CN106783223A - A kind of convoluted all-solid-state supercapacitor and preparation method - Google Patents
A kind of convoluted all-solid-state supercapacitor and preparation method Download PDFInfo
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- CN106783223A CN106783223A CN201611258977.9A CN201611258977A CN106783223A CN 106783223 A CN106783223 A CN 106783223A CN 201611258977 A CN201611258977 A CN 201611258977A CN 106783223 A CN106783223 A CN 106783223A
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- paper tinsel
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-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
- H01G11/78—Cases; Housings; Encapsulations; Mountings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-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
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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 present invention relates to a kind of convoluted all-solid-state supercapacitor and preparation method thereof.Convoluted all-solid-state supercapacitor includes underlying metal paper tinsel, underlying metal paper tinsel coating, top-level metallic paper tinsel, top-level metallic paper tinsel coating, winding hub, housing, conductive silver paste coating, electrode outlet line and adhesive tape, underlying metal paper tinsel, underlying metal paper tinsel coating, top-level metallic paper tinsel, top-level metallic paper tinsel coating, winding hub and adhesive tape composition winding super capacitor core.A kind of preparation method of convoluted all-solid-state supercapacitor, including：1 prepares dielectric/electrolyte composite granule；2 prepare composite granule/organic bond slurry；3 prepare top-level metallic paper tinsel coating；4 prepare underlying metal paper tinsel coating；5 are alignd with underlying metal paper tinsel coating and top-level metallic paper tinsel coated center, stay side heteropleural, and wrapping fixation with adhesive tape after being wound on winding hub is made winding super capacitor core；6 will wind completion after super capacitor core is put into housing encapsulation, drying prepares.
Description
Technical field
The present invention relates to a kind of ultracapacitor and preparation method thereof, and in particular to a kind of convoluted all solid state super capacitor
Device and preparation method.
Background technology
Environmental pollution and the petrochemical industry class energy will be exhausted, force people to develop novel electric vehicle and effectively solve traditional vehicle use
Energy scarcity and the problems such as containing carbon emission.Ready-made ripe pure electric vehicle is main based on lithium ion battery, due to its discharge and recharge speed
Degree slow (hour magnitude), power density are small, constrain it comparable with conventional fuel oil car in performance.Traditional ultracapacitor
It is better than automobile-used lithium ion battery on power density, charge-discharge velocity and charge and discharge cycles number of times, but its energy density is far below
Lithium ion battery, makes it so far, it is difficult to individually turn into Vehicular dynamic battery.
Ultracapacitor main part is made up of electrode, electrolyte, barrier film etc., and electrolyte has liquid and the class of solid-state two, makes
Ultracapacitor is divided into liquid ultracapacitor and solid-state super capacitor.Ultracapacitor product master ripe in the market
It to be carbons electric double layer liquid electrolyte ultracapacitor.Liquid ultracapacitor is due to the good ionic conduction of liquid electrolyte
Property and device can windability be the main choosing of ultracapacitor on existing market, but there is operating voltage low (aqua be that 1V is left in it simultaneously
It is right), easily leakage, performance difference greatly and is difficult to make extensive component between strong corrosivity, the difficult control of craft precision, individuality, these
Have a strong impact on its performance, life-span and security.Solid-state super capacitor due to its solid electrolyte operating voltage it is high (>1V), no
Need to consider the safety problems such as corrosivity and leaks, and long lifespan, craft precision it is easily-controllable, it is individual between consistency of performance it is good, be by
Electrokinetic cell to make extensive component provides advantage, is one of current study hotspot.But current solid ionic conductance
Rate is relatively low compared to liquid ion, such as Li4Ti5O12Electrical conductivity be less than 10-9Scm-1So that the series equivalent resistance of solid-state material is inclined
Height, constrains the development of solid-state super capacitor；Particularly the rigidity of solid electrolyte can not wind, and limit solid-state super electricity
The development of container monomer Large Copacity.
