CN104538203A - Transparent supercapacitor and manufacturing method thereof - Google Patents
Transparent supercapacitor and manufacturing method thereof Download PDFInfo
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- CN104538203A CN104538203A CN201410853640.7A CN201410853640A CN104538203A CN 104538203 A CN104538203 A CN 104538203A CN 201410853640 A CN201410853640 A CN 201410853640A CN 104538203 A CN104538203 A CN 104538203A
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- 238000004519 manufacturing process Methods 0.000 title abstract description 5
- 239000002238 carbon nanotube film Substances 0.000 claims abstract description 55
- 239000011245 gel electrolyte Substances 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 22
- 238000002834 transmittance Methods 0.000 claims abstract description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 48
- 239000002041 carbon nanotube Substances 0.000 claims description 46
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 46
- 239000012528 membrane Substances 0.000 claims description 37
- 238000002360 preparation method Methods 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 8
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid group Chemical group S(O)(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 4
- 238000005289 physical deposition Methods 0.000 claims description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 3
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- 239000004033 plastic Substances 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 abstract description 18
- 239000002356 single layer Substances 0.000 abstract description 6
- 238000004146 energy storage Methods 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 20
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 10
- 239000011159 matrix material Substances 0.000 description 8
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 239000005030 aluminium foil Substances 0.000 description 6
- 238000005229 chemical vapour deposition Methods 0.000 description 6
- 238000007711 solidification Methods 0.000 description 6
- 230000008023 solidification Effects 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 239000007772 electrode material Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 239000011852 carbon nanoparticle Substances 0.000 description 4
- 239000011247 coating layer Substances 0.000 description 4
- 239000011889 copper foil Substances 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- -1 polyethylene terephthalate Polymers 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
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- 239000003795 chemical substances by application Substances 0.000 description 1
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- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
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- 238000010894 electron beam technology Methods 0.000 description 1
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- 239000005357 flat glass Substances 0.000 description 1
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/26—Electrodes characterised by their structure, e.g. multi-layered, porosity or surface features
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/32—Carbon-based
- H01G11/36—Nanostructures, e.g. nanofibres, nanotubes or fullerenes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/84—Processes for the manufacture of hybrid or EDL capacitors, or components thereof
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Nanotechnology (AREA)
- Materials Engineering (AREA)
Abstract
The invention discloses a transparent supercapacitor and a manufacturing method thereof. The transparent supercapacitor is specifically formed by the way that two transparent carbon nano tube film electrodes are loaded on a transparent base body side by side, and the surface of the transparent base body is coated with a transparent gel electrolyte. The two transparent electrodes of the supercapacitor are located in the same plane, different from a traditional sandwich structure, the supercapacitor of the single-layer electrode structure shortens the light propagation path, light can penetrate through the capacitor efficiently, and the high transparency supercapacitor is achieved. The light transmittance of the electrode portion of the supercapacitor manufactured through the method reaches up to 75%, and the light transmittance of the visible light range reaches 70%-80%. The supercapacitor further has the excellent capacitor characteristic and the electrochemical property. The transparent supercapacitor manufactured through the method has an important application prospect in the fields of displays, touch screens, photovoltaic conversion, energy storage and the like. Meanwhile, the manufacturing method of the transparent supercapacitor is simple in process, easy to implement and suitable for scale and industrialization production.
Description
Technical field
The invention discloses a kind of transparent ultracapacitor and preparation method thereof, specifically belong to supercapacitor technologies field.
Background technology
The height ratio capacity that ultracapacitor has, high power density and high service life cycle are one of energy storage devices be most widely used.Portable, the integrated and intelligent development of current electronic device, proposes new requirement to the ultracapacitor as basic energy-storage units.Especially in transparent integrated electronic field, such as display, touch screen, e-book, photovoltaic energy conversion and energy-storage system, not only require that ultracapacitor has high chemical property, also require that it must possess the high transparency, with the structural performance requirements of other device cells compatible.
