapacitor structures of embodiment 1 four-layer structure ultrathin flexible compounded with strip pole plate
Fig. 1 provides the supercapacitor structures of four-layer structure ultrathin flexible compounded with strip pole plate, and wherein 1 is the first pole plate, and 2
For deielectric-coating；3 is the second pole plate；4 is dielectric film.
First pole plate 1 and the second pole plate 3, are to adsorb in three-dimensional netted nickel foam by grapheme material, the mesh of formation
Lock film ultra-thin Graphene pole plate；Deielectric-coating 2, is the thin film of fiber glass reinforced polypropylene material；Dielectric film 4, is in the first pole plate 1
Or/and second pole plate 3 the film layer of super high pressure polyethylene material that is coated with of lateral surface.That is, dielectric film 4 can be plated on the first pole
In plate 1 and the second pole plate 3 arbitrary pole plate outside it is also possible to outside the first pole plate 1 and the second pole plate 3 all plating dielectric films 4.
The electrode thickness of the first pole plate 1 and the second pole plate 3 may be selected 1 μm～1000 μ m；The thickness of deielectric-coating 2 is optional
Select 10 μm～1600 μ m；The thickness of dielectric film 4 may be selected 6 μm～850 μ m.
Ultracapacitor based on grapheme material can be the ultracapacitor of ultrathin flexible compounded with strip pole plate, electric capacity
Device thickness is 20 μm～3000 μm；Can also be ultrathin flexible be combined winding pole ultracapacitor, capacitor a diameter of
1cm～10cm.
Embodiment 2 principle of the invention thinking and overall craft flow process
Traditional fuel and chemical cell is replaced to be applied to corresponding electric appliance it is contemplated that making a kind of novel battery.First I
To must account for: one at 2 points be that the ultracapacitor making can ensure the demand of energy supply；Two is that gained of the present invention surpasses appearance
Amount battery volume can reach the standard of miniaturization.We are used as super capacitor plate material by selecting grapheme material
Material, a kind of mesh of invention locks film ultra-thin Graphene pole plate, the energy-storage property of super capacitor is greatly improved with this；Had by introducing
There are high withstand voltage, high intensity, high tenacity, and there is the enhanced polymer material of ultra-slim features as super capacitor deielectric-coating
And insulating film material, design ultra-thin composite and flexible banding pole plate and reach the purpose significantly reducing ultracapacitor volume.
, by computation and measurement, super ultracapacitor maximum capacity prepared by the present invention is 260f, leads to taking battery of mobile phone as a example
Cross and conventional mobile phone chemical cell comparing calculation, this capacity can meet the mobile phone use of a day.Additionally, super capacitor of the present invention
Device fixing fabric structure size about No. 5 batteries, i.e. diameter 20mm, high 50mm cylindrical capacitor, comply fully with setting of miniaturization
Think.Grapheme material electrode thickness representative value is 1 μm～1000 μm；Medium film thickness representative value is 10 μm～1600 μm；Insulation
Film thickness is 6 μm～850 μm；Prepared ultrathin flexible compounded with strip electrode thickness is 20 μm～3000 μm about；After fluid injection encapsulation
Obtaining novel super capacitance scope is: 76f～260f.
Overall craft flow process of the present invention is as follows: (as shown in Figure 3)
1. prepare grapheme material using chemical method.
2. prepare fiber glass reinforced polypropylene thin film, super high pressure polyethylene material, and three-dimensional netted bubble using existing process
Foam nickel.
3. prepare mesh lock film ultra-thin Graphene pole plate.
4. prepare ultrathin flexible compounded with strip pole plate.
5. using seal type winding process, pole plate barrier film is wound.
6. follow-up fluid injection assembling is processed.