The content of the invention
The present invention makes improvements for the problem that above-mentioned prior art is present, i.e., first purpose of the invention is disclosure
A kind of convoluted all-solid-state supercapacitor, second object of the present invention is a kind of open convoluted all solid state super capacitor
The preparation method of device.
Technical scheme：A kind of convoluted all-solid-state supercapacitor, including underlying metal paper tinsel, underlying metal paper tinsel coating, top
Layer metal foil, top-level metallic paper tinsel coating, winding hub, housing, conductive silver paste coating, electrode outlet line and adhesive tape；
Winding super capacitor core is wrapped up in after winding the winding hub by the underlying metal paper tinsel, the top-level metallic paper tinsel
Cover adhesive tape to form, the underlying metal paper tinsel is located at the outside of the top-level metallic paper tinsel, the underlying metal paper tinsel coating is located at institute
The upper surface of underlying metal paper tinsel is stated, the top-level metallic paper tinsel coating is located at the upper surface of the top-level metallic paper tinsel；
Rectangle blind hole is provided with the top of the housing, winding super capacitor core is arranged in the rectangle blind hole, with
Two inner sides for winding the corresponding rectangle blind hole in two ends of super capacitor core are provided with conductive silver paste coating, with the two inner sides phase
The upper surface of housing even also is provided with conductive silver paste coating, and the conductive silver paste coating external electrode of the upper surface of the housing is drawn
Line, the upside of the winding super capacitor core is encapsulated using encapsulating material.
Further, the length of the winding hub and the width of rectangle blind hole are interference fit, the width of winding hub
It is slightly wider than conductive silver paste coating.
Further, housing is plastic casing or ceramic shell.
Further, the underlying metal paper tinsel coating is formed by composite granule and organic bond grinding, and composite granule is
The BaTiO of any mol ratio3Powder and β "-Al2O3The mixture of powder, organic bond is PVB, and organic bond accounts for compound
The 20%-30% of powder and organic bond gross weight.
Further, the top-level metallic paper tinsel coating is formed by composite granule and organic bond grinding, and composite granule is
The BaTiO of any mol ratio3Powder and β "-Al2O3The mixture of powder, organic bond is PVB, and organic bond accounts for compound
The 20%-30% of powder and organic bond gross weight.
Further, the BaTiO3The particle diameter of powder is 30nm-50nm, β "-Al2O3The particle diameter of powder is 30nm-
50nm。
Further, the underlying metal paper tinsel coating side is provided with and stays side, and the opposite side of the top-level metallic paper tinsel coating sets
Stay side.
Further, conductive silver paste coating is welded with one end of electrode outlet line.
Further, encapsulating material is epoxy resin.
A kind of preparation method of convoluted all-solid-state supercapacitor, comprises the following steps：
(1), by BaTiO3Powder and β "-Al2O3Powder is ground to not a half hour by after any mixed in molar ratio, crosses 200
Dielectric/electrolyte composite granule is obtained after mesh sieve；
(2), the composite granule obtained to step (1) adds organic bond, then adds appropriate absolute ethyl alcohol and grinds
Not a half hour is milled to as uniform sizing material, wherein, organic bond accounts for the 20%- of composite granule and organic bond gross weight
30%；
(3), the slurry that step (2) is obtained is coated uniformly on the upper surface of top-level metallic paper tinsel, top layer gold by coating machine
Side is left in the side for belonging to paper tinsel, and dries slurry to form top-level metallic paper tinsel coating by baking oven；
(4), the slurry that step (2) is obtained is coated uniformly on the upper surface of underlying metal paper tinsel, bottom gold by coating machine
Side is left in the side for belonging to paper tinsel, and dries slurry to form underlying metal paper tinsel coating by baking oven；
(5), top-level metallic paper tinsel be positioned over the top of underlying metal paper tinsel, top-level metallic paper tinsel coating stays side and underlying metal
Paper tinsel coating stays side heteropleural, the center of top-level metallic paper tinsel coating and the center alignment of underlying metal paper tinsel coating, on winding hub
Removed after winding some number of turns, outer ring is wrapped fixation with adhesive tape, be made winding super capacitor core；
(6), will first wind super capacitor core two ends stays the metal foil on side to be compacted with torsion, then will wind super capacitor
Device fuse is put into rectangle blind hole, and the metal foil and blind hole inside both sides conductive silver paste on side are stayed in winding super capacitor core two ends
Coating is fully contacted, and is then injected into epoxy encapsulation winding super capacitor core, is then placed into drying in oven, obtains final product
To convoluted all-solid-state supercapacitor.