Traditional ultracapacitor is all sandwich sandwich, is namely made up of two-layer electrode central filler electrolyte.The ultracapacitor of this structure is containing multiple elementary layer, and the transparency of each elementary layer can affect the integral light-transmitting of capacitor element.In addition, the film that current electrode material is substantially all material with carbon element, prepared by metal, metal oxide, conducting polymer or its mixture, these membrane electrodes are substantially all opaque, and two membranes polar stack is assembled into the transparency that sandwich structure certainly will reduce whole capacitor element more.A kind of transparent flexible electrochemical device based on plane comb-like electrode structure and preparation method thereof disclosed in patent 201210579735.5, key step is for first lithographically etching a pair cross one another comb teeth-shaped pattern at polyethylene terephthalate (PET) matrix surface, steam method coating method with electron beam again and plate one deck nickel metal film on the comb pattern of correspondence, comb pattern interval water proof glue is protected, one deck carbon nano-particle film is deposited at nickel surface through repeatedly flooding ink, surface covers one deck PET again, by upper and lower two-layer PET edge seal, finally the carbonic allyl ester solution of the tetraethyl ammonium tetrafluoroborate of liquid phase is injected between two PET as electrolyte, obtaining with two comb teeth-shaped carbon nano-particle films is two electrodes, bottom layer nickel film is the ultracapacitor of collector.Although two carbon nano-particle membrane electrodes of this capacitor are on same matrix, light tight with carbon nano-particle membrane electrode self, only utilize two electrode break joint effusion light, do not realize transparent electrochemical capacitance truly.In addition, adopt liquid phase electrolyte at least to need two-layer shell just can be packaged into capacitor, incident light will pass electrode, electrolyte, upper and lower two-layer outer shell through whole device, and this sandwich construction is unfavorable for obtaining high transparency capacitor element.The light transmittance at the position, capacitor gap of being prepared by above method only 42%, electrode area is light tight.
Limit by traditional structure and electrode material, the light transmission of the ultracapacitor of report is very limited at present, and light transmittance, substantially below 50%, can not meet the requirement of practical application far away.Therefore, the ultracapacitor developing high transparency is very necessary.
Summary of the invention
The present invention for background, for the limitation of existing traditional structure ultracapacitor low light transmission, provides a kind of transparent ultracapacitor and preparation method thereof with the technical development demand of integrated and smart electronics.
The transparent ultracapacitor of one provided by the invention, is specifically carried on transparent base side by side by two transparent carbon nanotube membrane electrodes, and surface-coated clear gel electrolyte is formed, and wherein two transparent carbon nanotube membrane electrodes keep a determining deviation; As shown in Figure 1.
In the present invention, described transparent ultracapacitor, is characterized in that its transparent electrode structure with individual layer, and two transparent carbon nanotube membrane electrode runs parallel side by side at grade.This structure only has one deck electrode, traditional sandwich sandwich different from the past, and thus light only through single-layer electrodes film, need shorten optical transport distance greatly, is conducive to obtaining high transparency capacitor element.In conjunction with transparent carbon nanotube membrane electrode, make light more efficient by electrode, and then obtain high transparency capacitor element.
In the present invention, two carbon nano-tube film electrode spacings, 100 μm of-3mm of described transparent ultracapacitor.
In the present invention, the electrode of described transparent ultracapacitor is transparent carbon nanotube membrane material, and carbon nano-tube film, by one dimension carbon nano-tube connected network, has high light transmittance.
In the present invention, described transparent carbon nanotube membrane light transmittance more than 50%, preferably more than 70%.
In the present invention, described transparent carbon nanotube membrane has nanometer or micro-meter scale thickness, and preferred thickness is 5-500nm.
In the present invention, the carbon nano-tube coverage rate of described transparent carbon nanotube membrane is between 10%-90%.
In the present invention, the aperture size of the hole of described transparent carbon nanotube membrane is between 5nm-5 μm.
In the present invention, described transparent carbon nanotube membrane can pass through the preparation of Array Method, solwution method or vapour deposition process.
In the present invention, described transparent carbon nanotube membrane is prepared by chemical vapour deposition technique.
In the present invention, described transparent base is transparent rubber, plastics, glass-film or sheet.
In the present invention, described collector is metal forming, metal wire or metal film.
In the present invention, described electric conducting material is conductive silver paste, conducting resinl.
In the present invention, described clear gel electrolyte is sulfuric acid/polyvinyl alcohol/water, phosphoric acid/polyvinyl alcohol/water.
