CN101710538A - Method for manufacturing long-life electrode of super capacitor - Google Patents
Method for manufacturing long-life electrode of super capacitor Download PDFInfo
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- CN101710538A CN101710538A CN200910220245A CN200910220245A CN101710538A CN 101710538 A CN101710538 A CN 101710538A CN 200910220245 A CN200910220245 A CN 200910220245A CN 200910220245 A CN200910220245 A CN 200910220245A CN 101710538 A CN101710538 A CN 101710538A
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- electrode
- utmost point
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- collector
- fuse
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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
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Abstract
The invention discloses a method for manufacturing a long-life electrode of a super capacitor, comprising the following steps of: carrying out alternating current double-side corrosion on a metal collector electrode; dissolving bonding materials; dispersing active material powder and conductive materials to prepare slurry; coating the slurry on the double surfaces of the collector electrode, drying for 10-80 minutes at 100-150 DEG C; pressing the collector electrode into a strip-shaped electrode, and cutting the collector electrode into two strip-shaped electrodes with the same sizes; riveting the two electrodes with lead wires, and placing an electrode septum between the two strip-shaped electrodes; and winding into a core to dry in vacuum for 8-18h at 100-150 DEG C. An adhesive is formed by mixing a substance which has the following general formula (NFn)x-Si-M(4-x) and polyfluortetraethylene. The electrode manufactured by using the compound adhesive has the advantages of softness, large machinery intensity and easy continuous production, and the polarized electrode and the collector electrode can be made with the least thickness of 15 microns.
Description
Technical field
The invention belongs to electronic technology field, relate to ultracapacitor, be specifically related to a kind of manufacture method of electrode of super capacitor.
Background technology
The ultracapacitor principle is to form electric double layer savings electric charge at electrode and electrolyte interface, will use active carbon, carbon fiber, carbon black, carbon nano-tube isoreactivity material in order to improve the capacity density polarization utmost point.For electrode long-life high efficiency is discharged and recharged, Low ESR such as bonded metal and graphite coating on collector electrode.Collector electrode generally uses rafifinal, stainless steel, nickel of electrochemical corrosion resistant etc.Electrolyte has aqueous electrolyte and organic electrolyte.Organic electrolyte is withstand voltage, and high energy stored is many, but causes that water electrolysis impels its decreased performance in capacitor unit inside owing to there is low amounts of water when capacitor charges, and therefore must fully dewater for electrode, generally takes vaccum dewatering.Main component is active carbon, carbon fiber, carbon black, carbon nano-tube, metal oxide, conducting polymer isoreactivity material in the electrode, be generally Powdered, the cellulose family bonding agent mixes with water in addition, and wherein the dispersive electrode material is made slurry, be applied on the collector electrode, drying makes electrode.But a little less than this method bonding force, collector electrode is little with the adhesive strength of the polarization utmost point.
Summary of the invention
At the problem that present electrode of super capacitor and production technology thereof exist, the invention provides a kind of manufacture method of long-life electrode of super capacitor, the adhesive strength that solves collector electrode and the polarization utmost point is little, and problem such as the extremely inner adhesive strength of polarization is little.
The polarization utmost point is made of electrode active material, electric conducting material and adhesive material among the present invention, and the polarization utmost point and metal collector form one, constitutes the electrode of ultracapacitor.During work, electrode immerses in the organic electrolyte.
Bonding agent is mixed by material and polytetrafluoroethylene with following general formula (I).
(NFn)x-Si-M
(4-x) (I)
N=1,2,3,4,5,6 or 7; X=1,2 or 3
M:-CH
3,-CH
2CH
3,-CH
2CH
2CH
3, CH
3CHCH
3,-OCH
3,-OCH
2CH
3,-OCH
2CH
2CH
3Or-OCHCH
3CH
3,
NFn:-CHF
2,-CH
2F ,-CF
3,-CH
2CH
2F ,-CH
2CHF
2,-CH
2CF
3,-CH
2CH
2CH
2F ,-CH
2CH
2CHF
2,-CH
2CH
2CF
3,-CH
2CH
2CH
2CH
2F ,-CH
2CH
2CH
2CHF
2,-CH
2CH
2CH
2CF
3,-CH
2CH
2CHFCF
3,-CH
2CH
2CF
2CF
3,
-CH
2CH
2C
3F
7,-CH
2CH
2CH
2CH
2CH
2F ,-CH
2CH
2CH
2CH
2CHF
2,-CH
2CH
2CH
2CH
2CF
3,-CH
2CH
2CH
2CHFCF
3,-CH
2CH
2CH
2CF
2CF
3,-CH
2CH
2CHFCF
2CF
3,-CH
2CH
2CF
2CF
2CF
3,
Or-C
6F
5
Each constituent content is by the material 5%～50% of quality than general formula (I), polytetrafluoroethylene 50%～95% in the bonding agent.
Bonding agent content is 2～20% (mass ratioes) in the polarization extremely, and all the other are active material.Just can obtain required electrode slice intensity more than bonding agent content 2% reaches, but bonding agent too high levels polarization electrode resistance becomes big, is preferably 5%～15%.
Active material will use the inactive active carbon of chemical property, carbon black or carbon nano-tube isoreactivity material.Can adopt wherein one or more composition, when adopting more than one composition, each component can be with any than mixing.Active carbon specific area 1000～2500m wherein
2/ g, carbon black specific area 100～300m
2/ g, specific surface area of carbon nanotube 100～500m
2/ g.Active material is content 60%～96% (mass ratio) in polarization extremely.
Because the impedance of the polarization utmost point is low, so add electric conducting materials such as graphite or acetylene black, electric conducting material ratio in polarization extremely is 2%～20% (mass ratio).Require electric conducting material granularity 1～5 μ m.
To sum up, the raw material proportioning for preparing the polarization utmost point of the present invention is counted by mass ratio: bonding agent 2%～20%, active material 60%～96%, electric conducting material 2%～20%.
Metal collector is aluminum or aluminum alloy preferably, particularly purity more than 99.9%, the metallic aluminium of copper content below 0.01% (mass ratio), require the metal collector rough surface, can extremely well contact with polarization, can adopt chemical corrosion or AC electrochemical corroding method to handle for making rough surface.
Organic electrolyte does not have particular provisions, and the salt that contains disassociation property in the well-known organic solvent is expressed as R
1R
2R
3R
4NY or R
1R
2R
3R
4PY, R
1, R
2, R
3, R
4For alkyl can be identical also can be inequality; Y is BF
4 -, PF
6 -, ClO
4 -Or CF
3SO
3 -Deng anion constitute, be dissolved in and form organic electrolyte in the organic solvent.