Compared with prior art, a kind of convoluted all-solid-state supercapacitor disclosed by the invention and preparation method have with
Lower beneficial effect：
1st, traditional capacitor (dielectric) and ultracapacitor (electrolyte) are combined with each other, its unit for electrical property parameters
(specific capacitance, specific energy, specific power) than is accordingly individually carried with material capacitor (dielectric) or ultracapacitor (electrolyte)
Several times high；
2nd, by the addition of organic bond, the shortcoming for overcoming the super rigidity of conventional solid-state to wind realizes that solid-state surpasses
Level capacitor can it is windability and improve solid ionic mobility, and then obtain monomer Large Copacity ultracapacitor；
3rd, operating voltage reaches 2.5V, much larger than the maximum 1V of traditional aqua liquid ultracapacitor；
4th, convoluted all-solid-state supercapacitor overcomes liquid ultracapacitor short life, easy leakage, perishable etc. no
Safety factor, with reliability higher and life-span.
Brief description of the drawings
Fig. 1 is the making schematic diagram for winding super capacitor core；
Fig. 2 is a kind of structural representation of convoluted all-solid-state supercapacitor disclosed by the invention；
Fig. 3 is sample A, sample B, the change schematic diagram of sample AB Cyclic voltamograms at room temperature；
Fig. 4 is the change schematic diagram of sample A, sample B, sample AB constant current charge-discharge characteristic at room temperature；
Fig. 5 is sample A, sample B, sample AB specific capacitances C0, specific energy E 0, specific power P0 performance comparison schematic diagrames；
Fig. 6 is sample A, sample B, sample AB energy densities and saturation effect figure.
Wherein：
1- underlying metal paper tinsel 2- underlying metal paper tinsel coatings
3- top-level metallic paper tinsel 4- top-level metallic paper tinsel coatings
5- winding hub 6- housings
7- conductive silver paste coating 8- electrode outlet lines
9- adhesive tapes 10- winds super capacitor core
Specific embodiment：
Below in conjunction with the accompanying drawings, specific embodiment of the invention is described in detail.
Specific embodiment 1：
A kind of convoluted all-solid-state supercapacitor sample AB as shown in Figure 1 and Figure 2, including underlying metal paper tinsel 1, bottom
Metal foil coating 2, top-level metallic paper tinsel 3, top-level metallic paper tinsel coating 4, winding hub 5, housing 6, conductive silver paste coating 7, electrode draw
Outlet 8 and adhesive tape 9；
Winding super capacitor core 10 after underlying metal paper tinsel 1, the wound web shaft core 5 of top-level metallic paper tinsel 3 by wrapping adhesive tape
Paper 9 is formed, and underlying metal paper tinsel 1 is located at the outside of top-level metallic paper tinsel 3, and underlying metal paper tinsel coating 2 is located at the upper table of underlying metal paper tinsel 1
Face, top-level metallic paper tinsel coating 4 is located at the upper surface of top-level metallic paper tinsel 3；
The top of housing 6 is provided with rectangle blind hole, and winding super capacitor core 10 is arranged in rectangle blind hole, super with winding
Two inner sides of the corresponding rectangle blind hole in two ends of level capacitor body 10 are provided with conductive silver paste coating 7, are connected with two inner side
The upper surface of housing 6 also be provided with conductive silver paste coating 7, the external electrode lead-out wire of conductive silver paste coating 7 of the upper surface of housing 6
8, the upside for winding super capacitor core 10 is encapsulated using encapsulating material.