The preparation method of a kind of transparent ultracapacitor provided by the invention, comprises the following steps:
(1) first transparent carbon nanotube membrane is carried on transparent base by film transfer method or physical deposition methods, then carbon nano-tube film is divided into two electrodes, two electrodes keep a determining deviation; Or: shifted or physical deposition methods by film, two transparent carbon nanotube membrane electrodes are directly carried on transparent base, and two electrodes keep a determining deviation;
(2) respectively two electrode one end electric conducting materials are connected collector;
(3) between two electrode surfaces and two electrodes, evenly layer of transparent gel electrolyte is applied, obtained transparent ultracapacitor.
The ultracapacitor adopting the present invention to prepare has high light transmittance.Be electrode with transparent carbon nanotube membrane, prepared transparent ultracapacitor.The ultracapacitor of preparation is under 550nm visible wavelength, and the light transmittance at electrode of super capacitor position reaches more than 75%, reaches 70-80% at whole visible-range light transmittance.The basic printing opacity completely in position, gap between electrode of super capacitor.
Adopting ultracapacitor prepared by the present invention, also by optimizing carbon nano tube structure, pore-size and carbon nano-tube film thickness etc. in carbon nano-tube film, improving the light transmission of ultracapacitor further.
The transparent ultracapacitor adopting the present invention to prepare, has good chemical property simultaneously.This ultracapacitor shows good capacitor specific characteristics and high ratio capacitance, and ratio capacitance reaches 69.5F/g.
The transparent ultracapacitor adopting the present invention to prepare, can be applicable to, in transparent electronics field, especially require the display of high transparent, touch screen, e-book, photovoltaic energy conversion and energy-storage system, has important application prospect.
The method of the transparent ultracapacitor of preparation provided by the invention, process is simple, easily realizes, and single layer electrode structure can also develop the ultra-thin and transparent ultracapacitor of overlarge area, can accomplish scale production and apply.
Compare with technology of preparing with existing ultracapacitor, the present invention has following benefit and technique effect:
1, adopt single layer electrode structure, reduce propagation path of light, light is more effectively passed through, realizes high transparency capacitor element;
2, adopt single layer electrode structure, ultra-thin ultracapacitor can also be realized;
3, adopt single layer electrode structure, overlarge area ultracapacitor can also be realized;
4, the symmetrical electrode structure of individual layer is adopted, the more convenient series and parallel connections realizing electrode or whole ultracapacitor of energy;
5, adopt transparent carbon nanotube membrane to be electrode, utilize carbon nano-tube film high connductivity and high-specific surface area, while the ultracapacitor of preparation realizes high transparency, also realize high electrochemical performance;
6, the preparation method of transparent ultracapacitor provided by the invention, process is simple, easily controls, easily realizes, be produced on a large scale and apply.
Accompanying drawing explanation
Fig. 1: transparent supercapacitor structures schematic diagram provided by the invention.
Fig. 2: the present invention prepares the transparent carbon nanotube membrane electrode material photo that transparent ultracapacitor adopts.
Fig. 3: the present invention prepares the transparent carbon nanotube membrane electrode material stereoscan photograph that transparent ultracapacitor adopts.
Fig. 4: adopt transparent ultracapacitor photo prepared by the embodiment of the present invention 1.
Fig. 5: the uv-visible absorption spectra of the transparent ultracapacitor adopting the embodiment of the present invention 1 to prepare.
Fig. 6: the cyclic voltammetry curve of the transparent ultracapacitor adopting the embodiment of the present invention 1 to prepare, sweep speed is 100mV/s.
Fig. 7: the constant current charge-discharge curve of the transparent ultracapacitor adopting the embodiment of the present invention 1 to prepare, current density is 0.1A/g.