Above-mentioned organic solvent is propene carbonate, butylene, diethyl carbonate, dimethyl carbonate, sulfolane, ethylene carbonate, acetonitrile, diethyl carbonate, methyl ethyl carbonate or oxolane, or the mixed solvent that constitutes of more than one solvent wherein.
Adopt cellulose-based electrolytic paper, porous polypropylene, porous Teflon or porous polyethylene every utmost point film, wherein preferably use the low ptfe porous membrane of the strong moisture content of thermal endurance.Requirement is every utmost point membrane porosity 60%～95%, thickness 15～120 μ m, aperture 0.05～0.2 μ m.
The manufacture method of electrode of the present invention is as follows.
Metal collector is exchanged two-sided corrosion, and obtaining thickness is that 15～40 μ m, the one-sided thickness of roughness are the collector electrode of 1.0～5.0 μ m; In water, ethanol, isopropyl alcohol or methylethylketone equal solvent, dissolve adhesives, dispersed activity material powder and electric conducting material in having dissolved the solution of adhesives, make solids volume content and be 10～25% slurry, this slurry is applied to the two surfaces of collector electrode with equipment such as spreading knife or coating machines, 100～150 ℃ of dryings 10～80 minutes, it is 15～300 μ m that the integral body of the polarization utmost point and collector electrode is depressed into thickness, the polarization utmost point and collector electrode are become one and energy secure bond formation band electrode, this band electrode is cut into the band electrode of two same sizes.Behind two electrode riveted joint lead-in wires, between two band electrodes, sandwich 15～120 μ m thick every utmost point film, be wound into the cylindrical core that diameter is 16～80mm, high 30～170mm then, (rectangle length is 16～80mm, widely be 16～60mm), the fuse of high 30～170mm also can be wound into cross section and to be rectangle.With 100～150 ℃ of vacuumize 8～18h of fuse that spool.
Adopt the electrode of the inventive method preparation to make the method for ultracapacitor with general method.
With the electrode vacuum impregnation electrolyte that completes, to being loaded on the round-ended cylinder shell behind fuse impressed DC voltage 6～10h or having had in the end rectangle barrel shell, the lead-in wire two ends adopt the laser machine to be welded on to seal on the capacitor shell and get final product, and the round-ended cylinder shell is arranged or rectangle barrel shell preferably aluminum in the end is arranged.
Bonding agent adopted one or more compositions in polytetrafluoroethylene, carboxymethyl cellulose, polyvinyl alcohol, the Kynoar when electrode of super capacitor was made in the past, a little less than the electrode slice mechanical strength of making when adopting these bonding agents, be difficult for serialization production, and the electrode softness, the mechanical strength that adopt composite caking agent of the present invention to make big, be easy to serialization production, the thinnest doing to 15 μ m.The ultracapacitor that adopts the electrode of the present invention's preparation to make is that 45 ℃, direct voltage are to discharge and recharge periodic test under the 20A condition from 2.5V to the 1.25V electric current in ambient temperature, and capability retention can reach 92% after 20,000 times.
Embodiment
The raw material that is adopted: the material of general formula (I) is from the research institute that becomes more meticulous of Bohai University, and all the other are the commercially available prod.
Embodiment 1
Bonding agent is mixed by material and polytetrafluoroethylene with following general formula (I).
(NFn)x-Si-M
(4-x) (I)
x＝3
M：-CH
2CH
3
NFn：-CHF
2
Each constituent content is by the material 50% of quality than general formula (I), polytetrafluoroethylene 50% in the bonding agent.
Active material uses the mixture of inactive active carbon of chemical property and carbon black, and the mass ratio of active carbon and carbon black is 8: 1.Active carbon specific area 1800m wherein
2/ g, carbon black specific area 200m
2/ g.
Because the impedance of the polarization utmost point is low, so add the graphite material, requires electric conducting material granularity 3 μ m.
To sum up, the raw material proportioning for preparing the polarization utmost point of the present invention is counted by mass ratio: bonding agent 10%, active material 80%, electric conducting material 10%.
Metal collector adopt purity more than 99.9%, the metallic aluminium of copper content below 0.01% (mass ratio).
Organic electrolyte is the (C of 1.0mol/L
2H
5)
4NBF
4Carbonic allyl ester solution.
Adopt artificial cellulose's paper every utmost point film, require every utmost point membrane porosity 80% thickness 70 μ m, aperture 0.1 μ m.
The manufacture method of electrode is as follows.
Metallic aluminium is exchanged two-sided corrosion, and obtaining corrosive aluminum foil thickness is 25 μ m, and the one-sided thickness of roughness is 2.5 μ m, observes the surface and become spongy under 20,000 times electron microscope, and the etch pit average pore size is 0.1 μ m, at 1cm
29,000,000,000 holes are arranged on the area, hot strength 1.9kg/cm, with it as collector electrode.
In methylethylketone, dissolve adhesives, dispersed activity material powder and electric conducting material in having dissolved the solution of adhesives, make solids volume content and be 16% slurry, this slurry is applied to the two surfaces of collector electrode with equipment such as spreading knife or coating machines, 120 ℃ of dryings 45 minutes, it is 160 μ m that the integral body of the polarization utmost point and collector electrode is depressed into thickness, the polarization utmost point is become one and energy secure bond formation band electrode with collector electrode, this band electrode is cut into the band electrode of two same sizes.Behind two electrodes riveted joint lead-in wire, between two band electrodes, sandwich 70 μ m thick every utmost point film, be wound into the cylindrical core that diameter is 32mm, high 100mm then, with the 120 ℃ of vacuumize 13h of fuse that spool.
With fuse vacuum impregnation electrolyte.Be loaded in the round-ended cylinder shell after 40 ℃ in fuse added 2.5V direct voltage 8h, it is aluminum that the round-ended cylinder shell is arranged.Both positive and negative polarity is welded on aluminum hull respectively with the laser machine and seals behind the two ends up and down.So just obtain rated voltage 2.5V capacity 600F capacitor.
It is 45 ℃ in ambient temperature then, direct voltage is to discharge and recharge periodic test under the 20A condition from 2.5V to the 1.25V electric current, capability retention is 92% after 20,000 times, and environment temperature is 65 ℃ and discharges and recharges periodic test equally in addition, and capability retention is 87% after 10,000 times.
Separate the aluminium foil and the polarization utmost point with cutter in addition, at the electrode substance of the residual volume of aluminium foil one side.
Embodiment 2
Bonding agent is mixed by material and polytetrafluoroethylene with following general formula (I).
(NFn)x-Si-M
(4-x) (I)
x＝2
M：CH
3CHCH
3
NFn：-CH
2CHF
2
Each constituent content is by the material 30% of quality than general formula (I), polytetrafluoroethylene 70% in the bonding agent.