Embodiment 3 mesh locks the making of film ultra-thin Graphene pole plate
The present invention utilizes new material Graphene, to make ultracapacitor.Described pole plate makes, and is by chemistry side
Method prepares Graphene, is mixed into the ptfe emulsion of 10% mass concentration, uniform stirring 3 hours, makes slurry；By slurry plus
Enter water stirring and obtain mixed liquor, add the amount of water should make to contain Graphene 10～40g in every 500 milliliters of mixed liquors, will after stirring
In reticulated polymer foam nickel immersion mixed liquor, using the superpower adsorptivity of grapheme material, using ultrasonic wave added, grapheme material is inhaled
Invest on reticulated polymer foam nickel collector, form the mesh lock ultra-thin graphene film of film；Thin film is dried under vacuum 2 little
When, 20mpa high pressure drop thickness, to 1 μm～1000 μm, prepares mesh lock film ultra-thin Graphene pole plate, as shown in Figure 1.Using stone
The adsorptivity of black alkene material and the method for this mesh lock film, can make electrode for capacitors ultrathin to greatest extent.Effect is obvious
Better than existing coating processes.
The arrangement of embodiment 4 ultrathin flexible compounded with strip electrode plate structure and making
The present invention proposes from fiber glass reinforced polypropylene material as ultracapacitor deielectric-coating, and introduces the poly- second of supertension
Alkene material is to carry out plated film based on grapheme material pole plate.Ultrathin flexible compound polar plate Structural assignments are as follows:
As shown in Fig. 2 first by fiber glass reinforced polypropylene material high pressure film forming, as deielectric-coating 2, film thickness controls at 10 μm
～1600 μm.It places mesh lock film ultra-thin Graphene pole plate 1 and 3 up and down respectively.Super capacitor implement body electrolyte can root
It is filled between electrode according to real needs.Using technique for vacuum coating, super high pressure polyethylene thin film conduct is plated on the second pole plate 3
Dielectric film 4, is carried out to pole plate being surface-treated, is sprayed rear 80 DEG C of drying 1 and a half hours by traditional handicraft, make insulator film thickness control
System is at 6 μm～850 μm.Formed a kind of: grapheme material pole plate (the first pole plate 1) fiber glass reinforced polypropylene deielectric-coating
The four-layer structure of 2 grapheme material pole plates (the second pole plate 3) super high pressure polyethylene dielectric film 4, as shown in Figure 3.?
High-pressure molding afterwards, forms ultrathin flexible compounded with strip pole plate ultracapacitor.Here choose canonical parameter, made is ultra-thin soft
Property compounded with strip electrode thickness be 20 μm～3000 μm about it is possible to suitably adjust with production equipment condition as needed.
Embodiment 5 is based on grapheme material ultracapacitor seal type winding process
The present invention copies papery electric capacity processing technology, is wound work to based on grapheme material ultracapacitor.By
In the superior mechanical property of prepared ultrathin flexible compounded with strip pole plate, seal type winding process, any intensity can be adopted
Ground is compressed to pole plate winding, and greatly reduces the space shared by fabricated capacitors, thus in a disguised form improve its energy storage
Ability.
Using above-mentioned super capacitor, grapheme material pole plate fiber glass reinforced polypropylene deielectric-coating grapheme material
Pole plate super high pressure polyethylene dielectric film, once arrangement is wound, as shown in Figure 2 in order.The present invention is 4 film structure
It is wound technique, the method according to similar papery capacitance process is wound, and is illustrated in figure 3 super based on grapheme material
Capacitor fabrication flow chart, Fig. 4 is seal type winding process schematic diagram.First, prepare 4 film structure are carried out lamination work
Skill；2nd, adopt 100mpa about intensity, carry out pole plate winding using capacitor winding machine.Volume core diameter is controlled to be 2mm, winding circle
Several according to instrument limit handling 10～900 circle about.Due to adding enhanced polymer interlayer (media coating), entirely surpass
Thin composite and flexible banding pole plate has superpower toughness, improves the winding pressure of equipment, can be close between layers be surpassed
High pressure winds, and to ensure compression stroke as far as possible.Be additionally, since the deielectric-coating of selection and insulating film material have pressure well
Ability, can bear strong electric discharge problem that is thinning due to overall compound polar plate and producing completely.