Embodiment
Embodiment 1
The carbon nano-tube film that the aluminium foil prepared with chemical vapour deposition (CVD) supports is electrode.Carbon nano-tube film light transmittance 75%.Figure 2 shows that and show the high transparency by the transparent carbon nanotube membrane electrode material photo that the present invention adopts.Carbon nano-tube thickness 100nm, carbon nano-tube coverage rate about 30% in film, the aperture size 5nm – 5 μm of hole between carbon nano-tube.Fig. 3 is the transparent carbon nanotube membrane stereoscan photograph that the present invention adopts.With dimethyl silicone polymer (PDMS) for transparent base, specifically by rubber liquid and curing agent (Sylgard 184, Dow Corning Corporation) mix with mass ratio 10:1, pour mould of plastics into certain mass and make mixed liquor Self-leveling, vacuumize 2h bubble removing, room temperature leaves standstill solidification 48h, obtains the PDMS slide of thick 1mm.With blade, PDMS sheet is cut into the rectangular particles of suitable dimension, as transparent base.With sulfuric acid/polyvinyl alcohol/water for gel electrolyte, specifically the 5g concentrated sulfuric acid (98%) is added in 50g deionized water and mix, add 5g polyvinyl alcohol powder (PVA again, Aldrich, molecular weight 140000-180000), 700-1000rpm vigorous stirring is also heated to 85-90 DEG C, maintenance ~ 4h, until mixed liquor is thickness clear liquid.
Transfer on transparent PDMS matrix by carbon nano-tube film from aluminium foil, linearly scratch in the middle of carbon nano-tube film with wooden toothpick, carbon nano-tube film being divided into two symmetrical rectangular films is two electrodes, two electrode spacing 1mm.Be collector with conductive silver paste connection copper foil respectively by two electrode one end.Two carbon nano-tube film electrode surfaces and between even coating layer of gel electrolyte, room temperature leaves standstill solidification 24h, thus the ultracapacitor of obtained high transparency.Gel electrolyte thickness 50 μm.Fig. 4 is the transparent ultracapacitor adopting above method and step to prepare.
Electrode film and transparent supercapacitor structures light microscope mirror (U-25LBD, OLYMPUS, Japan) and ESEM (S-4800, Hatchi, Japan) characterize.The light transmission of electrode film and ultracapacitor is tested by ultraviolet-visible spectrophotometer (UV-2700, Shimadzu, Japan).The chemical property of capacitor is tested by electrochemical workstation (CHI660C, Chenhua, Shanghai, China).
The ultracapacitor prepared by above step has high transparency.Under 550nm visible wavelength, the light transmittance at electrode of super capacitor position reaches more than 75%, reaches 70-80% (Fig. 5) at whole visible-range light transmittance, position, gap almost all transparent between electrode of super capacitor.This transparent ultracapacitor, also has excellent chemical property.Be that ultracapacitor prepared by electrode has good capacitor specific characteristics (Fig. 6 and Fig. 7) with carbon nano-tube film, under 1A/g current density, ratio capacitance reaches 69.5F/g.
Embodiment 2
Experimental technique and process, with embodiment 1, are electrode unlike the unsupported carbon nano-tube film prepared with chemical vapour deposition (CVD).Carbon nano-tube thickness 100nm, carbon nano-tube coverage rate 30%, pore-size 5nm – 5 μm between carbon nano-tube, carbon nano-tube film light transmittance 75%.Carbon nano-tube film is laid in transparent PDMS matrix, scratch along corrugated curve in the middle of carbon nano-tube film with wooden toothpick, carbon nano-tube film being divided into two symmetrical rectangular films is two electrodes, two electrode spacing 1mm.Be collector with conductive silver paste connection copper foil respectively by two electrode one end.Two carbon nano-tube film electrode surfaces and between even coating layer of gel electrolyte, room temperature leaves standstill solidification 24h, thus the ultracapacitor of obtained high transparency.Gel electrolyte thickness 50 μm.
Embodiment 3
Carbon nano-tube film, transparent base and gel electrolyte are with embodiment 1, electrode is reprocessed into after first carbon nano-tube film is thinning, be specially: carbon nano-tube film is transferred to transparent PDMS matrix from aluminium foil, carbon nano-tube film surface is laid in size PDMS sheet with another sheet, after gently pressing layer PDMS sheet, two panels PDMS is separated gently from one section, obtains the carbon nano-tube film of the even laminating of two panels PDMS load.With the carbon nano-tube film of layering for electrode, thick 50nm, the carbon nano-tube film light transmittance 81% that carbon nano-tube film coverage rate about 15%, PDMS supports.Linearly scratch in the middle of carbon nano-tube film with after metal needle point dipping ethanol, carbon nano-tube film being divided into two symmetrical rectangular films is two electrodes, two electrode spacings 100 μm.Be collector with conductive silver paste connection copper foil respectively by two electrode one end.Two carbon nano-tube film electrode surfaces and between even coating skim gel electrolyte, room temperature leaves standstill solidification 12h, thus the ultracapacitor of obtained high transparency.Gel electrolyte thickness 10 μm.