Active material uses the inactive active carbon of chemical property, active carbon specific area 2500m
2/ g.
Because the impedance of the polarization utmost point is low, so add the acetylene black electric conducting material, requires electric conducting material granularity 5 μ m.
To sum up, the raw material proportioning for preparing the polarization utmost point of the present invention is counted by mass ratio: bonding agent 20%, active material 60%, electric conducting material 20%.
Metal collector be purity more than 99.9%, the metallic aluminium of copper content below 0.01% (mass ratio).
Organic electrolyte is the (C of 1.0mol/L
2H
5)
4NBF
4Carbonic allyl ester solution.
Adopt porous polypropylene every utmost point film, require every utmost point membrane porosity 90% thickness 120 μ m, aperture 0.2 μ m.
The manufacture method of electrode is as follows.
Metal collector is exchanged two-sided corrosion, and obtaining thickness is that 40 μ m, the one-sided thickness of roughness are the collector electrode of 5.0 μ m; In isopropyl alcohol, dissolve adhesives, dispersed activity material powder and electric conducting material in having dissolved the solution of adhesives, make solids volume content and be 25% slurry, this slurry is applied to the two surfaces of collector electrode with equipment such as spreading knife or coating machines, 150 ℃ of dryings 15 minutes, it is 300 μ m that the integral body of the polarization utmost point and collector electrode is depressed into thickness, the polarization utmost point is become one and energy secure bond formation band electrode with collector electrode, this band electrode is cut into the band electrode of two same sizes.Behind two electrodes riveted joint lead-in wire, between two band electrodes, sandwich 120 μ m thick every utmost point film, be wound into cross section then and be the fuse of rectangle (rectangle long for 80mm, widely be 60mm), high 160mm.With the 150 ℃ of vacuumize 8h of fuse that spool.
With fuse vacuum impregnation electrolyte.Be loaded in the end rectangle barrel shell after 40 ℃ in fuse added 2.5V direct voltage 8h, it is aluminum that end rectangle barrel shell is arranged.Both positive and negative polarity is welded on aluminum hull respectively with the laser machine and seals behind the two ends up and down.
In ambient temperature is 45 ℃, and voltage is to discharge and recharge periodic test under the 20A condition from 2.5V to the 1.25V electric current, and capability retention is 93% after 20,000 times.Separate the aluminium foil and the polarization utmost point with cutter in addition, at the electrode substance of the residual volume of aluminium foil one side.
Embodiment 3
Bonding agent is mixed by material and polytetrafluoroethylene with following general formula (I).
(NFn)x-Si-M
(4-x) (I)
x＝1
M：-OCHCH
3CH
3
NFn：
Each constituent content is by the material 5%% of quality than general formula (I), polytetrafluoroethylene 95% in the bonding agent.
Active material uses the inactive carbon nano-tube of chemical property, specific surface area of carbon nanotube 300m
2/ g.
Because the impedance of the polarization utmost point is low, so add the graphite material, requires electric conducting material granularity 1 μ m.
To sum up, the raw material proportioning for preparing the polarization utmost point of the present invention is counted by mass ratio: bonding agent 2%%, active material 96%, electric conducting material 2%.
Metal collector be purity more than 99.9%, the metallic aluminium of copper content below 0.01% (mass ratio).
Organic electrolyte is the (C of 1.0mol/L
2H
5)
4NBF
4Carbonic allyl ester solution.
Adopt ptfe porous membrane every utmost point film.Requirement is every utmost point membrane porosity 65%, thickness 20 μ m, aperture 0.05 μ m.
The manufacture method of electrode is as follows.
Metal collector is exchanged two-sided corrosion, and obtaining thickness is that 15 μ m, the one-sided thickness of roughness are the collector electrode of 1.0 μ m; In ethanol, dissolve adhesives, dispersed activity material powder and electric conducting material in having dissolved the solution of adhesives, make solids volume content and be 10% slurry, this slurry is applied to the two surfaces of collector electrode with equipment such as spreading knife or coating machines, 100 ℃ of dryings 80 minutes, it is 35 μ m that the integral body of the polarization utmost point and collector electrode is depressed into thickness, the polarization utmost point is become one and energy secure bond formation band electrode with collector electrode, this band electrode is cut into the band electrode of two same sizes.Behind two electrodes riveted joint lead-in wire, between two band electrodes, sandwich 20 μ m thick every utmost point film, be wound into the cylindrical core that diameter is 20mm, high 30mm then, with the 100 ℃ of vacuumize 18h of fuse that spool.
With fuse vacuum impregnation electrolyte.Be loaded in the end circular cylindrical shell after 40 ℃ in fuse added 2.5V direct voltage 8h, it is aluminum that end circular cylindrical shell is arranged.Both positive and negative polarity is welded on aluminum hull respectively with the laser machine and seals behind the two ends up and down.In ambient temperature is 45 ℃, and stream voltage is to discharge and recharge periodic test under the 20A condition from 2.5V to the 1.25V electric current, and capability retention is 91% after 20,000 times.The external application cutter separates the aluminium foil and the polarization utmost point, at the electrode substance of the residual volume of aluminium foil one side.
Embodiment 4
Bonding agent is mixed by material and polytetrafluoroethylene with following general formula (I).
(NFn)x-Si-M
(4-x) (I)
x＝3
M：-OCH
2CH
2CH
3
NFn：-CH
2CH
2CF
2CF
2CF
3
Each constituent content is by the material 30% of quality than general formula (I), polytetrafluoroethylene 70% in the bonding agent.
Active material uses the composite material of inactive active carbon of chemical property and carbon nano-tube.Is 1: 1 in quality than the ratio of active carbon and carbon nano-tube.Active carbon specific area 1200m wherein
2/ g, specific surface area of carbon nanotube 120m
2/ g.
Because the impedance of the polarization utmost point is low, so add the graphite material, requires electric conducting material granularity 2 μ m.
To sum up, the raw material proportioning for preparing the polarization utmost point of the present invention is counted by mass ratio: bonding agent 5%, active material 90%, electric conducting material 5%.
Metal collector be purity more than 99.9%, the metallic aluminium of copper content below 0.01% (mass ratio).
Organic electrolyte is the (C of 1.0mol/L
2H
5)
4NBF
4Carbonic allyl ester solution.
Adopt porous polyethylene every utmost point film, require every utmost point membrane porosity 85% aperture 0.15 μ m.
The manufacture method of electrode is as follows.