Further, the length of winding hub 5 and the width of rectangle blind hole are interference fit, and the width of winding hub 5 is omited
It is wider than conductive silver paste coating 7.
Further, housing 6 is ceramic shell.
Further, underlying metal paper tinsel coating 2 is formed by composite granule and organic bond grinding, and composite granule is any
The BaTiO of mol ratio3Powder and β "-Al2O3The mixture of powder, organic bond is PVB, and organic bond accounts for composite granule
With the 20% of organic bond gross weight.
Further, top-level metallic paper tinsel coating 4 is formed by composite granule and organic bond grinding, and composite granule is any
The BaTiO of mol ratio3Powder and β "-Al2O3The mixture of powder, organic bond is PVB, and organic bond accounts for composite granule
With the 20% of organic bond gross weight.
Further, BaTiO3The particle diameter of powder is 30nm, β "-Al2O3The particle diameter of powder is 30nm.
Further, the side of underlying metal paper tinsel coating 2 is provided with and stays side, and the opposite side of top-level metallic paper tinsel coating 4 is provided with and stays side.
Further, conductive silver paste coating 7 is welded with one end of electrode outlet line 8.
Further, encapsulating material is epoxy resin.
A kind of preparation method of convoluted all-solid-state supercapacitor, comprises the following steps：
(1), by BaTiO3Powder and β "-Al2O3Powder is ground to not a half hour by after any mixed in molar ratio, crosses 200
Dielectric/electrolyte composite granule is obtained after mesh sieve；BaTiO3Powder and β "-Al2O3The particle diameter of powder is 30nm；
(2), the composite granule obtained to step (1) adds organic bond, then adds appropriate absolute ethyl alcohol and grinds
Not a half hour is milled to as uniform sizing material, wherein, organic bond accounts for the 20% of composite granule and organic bond gross weight；
(3), the slurry that step (2) is obtained is coated uniformly on the upper surface of top-level metallic paper tinsel, top layer gold by coating machine
Side is left in the side for belonging to paper tinsel, and dries slurry to form top-level metallic paper tinsel by the treatment of drying 5-10 minutes of 50-70 DEG C of baking oven
Coating；
(4), the slurry that step (2) is obtained is coated uniformly on the upper surface of underlying metal paper tinsel, bottom gold by coating machine
Side is left in the side for belonging to paper tinsel, and dries slurry to form underlying metal paper tinsel by the treatment of drying 5-10 minutes of 50-70 DEG C of baking oven
Coating；
(5), as shown in figure 1, top-level metallic paper tinsel to be positioned over the top of underlying metal paper tinsel, top-level metallic paper tinsel coating stays side
Side heteropleural is stayed with underlying metal paper tinsel coating, the center of top-level metallic paper tinsel coating and the center alignment of underlying metal paper tinsel coating,
Removed after some number of turns are wound on winding hub, outer ring is wrapped fixation with adhesive tape, be made winding super capacitor core；
(6), the metal foil on side is stayed to be compacted with torsion as shown in Fig. 2 will first wind super capacitor core two ends, then will volume
It is put into rectangle blind hole around super capacitor core, metal foil and the blind hole inside two on side are stayed in winding super capacitor core two ends
Side conductive silver paste coating is fully contacted, and encapsulating material epoxy encapsulation winding super capacitor core is then injected into, by drying
Drying 8-10 minutes of 50-70 DEG C of case is processed, and is completed sample AB and is prepared.
Sample A and sample B are prepared using the method same with Sample A B, difference is only：
β "-Al are comprised only between the hearth electrode and top electrode of Sample A2O3, the β "-Al2O3In the quality and Sample A B of powder
BaTiO3Powder and β "-Al2O3Powder quality is equal；
BaTiO is comprised only between the hearth electrode and top electrode of sample B3, the BaTiO3In the quality and Sample A B of powder
BaTiO3Powder and β "-Al2O3Powder quality is equal.