Embodiment 4
Carbon nano-tube film, transparent base and gel electrolyte are with embodiment 1, unlike with the carbon nano-tube film of two layer laminate for electrode, be specially: first one deck carbon nano-tube film is transferred to transparent PDMS matrix from aluminium foil, another layer of carbon nano-tube film is taken off gently from aluminium foil and is laid in ground floor carbon nano-tube film surface, drip ethanol in carbon nano tube surface two membranes is combined closely and is attached on PDMS matrix, obtain the carbon nano-tube film of two layer laminate that PDMS supports.The carbon nano-tube thickness of two layer laminate is about 200nm, and the two layer laminate carbon nano-tube film light transmittances that the coverage rate about 60%, PDMS of carbon nano-tube film supports are 42%.Translucent ultracapacitor is obtained again according to embodiment 1 step.Gel electrolyte thickness 100 μm.
Embodiment 5
Carbon nano-tube film, transparent base and gel electrolyte are with embodiment 1, unlike with the carbon nano-tube film of four layer laminate for electrode, concrete laminating method is with embodiment 4, all drip ethanol on film surface after each plastic film mulch make to combine closely between film and be attached on PDMS matrix, obtain the carbon nano-tube film of four layer laminate that PDMS supports.The carbon nano-tube thickness of four layer laminate is about 400nm, four layer laminate carbon nano-tube film light transmittances 21% of coverage rate about 90%, the PDMS support of carbon nano-tube film.The lower ultracapacitor of transparency is obtained again according to embodiment 1 step.Gel electrolyte thickness 500 μm.
Embodiment 6
The carbon nano-tube film of PETG (PET) film support directly prepared using chemical vapour deposition technique is directly as ELD.This PET supports the light transmittance 86.3% of carbon nano-tube film.PET film is transparent, thick 60 μm, and surface is low sticky, purchased from Haining City diaphragm Co., Ltd.Gel electrolyte is with embodiment 1.Electrode is prepared with the processing of plasma etching method, be specially: take slide as the two ends that mask hides carbon nano-tube film, carbon nano-tube film centre position stays gap to expose in atmosphere, gap width 1mm, then uses air plasma (Harrick Plasma, PDC-32G, the U.S.) etch carbon nano-tube film, until the carbon nano-tube at position, gap etches away completely, obtain two carbon nano-tube membrane electrodes, two electrode spacing 1mm.It is collector that two electrode one end are connected copper wire with conducting resinl respectively, and at carbon nano-tube film surface uniform coating layer of gel electrolyte, room temperature leaves standstill solidification 24h, thus obtained transparent ultracapacitor.
Embodiment 7
Carbon nano-tube film and gel electrolyte are with embodiment 1.Be transparent base with sheet glass, be specially laboratory glass slide, two transparent carbon nanotube membrane electrodes are transferred directly on transparent base.Be specially: a carbon nano-tube film is taken off from aluminium foil gently and is laid in glass basis surface, ethanol is dripped on carbon nano-tube film surface, make carbon nano-tube membrane electrode under the wetting action of ethanol close attachment on glass basis, with method, another carbon nano-tube membrane electrode with size is laid on glass basis, two electrode keeping parallelisms side by side, spacing 3mm.Be collector with conductive silver paste connection copper foil respectively by two electrode one end.Two carbon nano-tube film electrode surfaces and between even coating layer of gel electrolyte, room temperature leaves standstill solidification 24h, thus the ultracapacitor of obtained high transparency.
Embodiment 8
Experimental technique and process with implementing 7, unlike with transparent polyethylene (PE) film for transparent base, PE film is transparent, thick 10 μm.In addition, carbon nano-tube membrane electrode two ends Direct precipitation gold film is collector.Obtained high transparency ultracapacitor thus.
Embodiment 9
Experimental technique and process with implementing 1, unlike with phosphoric acid/polyvinyl alcohol/water for clear gel electrolyte, obtained transparent ultracapacitor.