Metal collector is exchanged two-sided corrosion, and obtaining thickness is that 30 μ m, the one-sided thickness of roughness are the collector electrode of 4.0 μ m; In methylethylketone, dissolve adhesives, dispersed activity material powder and electric conducting material in having dissolved the solution of adhesives, make solids volume content and be 20% slurry, this slurry is applied to the two surfaces of collector electrode with equipment such as spreading knife or coating machines, 130 ℃ of dryings 30 minutes, it is 80 μ m that the integral body of the polarization utmost point and collector electrode is depressed into thickness, the polarization utmost point is become one and energy secure bond formation band electrode with collector electrode, this band electrode is cut into the band electrode of two same sizes.Behind two electrodes riveted joint lead-in wire, between two band electrodes, sandwich 40 μ m thick every utmost point film, be wound into the cylindrical core that diameter is 40mm, high 50mm then, with the 130 ℃ of vacuumize 12h of fuse that spool.
With fuse vacuum impregnation electrolyte.Be loaded in the end circular cylindrical shell after 40 ℃ in fuse added 2.5V direct voltage 8h, it is aluminum that end circular cylindrical shell is arranged.Both positive and negative polarity is welded on aluminum hull respectively with the laser machine and seals behind the two ends up and down.In ambient temperature is 45 ℃, and stream voltage is to discharge and recharge periodic test under the 20A condition from 2.5V to the 1.25V electric current, and capability retention is 86% after 20,000 times.The external application cutter separates the aluminium foil and the polarization utmost point, at the electrode substance of the residual volume of aluminium foil one side.
Embodiment 5
Bonding agent is mixed by material and polytetrafluoroethylene with following general formula (I).
(NFn)x-Si-M
(4-x)(I)
x＝2
M：-CH
3
NFn：-CH
2F
Each constituent content is by the material 25% of quality than general formula (I), polytetrafluoroethylene 75% in the bonding agent.
Active material will use the inactive active carbon of chemical property, active carbon specific area 2000m
2/ g.
Because the impedance of the polarization utmost point is low, so add the graphite material, requires electric conducting material granularity 2 μ m.
To sum up, the raw material proportioning for preparing the polarization utmost point of the present invention is counted by mass ratio: bonding agent 15%, active material 77%, electric conducting material 8%.
Metal collector preferably purity more than 99.9%, the metallic aluminium of copper content below 0.01% (mass ratio).
Organic electrolyte is the (C of 1.0mol/L
2H
5)
4NBF
4Carbonic allyl ester solution.
Adopt porous polypropylene every utmost point film, require every utmost point membrane porosity 75% aperture 0.08 μ m.
The manufacture method of electrode is as follows.
Metal collector is exchanged two-sided corrosion, and obtaining thickness is that 35 μ m, the one-sided thickness of roughness are the collector electrode of 4.5 μ m; In water, dissolve adhesives, dispersed activity material powder and electric conducting material in having dissolved the solution of adhesives, make solids volume content and be 12% slurry, this slurry is applied to the two surfaces of collector electrode with equipment such as spreading knife or coating machines, 140 ℃ of dryings 25 minutes, it is 180 μ m that the integral body of the polarization utmost point and collector electrode is depressed into thickness, the polarization utmost point is become one and energy secure bond formation band electrode with collector electrode, this band electrode is cut into the band electrode of two same sizes.Behind two electrodes riveted joint lead-in wire, between two band electrodes, sandwich 35 μ m thick every utmost point film, be wound into cross section then and be the fuse of rectangle (rectangle long for 30mm, widely be 20mm), high 60mm.With the 130 ℃ of vacuumize 12h of fuse that spool.
With fuse vacuum impregnation electrolyte.Be loaded in the end rectangle barrel shell after 40 ℃ in fuse added 2.5V direct voltage 8h, it is aluminum that end rectangle barrel shell is arranged.In ambient temperature is 45 ℃, and stream voltage is to discharge and recharge periodic test under the 20A condition from 2.5V to the 1.25V electric current, and capability retention is 56% after 20,000 times.Environment temperature is 65 ℃ and discharges and recharges periodic test equally in addition, and capability retention is 23% after 10,000 times.Separate the aluminium foil and the polarization utmost point with cutter in addition, at the residual a spot of electrode substance of aluminium foil one side.
Embodiment 6
Bonding agent is mixed by material and polytetrafluoroethylene with following general formula (I).
(NFn)x-Si-M
(4-x)(I)
x＝3
M：-OCH
3
NFn：
Each constituent content is by the material 40% of quality than general formula (I), polytetrafluoroethylene 60% in the bonding agent.
Active material uses the inactive carbon nano-tube of chemical property.Specific surface area of carbon nanotube 400m
2/ g.
Because the impedance of the polarization utmost point is low, so add the acetylene black electric conducting material, requires electric conducting material granularity 2 μ m.
To sum up, the raw material proportioning for preparing the polarization utmost point of the present invention is counted by mass ratio: bonding agent 18%, active material 64%, electric conducting material 18%.
Metal collector be purity more than 99.9%, the metallic aluminium of copper content below 0.01% (mass ratio).
Organic electrolyte is the (C of 1.0mol/L
2H
5)
4NBF
4Carbonic allyl ester solution.
Adopt porous polyethylene every utmost point film, require every utmost point membrane porosity 85% aperture 0.2 μ m.
The manufacture method of electrode is as follows.
Metal collector is exchanged two-sided corrosion, and obtaining thickness is that 40 μ m, the one-sided thickness of roughness are the collector electrode of 5.0 μ m; In isopropyl alcohol, dissolve adhesives, dispersed activity material powder and electric conducting material in having dissolved the solution of adhesives, make solids volume content and be 22% slurry, this slurry is applied to the two surfaces of collector electrode with equipment such as spreading knife or coating machines, 150 ℃ of dryings 10 minutes, it is 260 μ m that the integral body of the polarization utmost point and collector electrode is depressed into thickness, the polarization utmost point is become one and energy secure bond formation band electrode with collector electrode, this band electrode is cut into the band electrode of two same sizes.Behind two electrodes riveted joint lead-in wire, between two band electrodes, sandwich 90 μ m thick every utmost point film, be wound into the cylindrical core that diameter is 50mm, high 80mm then, with the 150 ℃ of vacuumize 8h of fuse that spool.
With fuse vacuum impregnation electrolyte.Be loaded in the end circular cylindrical shell after 40 ℃ in fuse added 2.5V direct voltage 8h, it is aluminum that end circular cylindrical shell is arranged.Both positive and negative polarity is welded on aluminum hull respectively with the laser machine and seals behind the two ends up and down.So just obtain rated voltage 2.5V capacity 1200F capacitor.
It is 45 ℃ in ambient temperature then, direct voltage is to discharge and recharge periodic test under the 40A condition from 2.5V to the 1.25V electric current, capability retention is 93% after 20,000 times, and environment temperature is 65 ℃ and discharges and recharges periodic test equally in addition, and capability retention is 88% after 10,000 times.