Can also capacity as needed, size and shape arbitrarily wind.
Embodiment 6 follow-up work is processed
After the ultracapacitor in winding, similar conventional capacitive processing technology, can carry out follow-up note as needed
Liquid, typical liquid electrolyte chosen by electrolyte.Subsequently riveted, the work such as encapsulation, completed.
Claims (2)
1. a kind of manufacture method of the ultracapacitor based on grapheme material, has pole plate making, banding pole plate composite junction body plan
Make, the process of insulation film preparation, the described ultracapacitor based on grapheme material, structure has, the first pole plate (1) and second
Pole plate (3) constitutes bipolar plates, is clipped in deielectric-coating (2) and dielectric film (4) in the middle of bipolar plates, described the first pole plate (1) and the
Two pole plates (3), are to adsorb in three-dimensional netted nickel foam by grapheme material, the mesh lock film ultra-thin Graphene pole plate of formation,
Described deielectric-coating (2), is the thin film of fiber glass reinforced polypropylene material, described dielectric film (4), be the first pole plate (1) or/
The film layer of the super high pressure polyethylene material being coated with the lateral surface of the second pole plate (3)；It is characterized in that, described pole plate makes and is
Graphene is mixed into the ptfe emulsion of mass concentration 10%, homogenate is made in stirring, adds water stirring and mixed liquor is obtained,
And make the Graphene concentration in mixed liquor be 20～80g/l, and reticulated polymer foam nickel is immersed in mixed liquor, using ultrasonic wave added, will
Grapheme material is adsorbed on reticulated polymer foam nickel collector, forms the mesh lock ultra-thin graphene film of film, by thin film in vacuum bar
Dry 2 hours under part, then the reticulated polymer foam nickel tabletting by absorption grapheme material, prepare mesh lock film ultra-thin Graphene pole plate
As the first pole plate (1) and the second pole plate (3)；It is by fiber glass reinforced polypropylene material that described banding pole plate composite construction makes
High pressure film forming, as deielectric-coating (2), in order by the first pole plate (1), deielectric-coating (2), the second pole plate (3) overlapping；Described is exhausted
Velum (4) preparation is to plate super high pressure polyethylene thin film as dielectric film (4) using coating process in the lateral surface of pole plate, pressurizes
Molding is prepared into the ultracapacitor of ultrathin flexible compounded with strip pole plate.
2. the manufacture method of the ultracapacitor based on grapheme material according to claim 1, is characterized in that, in preparation
After becoming the ultracapacitor of ultrathin flexible compounded with strip pole plate, it is wound using seal type winding process, cleaved, note
Liquid, sealing, assembling crimping, ultracapacitor is fabricated to the form that ultrathin flexible is combined winding pole.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102403050A (en) * | 2010-09-08 | 2012-04-04 | 中国科学院金属研究所 | Composite material based on nanometer, preparation method of composite material and application in flexible energy storage device |
| CN103258658A (en) * | 2013-05-28 | 2013-08-21 | 广东工业大学 | Preparation method of supercapacitor electrode based on functional-form graphene |
| CN103426564A (en) * | 2012-05-15 | 2013-12-04 | 国家纳米科学中心 | Graphene electrode active material, preparing method thereof, application thereof, electrode material, electrode slice and electrochemical capacitor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102403050A (en) * | 2010-09-08 | 2012-04-04 | 中国科学院金属研究所 | Composite material based on nanometer, preparation method of composite material and application in flexible energy storage device |
| CN103426564A (en) * | 2012-05-15 | 2013-12-04 | 国家纳米科学中心 | Graphene electrode active material, preparing method thereof, application thereof, electrode material, electrode slice and electrochemical capacitor |
| CN103258658A (en) * | 2013-05-28 | 2013-08-21 | 广东工业大学 | Preparation method of supercapacitor electrode based on functional-form graphene |
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