CN109192547A - A kind of super capacitor winding machine and its winding method - Google Patents
A kind of super capacitor winding machine and its winding method Download PDFInfo
- Publication number
- CN109192547A CN109192547A CN201810751844.8A CN201810751844A CN109192547A CN 109192547 A CN109192547 A CN 109192547A CN 201810751844 A CN201810751844 A CN 201810751844A CN 109192547 A CN109192547 A CN 109192547A
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- China
- Prior art keywords
- pole piece
- winding
- nailing machine
- feeding mechanism
- barrier paper
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
- H01G13/02—Machines for winding capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
Abstract
The invention discloses a kind of super capacitor winding machine and its winding method, up- coiler includes the first pole piece feeding mechanism, the second pole piece feeding mechanism, the first barrier paper feeding mechanism, the second barrier paper feeding mechanism；And winding mechanism, the winding mechanism are located at the paper delivery end intersection of each feeding mechanism；The first nailing machine is additionally provided among first pole piece feeding mechanism and winding mechanism, first nailing machine is located on the left of the winding mechanism；The second nailing machine is additionally provided among second pole piece feeding mechanism and winding mechanism, second nailing machine is located on the right side of the winding mechanism；First nailing machine and the second nailing machine are positive riveter, and up- coiler is rotated in the counterclockwise direction and winds.The core that super capacitor winding machine through the invention rolls, tab are located on the inside of corresponding pole piece in core, are distributed to compression caused by tab edge mainly on pole piece, avoid the destruction to barrier paper and cause the bad of capacitor.
Description
Technical field
The present invention relates to a kind of capacitor production equipment technology, in particular to a kind of super capacitor winding machine and its
Winding method.
Background technique
Up- coiler can be applied to supercapacitor, aluminium electrolutic capacitor, solid-state electricity for nail joint electrode slice and winding battery core
The fields such as container, battery.
Capacitor is essential base components in electronic equipment and power equipment.Supercapacitor is between tradition
Extraordinary energy-storage travelling wave tube between electrostatic container and electrochemical power source；Supercapacitor has small in size, power density height, charge and discharge
Speed is fast, has extended cycle life, the advantage that discharge power is high, operating temperature range is wide, therefore in mobile communication, the energy, information skill
The multiple fields such as art, electric car have very extensive application prospect.
The existing supercapacitor of market at present, in core, tab is fixedly connected on electricity as electrode slice lead-out wire
The respective surfaces of pole piece, in the manufacture of existing core, since its width direction is not easy bending deformation to tab in use,
The sharp edge of tab will be directly born against on barrier paper.
For aluminium electrolytic capacitor product, barrier paper density used in it is larger, toughness is preferable, and tensile strength is high, and surpasses
Barrier paper used in grade capacitor is in order to obtain good absorbent, and density is relatively low, tenacity of fibre is poor, so that
The tensile strength and pop strength of paper are poor.And the core (dry battery core) of supercapacitor is needed by 160 ~ 180 DEG C of vacuum
High-temperature baking is thoroughly to remove moisture content in micropore, so that barrier paper becomes more crisp under high temperature action, damage resistibility is worse.Therefore exist
At the link position of tab and pole piece, barrier paper because of relatively huge pressing stress by tab marginal position, winding process and after
In continuous use process, the marginal position of tab may make barrier paper thinning, cause product micro-short circuit that leakage current is made to increase, put certainly
Electricity variation etc., product micro-short circuit can make the leakage current of product increase by 3 times or more than normal value.Normal full electric product open circuit places 5
Its voltage retention has the product of micro-short circuit to place one day 80% or more, and voltage will drop to 80% or less.Even it will cause
Barrier paper breaks paper or is easy breakdown and causes the fatal bad of product short circuit.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of super capacitor winding machine, including pole piece feeding mechanism and
Barrier paper feeding mechanism, the pole piece feeding mechanism include the first pole piece feeding mechanism, the second pole piece feeding mechanism, the isolation
Paper feeding mechanism includes the first barrier paper feeding mechanism, the second barrier paper feeding mechanism；And winding mechanism, the winding mechanism
Positioned at the paper delivery end intersection of each feeding mechanism；The first nail is additionally provided among first pole piece feeding mechanism and winding mechanism
It picks, first nailing machine is located on the left of the winding mechanism；Among second pole piece feeding mechanism and winding mechanism also
It is provided with the second nailing machine, second nailing machine is located on the right side of the winding mechanism；Have at the nailing machine and send tab machine
Structure, described to send lug mechanism that tab is made to be located at pole piece top, tab is fixedly connected on pole piece by the nailing machine；Described first
Nailing machine and the second nailing machine are positive riveter, and the up- coiler is rotated in the counterclockwise direction and winds.
The second steering gear is additionally provided between first nailing machine and winding mechanism, described second turns to transmission
Mechanism reversely sends winding mechanism to after coming out the second pole piece from the second nailing machine again.
The positive riveter is that pole piece enters nailing machine on the left of nailing machine, and the pole piece is after riveting tab from the nailing machine right side
Side comes out.
The pole piece feeding mechanism and the setting of barrier paper feeding mechanism interval, so that first pole piece and the second pole piece quilt
Barrier paper is spaced apart.