Separate the aluminium foil and the polarization utmost point with cutter in addition, at the electrode substance of the residual volume of aluminium foil one side.
Embodiment 7
Bonding agent is mixed by material and polytetrafluoroethylene with following general formula (I).
(NFn)x-Si-M
(4-x) (I)
x＝1
M：CH
3CHCH
3
NFn：-C
6F
5
Each constituent content is by the material 32% of quality than general formula (I), polytetrafluoroethylene 68% in the bonding agent.
Active material uses the inactive carbon black of chemical property, carbon black specific area 100m
2/ g.
Because the impedance of the polarization utmost point is low, so add the graphite material, requires electric conducting material granularity 5 μ m.
To sum up, the raw material proportioning for preparing the polarization utmost point of the present invention is counted by mass ratio: bonding agent 9%, active material 85%, electric conducting material 6%.
Metal collector be purity more than 99.9%, the metallic aluminium of copper content below 0.01% (mass ratio).
Organic electrolyte is the (C of 1.0mol/L
2H
5)
4NBF
4Carbonic allyl ester solution.
Adopt porous polypropylene every utmost point film, require every utmost point membrane porosity 65% aperture 0.05 μ m.
The manufacture method of electrode is as follows.
Metal collector is exchanged two-sided corrosion, and obtaining thickness is that 15 μ m, the one-sided thickness of roughness are the collector electrode of 1.0 μ m; In ethanol, dissolve adhesives, dispersed activity material powder and electric conducting material in having dissolved the solution of adhesives, make solids volume content and be 11% slurry, this slurry is applied to the two surfaces of collector electrode with equipment such as spreading knife or coating machines, 110 ℃ of dryings 75 minutes, it is 40 μ m that the integral body of the polarization utmost point and collector electrode is depressed into thickness, the polarization utmost point is become one and energy secure bond formation band electrode with collector electrode, this band electrode is cut into the band electrode of two same sizes.Behind two electrodes riveted joint lead-in wire, between two band electrodes, sandwich 16 μ m thick every utmost point film, coiling coiled cross section is the fuse of rectangle (rectangle long for 25mm, widely be 20mm), high 30mm then.With the 110 ℃ of vacuumize 9h of fuse that spool.
With fuse vacuum impregnation electrolyte.Be loaded in the end rectangle barrel shell after 40 ℃ in fuse added 2.5V direct voltage 8h, it is aluminum that end rectangle barrel shell is arranged.Both positive and negative polarity is welded on aluminum hull respectively with the laser machine and seals behind the two ends up and down.So just obtain rated voltage 2.5V capacity 120F capacitor.
It is 45 ℃ in ambient temperature then, direct voltage is to discharge and recharge periodic test under the 5A condition from 2.5V to the 1.25V electric current, capability retention is 90% after 20,000 times, and environment temperature is 65 ℃ and discharges and recharges periodic test equally in addition, and capability retention is 87% after 10,000 times.
Separate the aluminium foil and the polarization utmost point with cutter in addition, at the electrode substance of the residual volume of aluminium foil one side.
Embodiment 8
Bonding agent is mixed by material and polytetrafluoroethylene with following general formula (I).
(NFn)x-Si-M
(4-x)(I)
x＝3
M：-OCHCH
3CH
3
NFn：-CH
2CH
2CH
2CH
2CH
2F
Each constituent content is by the material 50% of quality than general formula (I), polytetrafluoroethylene 50% in the bonding agent.
Active material uses the composition of inactive active carbon of chemical property and carbon black, and the mass ratio of active carbon and carbon black is 3: 1.Active carbon specific area 1100m wherein
2/ g, carbon black specific area 110m
2/ g.
Because the impedance of the polarization utmost point is low, so add the acetylene black electric conducting material, requires electric conducting material granularity 5 μ m.
To sum up, the raw material proportioning for preparing the polarization utmost point of the present invention is counted by mass ratio: bonding agent 15%, active material 75%, electric conducting material 10%.
Metal collector be purity more than 99.9%, the metallic aluminium of copper content below 0.01% (mass ratio).
Organic electrolyte is the (C of 1.0mol/L
2H
5)
4NBF
4Carbonic allyl ester solution.
Adopt ptfe porous membrane every utmost point film.Requirement is every utmost point membrane porosity 88%, aperture 0.12 μ m.
The manufacture method of electrode is as follows.
Metal collector is exchanged two-sided corrosion, and obtaining thickness is that 26 μ m, the one-sided thickness of roughness are the collector electrode of 1.5 μ m; In methylethylketone, dissolve adhesives, dispersed activity material powder and electric conducting material in having dissolved the solution of adhesives, make solids volume content and be 23% slurry, this slurry is applied to the two surfaces of collector electrode with equipment such as spreading knife or coating machines, 135 ℃ of dryings 50 minutes, it is 160 μ m that the integral body of the polarization utmost point and collector electrode is depressed into thickness, the polarization utmost point is become one and energy secure bond formation band electrode with collector electrode, this band electrode is cut into the band electrode of two same sizes.Behind two electrodes riveted joint lead-in wire, between two band electrodes, sandwich 85 μ m thick every utmost point film, be wound into the cylindrical core that diameter is 40mm, high 50mm then, with the 100 ℃ of vacuumize 18h of fuse that spool.
With fuse vacuum impregnation electrolyte.Be loaded in the end circular cylindrical shell after 40 ℃ in fuse added 2.5V direct voltage 8h, it is aluminum that end circular cylindrical shell is arranged.Both positive and negative polarity is welded on aluminum hull respectively with the laser machine and seals behind the two ends up and down.So just obtain rated voltage 2.5V capacity 400F capacitor.
It is 45 ℃ in ambient temperature then, direct voltage is to discharge and recharge periodic test under the 5A condition from 2.5V to the 1.25V electric current, capability retention is 85% after 20,000 times, and environment temperature is 65 ℃ and discharges and recharges periodic test equally in addition, and capability retention is 80% after 10,000 times.
Separate the aluminium foil and the polarization utmost point with cutter in addition, at the electrode substance of the residual volume of aluminium foil one side.
Embodiment 9
Bonding agent is mixed by material and polytetrafluoroethylene with following general formula (I).
(NFn)x-Si-M
(4-x)(I)
x＝2
M：-CH
2CH
2CH
3
NFn：-CH
2CH
2C
3F
7
Each constituent content is by the material 33% of quality than general formula (I), polytetrafluoroethylene 67% in the bonding agent.
Active material uses the inactive active carbon of chemical property, active carbon specific area 1700m
2/ g.
Because the impedance of the polarization utmost point is low, so add the graphite material, requires electric conducting material granularity 4 μ m.