Performance test is carried out to sheet sample A, B and AB respectively at room temperature, test result is as follows：
As shown in figure 3, Cyclic voltamogram shows, due to multiple mechanism effect, the squaring degree of sample AB, female surface
Product, window voltage are superior to the sample A and sample B of the independent mechanism of same condition；
As shown in figure 4, constant current charge-discharge characteristic shows, due to multiple mechanism effect, sample AB storage energy is more than same bar
The sample A and sample B of the independent mechanism of part；
As shown in figure 5, due to multiple mechanism effect, sample AB, specific capacitance C0, specific energy E 0, specific power P0 be all higher than
The value of sample A and sample B；
As shown in fig. 6, sample A, the energy density of sample B and sample AB and saturation effect chart are bright, due to compound
Machining function, sample AB storage energy is close more than power greatly improved with the sample A and Sample B Sample AB of the independent mechanism of condition
Degree.
Specific embodiment 2：
A kind of convoluted all-solid-state supercapacitor as shown in Figure 1 and Figure 2, including underlying metal paper tinsel 1, underlying metal paper tinsel
Coating 2, top-level metallic paper tinsel 3, top-level metallic paper tinsel coating 4, winding hub 5, housing 6, conductive silver paste coating 7, the and of electrode outlet line 8
Adhesive tape 9；
Winding super capacitor core 10 after underlying metal paper tinsel 1, the wound web shaft core 5 of top-level metallic paper tinsel 3 by wrapping adhesive tape
Paper 9 is formed, and underlying metal paper tinsel 1 is located at the outside of top-level metallic paper tinsel 3, and underlying metal paper tinsel coating 2 is located at the upper table of underlying metal paper tinsel 1
Face, top-level metallic paper tinsel coating 4 is located at the upper surface of top-level metallic paper tinsel 3；
The top of housing 6 is provided with rectangle blind hole, and winding super capacitor core 10 is arranged in rectangle blind hole, super with winding
Two inner sides of the corresponding rectangle blind hole in two ends of level capacitor body 10 are provided with conductive silver paste coating 7, are connected with two inner side
The upper surface of housing 6 also be provided with conductive silver paste coating 7, the external electrode lead-out wire of conductive silver paste coating 7 of the upper surface of housing 6
8, the upside for winding super capacitor core 10 is encapsulated using encapsulating material.
Further, the length of winding hub 5 and the width of rectangle blind hole are interference fit, and the width of winding hub 5 is omited
It is wider than conductive silver paste coating 7.
Further, housing 6 is plastic casing.
Further, underlying metal paper tinsel coating 2 is formed by composite granule and organic bond grinding, and composite granule is any
The BaTiO of mol ratio3Powder and β "-Al2O3The mixture of powder, organic bond is PVB, and organic bond accounts for composite granule
With the 30% of organic bond gross weight.
Further, top-level metallic paper tinsel coating 4 is formed by composite granule and organic bond grinding, and composite granule is any
The BaTiO of mol ratio3Powder and β "-Al2O3The mixture of powder, organic bond is PVB, and organic bond accounts for composite granule
With the 30% of organic bond gross weight.
Further, BaTiO3The particle diameter of powder is 50nm, β "-Al2O3The particle diameter of powder is 50nm.
Further, the side of underlying metal paper tinsel coating 2 is provided with and stays side, and the opposite side of top-level metallic paper tinsel coating 4 is provided with and stays side.
Further, conductive silver paste coating 7 is welded with one end of electrode outlet line 8.
Further, encapsulating material is epoxy resin.