Claims (10)
1. a transparent ultracapacitor, is characterized in that being carried on transparent base side by side by two transparent carbon nanotube membrane electrodes, and surface-coated clear gel electrolyte is formed, and wherein two transparent carbon nanotube membrane electrodes keep a determining deviation.
2. transparent ultracapacitor according to claim 1, is characterized in that its two transparent carbon nanotube membrane electrodes are positioned at same plane, two electrode spacing 100 μ m – 3mm.
3. transparent ultracapacitor according to claim 1, is characterized in that the light transmittance of described transparent carbon nanotube membrane electrode is at 50%-95%.
4. transparent ultracapacitor according to claim 1, it is characterized in that in described transparent carbon nanotube membrane, carbon nano-tube coverage rate is between 10%-90%, between carbon nano-tube, the aperture size of hole is between 5nm-5 μm.
5. transparent ultracapacitor according to claim 1, is characterized in that described transparent carbon nanotube membrane electrode has nanometer or micro-meter scale thickness, preferred thickness 5-500nm.
6. transparent ultracapacitor according to claim 1, is characterized in that described transparent base is transparent rubber, plastics, glass-film or sheet.
7. transparent ultracapacitor according to claim 1, is characterized in that described clear gel electrolyte is sulfuric acid/polyvinyl alcohol/water, phosphoric acid/polyvinyl alcohol/water.
8. a preparation method for transparent ultracapacitor, is characterized in that, comprises the following steps:
(1) first transparent carbon nanotube membrane is carried on transparent base by film transfer method or physical deposition methods, then carbon nano-tube film is divided into two electrodes, two electrodes keep a determining deviation; Or: shifted or physical deposition methods by film, two transparent carbon nanotube membrane electrodes are directly carried on transparent base, and two electrodes keep a determining deviation;
(2) respectively two electrode one end electric conducting materials are connected collector;
(3) between two electrode surfaces and two electrodes, evenly layer of transparent gel electrolyte is applied, obtained transparent ultracapacitor.
9. the preparation method of transparent ultracapacitor according to claim 8, is characterized in that described collector is metal forming, metal wire or metal film.
10. the preparation method of transparent ultracapacitor according to claim 8, is characterized in that described electric conducting material is conductive silver paste, conducting resinl.
Priority Applications (1)
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| CN104992844A (en) * | 2015-06-24 | 2015-10-21 | 复旦大学 | Supercapacitor which can be spliced and preparation method thereof |
| CN105070529A (en) * | 2015-08-04 | 2015-11-18 | 上海维凯光电新材料有限公司 | Electrolyte composition with high viscosity capable of keeping stable property along with time |
| CN106548875A (en) * | 2016-11-03 | 2017-03-29 | 东华大学 | A kind of transparent ultracapacitor of all-solid-state flexible and its prepare and apply |
| CN110165011A (en) * | 2018-02-13 | 2019-08-23 | 中国科学院金属研究所 | A kind of method that lossless transfer carbon nano-tube film prepares heterojunction solar battery |
| CN111446378A (en) * | 2019-01-17 | 2020-07-24 | 中国科学院金属研究所 | Method for manufacturing transparent organic light-emitting diode |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104992844A (en) * | 2015-06-24 | 2015-10-21 | 复旦大学 | Supercapacitor which can be spliced and preparation method thereof |
| CN105070529A (en) * | 2015-08-04 | 2015-11-18 | 上海维凯光电新材料有限公司 | Electrolyte composition with high viscosity capable of keeping stable property along with time |
| CN106548875A (en) * | 2016-11-03 | 2017-03-29 | 东华大学 | A kind of transparent ultracapacitor of all-solid-state flexible and its prepare and apply |
| CN110165011A (en) * | 2018-02-13 | 2019-08-23 | 中国科学院金属研究所 | A kind of method that lossless transfer carbon nano-tube film prepares heterojunction solar battery |
| CN110165011B (en) * | 2018-02-13 | 2021-01-08 | 中国科学院金属研究所 | Method for preparing heterojunction solar cell by lossless transfer of carbon nanotube film |
| CN111446378A (en) * | 2019-01-17 | 2020-07-24 | 中国科学院金属研究所 | Method for manufacturing transparent organic light-emitting diode |
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