To sum up, the raw material proportioning for preparing the polarization utmost point of the present invention is counted by mass ratio: bonding agent 13%, active material 72%, electric conducting material 15%.
Metal collector be purity more than 99.9%, the metallic aluminium of copper content below 0.01% (mass ratio).
Organic electrolyte is the (C of 1.0mol/L
2H
5)
4NBF
4Carbonic allyl ester solution.
Adopt ptfe porous membrane every utmost point film.Requirement is every utmost point membrane porosity 60%, aperture 0.1 μ m.
The manufacture method of electrode is as follows.
Metal collector is exchanged two-sided corrosion, and obtaining thickness is that 22 μ m, the one-sided thickness of roughness are the collector electrode of 2.2 μ m; In methylethylketone, dissolve adhesives, dispersed activity material powder and electric conducting material in having dissolved the solution of adhesives, make solids volume content and be 21% slurry, this slurry is applied to the two surfaces of collector electrode with equipment such as spreading knife or coating machines, 150 ℃ of dryings 20 minutes, it is 280 μ m that the integral body of the polarization utmost point and collector electrode is depressed into thickness, the polarization utmost point is become one and energy secure bond formation band electrode with collector electrode, this band electrode is cut into the band electrode of two same sizes.Behind two electrodes riveted joint lead-in wire, between two band electrodes, sandwich 22 μ m thick every utmost point film, coiling coiled cross section is the fuse of rectangle (rectangle long for 75mm, widely be 60mm), high 100mm then.With the 100 ℃ of vacuumize 15h of fuse that spool.
With fuse vacuum impregnation electrolyte.Be loaded in the end rectangle barrel shell after 40 ℃ in fuse added 2.5V direct voltage 8h, it is aluminum that end rectangle barrel shell is arranged.Both positive and negative polarity is welded on aluminum hull respectively with the laser machine and seals behind the two ends up and down.In ambient temperature is 45 ℃, direct voltage is to discharge and recharge periodic test under the 40A condition from 2.5V to the 1.25V electric current, capability retention is 90% after 20,000 times, and environment temperature is 65 ℃ and discharges and recharges periodic test equally in addition, and capability retention is 88% after 10,000 times.
Separate the aluminium foil and the polarization utmost point with cutter in addition, at the electrode substance of the residual volume of aluminium foil one side.
Embodiment 10
Bonding agent is mixed by material and polytetrafluoroethylene with following general formula (I).
(NFn)x-Si-M
(4-x)(I)
x＝1
M：-OCH
2CH
3
NFn：-CH
2CH
2CH
2CHF
2
Each constituent content is by the material 9% of quality than general formula (I), polytetrafluoroethylene 91% in the bonding agent.
Active material uses the inactive carbon nano-tube of chemical property.Specific surface area of carbon nanotube 220m
2/ g.
Because the impedance of the polarization utmost point is low, so add the graphite material, requires electric conducting material granularity 2 μ m.
To sum up, the raw material proportioning for preparing the polarization utmost point of the present invention is counted by mass ratio: bonding agent 11%, active material 74%, electric conducting material 15%.
Metal collector be purity more than 99.9%, the metallic aluminium of copper content below 0.01% (mass ratio).
Organic electrolyte is the (C of 1.0mol/L
2H
5)
4NBF
4Carbonic allyl ester solution.
Adopt ptfe porous membrane every utmost point film.Requirement is every utmost point membrane porosity 78%, aperture 0.09 μ m.
The manufacture method of electrode is as follows.
Metal collector is exchanged two-sided corrosion, and obtaining thickness is that 21 μ m, the one-sided thickness of roughness are the collector electrode of 3.2 μ m; In methylethylketone, dissolve adhesives, dispersed activity material powder and electric conducting material in having dissolved the solution of adhesives, make solids volume content and be 16% slurry, this slurry is applied to the two surfaces of collector electrode with equipment such as spreading knife or coating machines, 100 ℃ of dryings 60 minutes, it is 96 μ m that the integral body of the polarization utmost point and collector electrode is depressed into thickness, the polarization utmost point is become one and energy secure bond formation band electrode with collector electrode, this band electrode is cut into the band electrode of two same sizes.Behind two electrodes riveted joint lead-in wire, between two band electrodes, sandwich 66 μ m thick every utmost point film, the cylindrical core that is wound into diameter then and is 35mm, high 60mm is with the 150 ℃ of vacuumize 10h of fuse that spool.
With fuse vacuum impregnation electrolyte.Be loaded in the end circular cylindrical shell after 40 ℃ in fuse added 2.5V direct voltage 8h, it is aluminum that end circular cylindrical shell is arranged.In ambient temperature is 45 ℃, direct voltage is to discharge and recharge periodic test under the 40A condition from 2.5V to the 1.25V electric current, capability retention is 91% after 20,000 times, and environment temperature is 65 ℃ and discharges and recharges periodic test equally in addition, and capability retention is 86% after 10,000 times.
Separate the aluminium foil and the polarization utmost point with cutter in addition, at the electrode substance of the residual volume of aluminium foil one side.
Embodiment 11
Bonding agent is mixed by material and polytetrafluoroethylene with following general formula (I).
(NFn)x-Si-M
(4-x)?(I)
x＝1
M：-OCH
2CH
3
NFn：-CH
2CH
2CH
2F
Each constituent content is by the material 28% of quality than general formula (I), polytetrafluoroethylene 72% in the bonding agent.
Active material uses the inactive active carbon of chemical property, active carbon specific area 1600m
2/ g.
Because the impedance of the polarization utmost point is low, so add the graphite material, requires electric conducting material granularity 5 μ m.
To sum up, the raw material proportioning for preparing the polarization utmost point of the present invention is counted by mass ratio: bonding agent 3%, active material 92%, electric conducting material 5%.
Metal collector be purity more than 99.9%, the metallic aluminium of copper content below 0.01% (mass ratio).
Organic electrolyte is the (C of 1.0mol/L
2H
5)
4NBF
4Carbonic allyl ester solution.
Adopt ptfe porous membrane every utmost point film.Requirement is every utmost point membrane porosity 70%, aperture 0.2 μ m.
The manufacture method of electrode is as follows.
Metal collector is exchanged two-sided corrosion, and obtaining thickness is that 15 μ m, the one-sided thickness of roughness are the collector electrode of 2.0 μ m; In methylethylketone, dissolve adhesives, dispersed activity material powder and electric conducting material in having dissolved the solution of adhesives, make solids volume content and be 20% slurry, this slurry is applied to the two surfaces of collector electrode with equipment such as spreading knife or coating machines, 150 ℃ of dryings 35 minutes, it is 15 μ m that the integral body of the polarization utmost point and collector electrode is depressed into thickness, the polarization utmost point is become one and energy secure bond formation band electrode with collector electrode, this band electrode is cut into the band electrode of two same sizes.Behind two electrodes riveted joint lead-in wire, between two band electrodes, sandwich 55 μ m thick every utmost point film, be wound into the cylindrical core that diameter is 55mm, high 75mm then, with the 150 ℃ of vacuumize 10h of fuse that spool.