A kind of preparation method of convoluted all-solid-state supercapacitor, comprises the following steps：
(1), by BaTiO3Powder and β "-Al2O3Powder is ground to not a half hour by after any mixed in molar ratio, crosses 200
Dielectric/electrolyte composite granule is obtained after mesh sieve；BaTiO3Powder and β "-Al2O3The particle diameter of powder is 50nm；
(2), the composite granule obtained to step (1) adds organic bond, then adds appropriate absolute ethyl alcohol and grinds
Not a half hour is milled to as uniform sizing material, wherein, organic bond accounts for the 30% of composite granule and organic bond gross weight；
(3), the slurry that step (2) is obtained is coated uniformly on the upper surface of top-level metallic paper tinsel, top layer gold by coating machine
Side is left in the side for belonging to paper tinsel, and dries slurry to form top-level metallic paper tinsel by the treatment of drying 5-10 minutes of 50-70 DEG C of baking oven
Coating；
(4), the slurry that step (2) is obtained is coated uniformly on the upper surface of underlying metal paper tinsel, bottom gold by coating machine
Side is left in the side for belonging to paper tinsel, and dries slurry to form underlying metal paper tinsel by the treatment of drying 5-10 minutes of 50-70 DEG C of baking oven
Coating；
(5), as shown in figure 1, top-level metallic paper tinsel to be positioned over the top of underlying metal paper tinsel, top-level metallic paper tinsel coating stays side
Side heteropleural is stayed with underlying metal paper tinsel coating, the center of top-level metallic paper tinsel coating and the center alignment of underlying metal paper tinsel coating,
Removed after some number of turns are wound on winding hub, outer ring is wrapped fixation with adhesive tape, be made winding super capacitor core；
(6), the metal foil on side is stayed to be compacted with torsion as shown in Fig. 2 will first wind super capacitor core two ends, then will volume
It is put into rectangle blind hole around super capacitor core, metal foil and the blind hole inside two on side are stayed in winding super capacitor core two ends
Side conductive silver paste coating is fully contacted, and encapsulating material epoxy encapsulation winding super capacitor core is then injected into, by drying
Drying 8-10 minutes of 50-70 DEG C of case is processed, and completes to prepare.
Specific embodiment 3：
A kind of convoluted all-solid-state supercapacitor as shown in Figure 1 and Figure 2, including underlying metal paper tinsel 1, underlying metal paper tinsel
Coating 2, top-level metallic paper tinsel 3, top-level metallic paper tinsel coating 4, winding hub 5, housing 6, conductive silver paste coating 7, the and of electrode outlet line 8
Adhesive tape 9；
Winding super capacitor core 10 after underlying metal paper tinsel 1, the wound web shaft core 5 of top-level metallic paper tinsel 3 by wrapping adhesive tape
Paper 9 is formed, and underlying metal paper tinsel 1 is located at the outside of top-level metallic paper tinsel 3, and underlying metal paper tinsel coating 2 is located at the upper table of underlying metal paper tinsel 1
Face, top-level metallic paper tinsel coating 4 is located at the upper surface of top-level metallic paper tinsel 3；
The top of housing 6 is provided with rectangle blind hole, and winding super capacitor core 10 is arranged in rectangle blind hole, super with winding
Two inner sides of the corresponding rectangle blind hole in two ends of level capacitor body 10 are provided with conductive silver paste coating 7, are connected with two inner side
The upper surface of housing 6 also be provided with conductive silver paste coating 7, the external electrode lead-out wire of conductive silver paste coating 7 of the upper surface of housing 6
8, the upside for winding super capacitor core 10 is encapsulated using encapsulating material.
Further, the length of winding hub 5 and the width of rectangle blind hole are interference fit, and the width of winding hub 5 is omited
It is wider than conductive silver paste coating 7.
Further, housing 6 is ceramic shell.
Further, underlying metal paper tinsel coating 2 is formed by composite granule and organic bond grinding, and composite granule is any
The BaTiO of mol ratio3Powder and β "-Al2O3The mixture of powder, organic bond is PVB, and organic bond accounts for composite granule
With the 25% of organic bond gross weight.
Further, top-level metallic paper tinsel coating 4 is formed by composite granule and organic bond grinding, and composite granule is any
The BaTiO of mol ratio3Powder and β "-Al2O3The mixture of powder, organic bond is PVB, and organic bond accounts for composite granule
With the 25% of organic bond gross weight.