With fuse vacuum impregnation electrolyte.Be loaded in the end circular cylindrical shell after 40 ℃ in fuse added 2.5V direct voltage 8h, it is aluminum that end circular cylindrical shell is arranged.In ambient temperature is 45 ℃, direct voltage is to discharge and recharge periodic test under the 40A condition from 2.5V to the 1.25V electric current, capability retention is 52% after 20,000 times, and environment temperature is 65 ℃ and discharges and recharges periodic test equally in addition, and capability retention is 26% after 10,000 times.
Separate the aluminium foil and the polarization utmost point with cutter in addition, at the residual a spot of electrode substance of aluminium foil one side.
Embodiment 12
Bonding agent is mixed by material and polytetrafluoroethylene with following general formula (I).
(NFn)x-Si-M
(4-x)(I)
x＝3
M：-OCH
2CH
2CH
3
NFn：-CH
2CH
2CF
2CF
2CF
3
Each constituent content is by the material 50% of quality than general formula (I), polytetrafluoroethylene 50% in the bonding agent.
Active material will use the composition of the inactive active carbon of chemical property, carbon black and carbon nano-tube, and each component is mixed with 1: 1: 1 mass ratio.Active carbon specific area 1800m wherein
2/ g, carbon black specific area 200m
2/ g, specific surface area of carbon nanotube 300m
2/ g.
Because the impedance of the polarization utmost point is low, so add the graphite material, requires electric conducting material granularity 3 μ m.
To sum up, the raw material proportioning for preparing the polarization utmost point of the present invention is counted by mass ratio: bonding agent 15%, active material 75%, electric conducting material 10%.
Metal collector be purity more than 99.9%, the metallic aluminium of copper content below 0.01% (mass ratio).
Organic electrolyte is the (C of 1.0mol/L
2H
5)
4NBF
4Carbonic allyl ester solution.
Adopt ptfe porous membrane every utmost point film.Requirement is every utmost point membrane porosity 75%, aperture 0.1 μ m.
The manufacture method of electrode is as follows.
Metal collector is exchanged two-sided corrosion, and obtaining thickness is that 25 μ m, the one-sided thickness of roughness are the collector electrode of 3.0 μ m; In methylethylketone, dissolve adhesives, dispersed activity material powder and electric conducting material in having dissolved the solution of adhesives, make solids volume content and be 25% slurry, this slurry is applied to the two surfaces of collector electrode with equipment such as spreading knife or coating machines, 100 ℃ of dryings 80 minutes, it is 100 μ m that the integral body of the polarization utmost point and collector electrode is depressed into thickness, the polarization utmost point is become one and energy secure bond formation band electrode with collector electrode, this band electrode is cut into the band electrode of two same sizes.Behind two electrodes riveted joint lead-in wire, between two band electrodes, sandwich 100 μ m thick every utmost point film, be wound into the cylindrical core that diameter is 40mm, high 60mm then, with the 150 ℃ of vacuumize 8h of fuse that spool.
With fuse vacuum impregnation electrolyte.Be loaded in the end circular cylindrical shell after 40 ℃ in fuse added 2.5V direct voltage 8h, it is aluminum that end circular cylindrical shell is arranged.In ambient temperature is 45 ℃, direct voltage is to discharge and recharge periodic test under the 40A condition from 2.5V to the 1.25V electric current, capability retention is 91% after 20,000 times, and environment temperature is 65 ℃ and discharges and recharges periodic test equally in addition, and capability retention is 86% after 10,000 times.
Separate the aluminium foil and the polarization utmost point with cutter in addition, at the residual a large amount of electrode substance of aluminium foil one side.
Embodiment 13
Bonding agent is mixed by material and polytetrafluoroethylene with following general formula (I).
(NFn)x-Si-M
(4-x)?(I)
x＝3
M：-OCH
3
NFn：-CH
2CH
2CHF
2
Each constituent content is by the material 48% of quality than general formula (I), polytetrafluoroethylene 52% in the bonding agent.
Active material will use the inactive active carbon of chemical property.Active carbon specific area 2000m
2/ g.
Because the impedance of the polarization utmost point is low, so add the graphite material, requires electric conducting material granularity 3 μ m.
To sum up, the raw material proportioning for preparing the polarization utmost point of the present invention is counted by mass ratio: bonding agent 10%, active material 75%, electric conducting material 15%.
Metal collector be purity more than 99.9%, the metallic aluminium of copper content below 0.01% (mass ratio).
Organic electrolyte is the (C of 1.0mol/L
2H
5)
4NBF
4Carbonic allyl ester solution.
Adopt ptfe porous membrane every utmost point film.Requirement is every utmost point membrane porosity 92%, aperture 0.15 μ m.
The manufacture method of electrode is as follows.
Metal collector is exchanged two-sided corrosion, and obtaining thickness is that 19 μ m, the one-sided thickness of roughness are the collector electrode of 1.9 μ m; In methylethylketone, dissolve adhesives, dispersed activity material powder and electric conducting material in having dissolved the solution of adhesives, make solids volume content and be 19% slurry, this slurry is applied to the two surfaces of collector electrode with equipment such as spreading knife or coating machines, 125 ℃ of dryings 30 minutes, it is 45 μ m that the integral body of the polarization utmost point and collector electrode is depressed into thickness, the polarization utmost point is become one and energy secure bond formation band electrode with collector electrode, this band electrode is cut into the band electrode of two same sizes.Behind two electrodes riveted joint lead-in wire, between two band electrodes, sandwich 45 μ m thick every utmost point film, be wound into cross section then and be the fuse of rectangle (rectangle long for 65mm, widely be 40mm), high 150mm.With the 100 ℃ of vacuumize 18h of fuse that spool.
With fuse vacuum impregnation electrolyte.Be loaded in the end rectangle barrel shell after 40 ℃ in fuse added 2.5V direct voltage 8h, it is aluminum that end rectangle barrel shell is arranged.In ambient temperature is 45 ℃, direct voltage is to discharge and recharge periodic test under the 40A condition from 2.5V to the 1.25V electric current, capability retention is 89% after 20,000 times, and environment temperature is 65 ℃ and discharges and recharges periodic test equally in addition, and capability retention is 83% after 10,000 times.
Separate the aluminium foil and the polarization utmost point with cutter in addition, at the residual a large amount of electrode substance of aluminium foil one side.
Claims (7)
1. the manufacture method of a long-life electrode of super capacitor is characterized in that:
Metal collector is exchanged two-sided corrosion, and obtaining thickness is that 15～40 μ m, the one-sided thickness of roughness are the collector electrode of 1.0～5.0 μ m; At water, ethanol, dissolve adhesives in isopropyl alcohol or the methylethylketone, dispersed activity material powder and electric conducting material in having dissolved the solution of adhesives, make solids volume content and be 10～25% slurry, this slurry is applied to the two surfaces of collector electrode with spreading knife or coating machine, 100～150 ℃ of dryings 10～80 minutes, it is 15～300 μ m that the integral body of the polarization utmost point and collector electrode is depressed into thickness, the polarization utmost point and collector electrode are become one and energy secure bond formation band electrode, this band electrode is cut into the band electrode of two same sizes, behind two electrode riveted joint lead-in wires, between two band electrodes, sandwich 15～120 μ m thick every utmost point film, be wound into cylindrical core then, or be wound into the fuse that cross section is a rectangle, with 100～150 ℃ of vacuumize 8～18h of fuse that spool;
Bonding agent is mixed by material and polytetrafluoroethylene with following general formula (I);
(NFn)x-Si-M
(4-x)(I)
X=1,2 or 3
M:-CH
3,-CH
2CH
3,-CH
2CH
2CH
3, CH
3CHCH
3,-OCH
3,-OCH
2CH
3,-OCH
2CH
2CH
3Or-OCHCH
3CH
3,
NFn:-CHF
2,-CH
2F ,-CF
3,-CH
2CH
2F ,-CH
2CHF
2,-CH
2CF
3,-CH
2CH
2CH
2F ,-CH
2CH
2CHF
2,-CH
2CH
2CF
3,-CH
2CH
2CH
2CH
2F ,-CH
2CH
2CH
2CHF
2,-CH
2CH
2CH
2CF
3,-CH
2CH
2CHFCF
3,-CH
2CH
2CF
2CF
3,
-CH
2CH
2C
3F
7,-CH
2CH
2CH
2CH
2CH
2F ,-CH
2CH
2CH
2CH
2CHF
2,-CH
2CH
2CH
2CH
2CF
3,-CH
2CH
2CH
2CHFCF
3,-CH
2CH
2CH
2CF
2CF
3,-CH
2CH
2CHFCF
2CF
3,-CH
2CH
2CF
2CF
2CF
3,
Or-C
6F
5
Each constituent content is by the material 5%～50% of quality than general formula (I), polytetrafluoroethylene 50%～95% in the bonding agent.
2. according to the manufacture method of the described long-life electrode of super capacitor of claim 1, it is characterized in that: active material adopts active carbon, carbon black or carbon nano-tube, adopts wherein one or more composition, wherein active carbon specific area 1000～2500m
2/ g, carbon black specific area 100～300m
2/ g, specific surface area of carbon nanotube 100～500m
2/ g.
3. according to the manufacture method of the described long-life electrode of super capacitor of claim 1, it is characterized in that: electric conducting material is graphite or acetylene black, electric conducting material granularity 1～5 μ m.
4. according to the manufacture method of the described long-life electrode of super capacitor of claim 1, it is characterized in that: the raw material proportioning of the polarization utmost point is counted by mass ratio: bonding agent 2%～20%, active material 60%～96%, electric conducting material 2%～20%.
5. according to the manufacture method of the described long-life electrode of super capacitor of claim 1, it is characterized in that: metal collector is an aluminum or aluminum alloy.
6. according to the manufacture method of the described long-life electrode of super capacitor of claim 1, it is characterized in that: adopt cellulose-based electrolytic paper, porous polypropylene, porous Teflon or porous polyethylene every utmost point film, every utmost point membrane porosity 60%～95%, thickness 15～120 μ m, aperture 0.05～0.2 μ m.
7. according to the manufacture method of the described long-life electrode of super capacitor of claim 1, it is characterized in that: being wound into cylindrical core, is to be wound into the cylindrical core that diameter is 16～80mm, high 30～170mm; Being wound into the fuse that cross section is a rectangle, is the fuse of reeling and growing into 16～80mm, the wide 16～60mm of being, high 30～170mm.
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| CN2009102202454A CN101710538B (en) | 2009-11-27 | 2009-11-27 | Method for manufacturing long-life electrode of super capacitor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102202454A CN101710538B (en) | 2009-11-27 | 2009-11-27 | Method for manufacturing long-life electrode of super capacitor |
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| CN101710538B CN101710538B (en) | 2011-03-30 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102543480A (en) * | 2011-12-29 | 2012-07-04 | 锦州凯美能源有限公司 | Preparation method of super capacitor |
| CN102543481A (en) * | 2011-12-29 | 2012-07-04 | 锦州凯美能源有限公司 | Manufacture method of super capacitor |
| CN102568861A (en) * | 2011-12-29 | 2012-07-11 | 锦州凯美能源有限公司 | Method for making super-capacitor |
| CN105849839A (en) * | 2013-12-26 | 2016-08-10 | 住友电气工业株式会社 | Alkali metal ion capacitor |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100530464C (en) * | 2006-08-16 | 2009-08-19 | 锦州凯美能源有限公司 | Method for making electrode of ultra-capacitor |
| CN101174509B (en) * | 2007-10-25 | 2010-04-07 | 宁波富达电器有限公司 | Surface treating method of collecting electrode used in super capacitor |
| CN101299398B (en) * | 2008-05-29 | 2010-06-02 | 锦州凯美能源有限公司 | Method for preparing super capacitor |
| CN101562078B (en) * | 2009-05-15 | 2012-08-22 | 深圳清华大学研究院 | Super-capacitor and preparation method thereof |
-
2009
- 2009-11-27 CN CN2009102202454A patent/CN101710538B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102543480A (en) * | 2011-12-29 | 2012-07-04 | 锦州凯美能源有限公司 | Preparation method of super capacitor |
| CN102543481A (en) * | 2011-12-29 | 2012-07-04 | 锦州凯美能源有限公司 | Manufacture method of super capacitor |
| CN102568861A (en) * | 2011-12-29 | 2012-07-11 | 锦州凯美能源有限公司 | Method for making super-capacitor |
| CN102543481B (en) * | 2011-12-29 | 2014-04-09 | 锦州凯美能源有限公司 | Manufacture method of super capacitor |
| CN105849839A (en) * | 2013-12-26 | 2016-08-10 | 住友电气工业株式会社 | Alkali metal ion capacitor |
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| Publication number | Publication date |
|---|---|
| CN101710538B (en) | 2011-03-30 |
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