Further, BaTiO3The particle diameter of powder is 40nm, β "-Al2O3The particle diameter of powder is 40nm.
Further, the side of underlying metal paper tinsel coating 2 is provided with and stays side, and the opposite side of top-level metallic paper tinsel coating 4 is provided with and stays side.
Further, conductive silver paste coating 7 is welded with one end of electrode outlet line 8.
Further, encapsulating material is epoxy resin.
A kind of preparation method of convoluted all-solid-state supercapacitor, comprises the following steps：
(1), by BaTiO3Powder and β "-Al2O3Powder is ground to not a half hour by after any mixed in molar ratio, crosses 200
Dielectric/electrolyte composite granule is obtained after mesh sieve；BaTiO3Powder and β "-Al2O3The particle diameter of powder is 40nm；
(2), the composite granule obtained to step (1) adds organic bond, then adds appropriate absolute ethyl alcohol and grinds
Not a half hour is milled to as uniform sizing material, wherein, organic bond accounts for the 25% of composite granule and organic bond gross weight；
(3), the slurry that step (2) is obtained is coated uniformly on the upper surface of top-level metallic paper tinsel, top layer gold by coating machine
Side is left in the side for belonging to paper tinsel, and dries slurry to form top-level metallic paper tinsel by the treatment of drying 5-10 minutes of 50-70 DEG C of baking oven
Coating；
(4), the slurry that step (2) is obtained is coated uniformly on the upper surface of underlying metal paper tinsel, bottom gold by coating machine
Side is left in the side for belonging to paper tinsel, and dries slurry to form underlying metal paper tinsel by the treatment of drying 5-10 minutes of 50-70 DEG C of baking oven
Coating；
(5), as shown in figure 1, top-level metallic paper tinsel to be positioned over the top of underlying metal paper tinsel, top-level metallic paper tinsel coating stays side
Side heteropleural is stayed with underlying metal paper tinsel coating, the center of top-level metallic paper tinsel coating and the center alignment of underlying metal paper tinsel coating,
Removed after some number of turns are wound on winding hub, outer ring is wrapped fixation with adhesive tape, be made winding super capacitor core；
(6), the metal foil on side is stayed to be compacted with torsion as shown in Fig. 2 will first wind super capacitor core two ends, then will volume
It is put into rectangle blind hole around super capacitor core, metal foil and the blind hole inside two on side are stayed in winding super capacitor core two ends
Side conductive silver paste coating is fully contacted, and encapsulating material epoxy encapsulation winding super capacitor core is then injected into, by drying
Drying 8-10 minutes of 50-70 DEG C of case is processed, and completes to prepare.
The foregoing is only better embodiment of the invention to elaborate, be not intended to limit the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements made etc. should be included in protection of the invention
Within the scope of.
Claims (10)
1. a kind of convoluted all-solid-state supercapacitor, it is characterised in that including underlying metal paper tinsel, underlying metal paper tinsel coating, top
Layer metal foil, top-level metallic paper tinsel coating, winding hub, housing, conductive silver paste coating, electrode outlet line and adhesive tape；
Winding super capacitor core wraps glue after winding the winding hub by the underlying metal paper tinsel, the top-level metallic paper tinsel
Band paper is formed, and the underlying metal paper tinsel is located at the outside of the top-level metallic paper tinsel, and the underlying metal paper tinsel coating is located at the bottom
The upper surface of layer metal foil, the top-level metallic paper tinsel coating is located at the upper surface of the top-level metallic paper tinsel；
Rectangle blind hole is provided with the top of the housing, winding super capacitor core is arranged in the rectangle blind hole, with winding
Two inner sides of the corresponding rectangle blind hole in the two ends of super capacitor core are provided with conductive silver paste coating, are connected with two inner side
The upper surface of housing also is provided with conductive silver paste coating, the conductive silver paste coating external electrode lead-out wire of the upper surface of the housing,
The upside of the winding super capacitor core is encapsulated using encapsulating material.
2. a kind of convoluted all-solid-state supercapacitor according to claim 1, it is characterised in that the winding hub
Length is interference fit with the width of rectangle blind hole, and the width of winding hub is slightly wider than conductive silver paste coating.
3. a kind of convoluted all-solid-state supercapacitor according to claim 1, it is characterised in that housing is plastic casing
Or ceramic shell.
4. a kind of convoluted all-solid-state supercapacitor according to claim 1, it is characterised in that the underlying metal paper tinsel
Coating is formed by composite granule and organic bond grinding, and composite granule is the BaTiO of any mol ratio3Powder and β "-Al2O3
The mixture of powder, organic bond is PVB, and organic bond accounts for the 20%- of composite granule and organic bond gross weight
30%.
5. a kind of convoluted all-solid-state supercapacitor according to claim 1, it is characterised in that the top-level metallic paper tinsel
Coating is formed by composite granule and organic bond grinding, and composite granule is the BaTiO of any mol ratio3Powder and β "-Al2O3
The mixture of powder, organic bond is PVB, and organic bond accounts for the 20%- of composite granule and organic bond gross weight
30%.
6. a kind of convoluted all-solid-state supercapacitor according to claim 4 or 5, it is characterised in that the BaTiO3Powder
The particle diameter of body is 30nm-50nm, β "-Al2O3The particle diameter of powder is 30nm-50nm.
7. a kind of convoluted all-solid-state supercapacitor according to claim 1, it is characterised in that the underlying metal paper tinsel
Coating side is provided with stays side, and the opposite side of the top-level metallic paper tinsel coating is provided with and stays side.
8. a kind of convoluted all-solid-state supercapacitor according to claim 1, it is characterised in that conductive silver paste coating with
One end welding of electrode outlet line.
9. a kind of convoluted all-solid-state supercapacitor according to claim 1, it is characterised in that encapsulating material is epoxy
Resin.
It is 10. a kind of to prepare a kind of method of convoluted all-solid-state supercapacitor as claimed in claim 1, it is characterised in that
Comprise the following steps：
(1), by BaTiO3Powder and β "-Al2O3Powder is ground to not a half hour by after any mixed in molar ratio, crosses 200 mesh sieves
After obtain dielectric/electrolyte composite granule；
(2), the composite granule obtained to step (1) adds organic bond, then adds appropriate absolute ethyl alcohol and is ground to
Not a half hour turns into uniform sizing material, wherein, organic bond accounts for the 20%-30% of composite granule and organic bond gross weight；
(3), the slurry that step (2) is obtained is coated uniformly on the upper surface of top-level metallic paper tinsel, top-level metallic paper tinsel by coating machine
Side leave side, and slurry is dried to form top-level metallic paper tinsel coating by baking oven；
(4), the slurry that step (2) is obtained is coated uniformly on the upper surface of underlying metal paper tinsel, underlying metal paper tinsel by coating machine
Side leave side, and slurry is dried to form underlying metal paper tinsel coating by baking oven；
(5), top-level metallic paper tinsel is positioned over the top of underlying metal paper tinsel, stay side and the underlying metal paper tinsel of top-level metallic paper tinsel coating are applied
Layer stays side heteropleural, the center of top-level metallic paper tinsel coating and the center alignment of underlying metal paper tinsel coating, winds on winding hub
Removed after some number of turns, outer ring is wrapped fixation with adhesive tape, be made winding super capacitor core；
(6), will first wind super capacitor core two ends stays the metal foil on side to be compacted with torsion, then will wind ultracapacitor core
Son is put into rectangle blind hole, and the metal foil and blind hole inside both sides conductive silver paste coating on side are stayed in winding super capacitor core two ends
It is fully contacted, is then injected into epoxy encapsulation winding super capacitor core, be then placed into drying in oven, that is, is rolled up
Geometric pattern all-solid-state supercapacitor.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107680823A (en) * | 2017-10-25 | 2018-02-09 | 浙江九康电气有限公司 | A kind of preparation method of electrode material suitable for ultracapacitor |
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