First pole piece feeding mechanism includes the first unreeling device for pole piece and the first pole piece transmission device；Second pole
Piece feeding mechanism includes the second unreeling device for pole piece and the second pole piece transmission device.
The up- coiler further includes tape sticking device.
The present invention also provides a kind of winding method of super capacitor winding machine as described above, comprising the following steps:
(1) prepare before winding:
First pole piece feeding mechanism and the second pole piece feeding mechanism are respectively by the first pole piece and the second pole piece to winding mechanism direction
It is transmitted；
First barrier paper feeding mechanism and the second barrier paper feeding mechanism are respectively by the first barrier paper and the second barrier paper to winding
Mechanism direction is transmitted；
Before first pole piece and the second pole piece are sent to winding mechanism, respectively through being located at winding mechanism on the left of the first nailing machine and
The second nailing machine on the right side of winding mechanism；First nailing machine is fixedly connected with the first tab on the first pole piece；Second nail joint
Machine is fixedly connected with the second tab on the second pole piece；
At first nailing machine, the first pole piece enters the first nailing machine from left side, and the first pole piece is after riveting the first tab
It is come out on the right side of from the first nailing machine；
At second nailing machine, the second pole piece enters the second nailing machine from left side, and the second pole piece is after riveting the second tab
It is come out on the right side of from the second nailing machine；
(2) pole piece coiling: at winding mechanism, pole piece is stacked with barrier paper interval；Winding mechanism revolves counterclockwise
Turn and rolls core.
Further, in the winding steps, the winding mechanism is by the first pole piece, the first barrier paper, the second pole piece,
Two barrier papers stack gradually winding.
Further, before the winding in preparation process, the second steering gear makes the second pole piece from the second nailing machine
Reversely send winding mechanism after out to again.
Compared with prior art, the invention has the following beneficial effects:
Using a kind of obtained supercapacitor core of super capacitor winding machine of the embodiment of the present invention, since tab is being rolled up
It is located on the inside of corresponding pole piece in core, is distributed to compression caused by tab edge mainly on pole piece, and reduces to barrier paper
It destroys.Can greatly improve in manufacture course of products due to barrier paper (electrolytic paper) is thinning become fragile caused by micro-short circuit even
Short circuit problem.It avoids because broken paper or breakdown and cause capacitor product and the fatal bad of short circuit occurs occurs for barrier paper.
Meanwhile the capacity of capacitor is guaranteed, and is also effectively controlled in production because of capacitor material caused by improved product
The promotion of cost and manufacturing cost.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of super capacitor winding machine described in the embodiment of the present invention one；
Fig. 2 is using the obtained core schematic diagram of a kind of super capacitor winding machine described in the embodiment of the present invention one；
Fig. 3 is using a kind of obtained another core schematic diagram of super capacitor winding machine described in the embodiment of the present invention one；
Fig. 4 is using the obtained core diagrammatic cross-section of a kind of super capacitor winding machine described in the embodiment of the present invention one.
Appended drawing reference:
100- supercapacitor core, the first barrier paper of 10-, the first pole piece of 11-, the second barrier paper of 12-, the second pole piece of 13-,
The first tab of 21-, the second tab of 22-, tab area on the first pole piece of 11a-, tab area, the super electricity of 200- on the second pole piece of 13a-
Capacitor winder, the first unreeling device for pole piece of 30-, the first nailing machine of 40-, the first barrier paper of 50- unwinding device, the second pole 60-
Piece unwinding device, the second nailing machine of 70-, the second barrier paper of 80- unwinding device, 90- winding mechanism.
Specific embodiment
With reference to the accompanying drawings and examples, a kind of super capacitor winding machine of the invention and its winding are made furtherly
It is bright.
Embodiment one:
As shown in Figure 1, being the embodiment of the present invention one, this specific embodiment provides a kind of super capacitor winding machine 200, including
Pole piece feeding mechanism and barrier paper feeding mechanism.Pole piece is electrode slice, herein referred to as pole piece.Pole piece feeding mechanism includes first
Pole piece feeding mechanism and the second pole piece feeding mechanism, barrier paper feeding mechanism include the first barrier paper feeding mechanism and the second isolation
Paper feeding mechanism；Up- coiler further includes winding mechanism 90, and winding mechanism 90 is located at the paper delivery end intersection of each feeding mechanism, is used for
First pole piece 11, the second pole piece 13, the first barrier paper 10, the second barrier paper 12 are wound and are made the volume of supercapacitor
Core 100(or electrode cores, hereinafter referred to as core).
First pole piece feeding mechanism includes the first unreeling device for pole piece 30 and the first pole piece transmission device；Second pole piece feeding
Mechanism includes the second unreeling device for pole piece 60 and the second pole piece transmission device；In the first unreeling device for pole piece 30 and winding mechanism 90
Centre is additionally provided with the first nailing machine 40, and the first nailing machine 40 is located at 90 left side of winding mechanism；Dress is unreeled in the second pole piece
It sets and is additionally provided with the second nailing machine 70 among 60 and winding mechanism 90, the second nailing machine 70 is located at 90 right side of winding mechanism.
The riveter as shown in Figure 1, the first nailing machine 40 is positive, the second nailing machine 70 are positive riveter.Winding mechanism 90 is along the inverse time
Needle direction rotates and winds.
Tab is fixedly connected on pole piece by nailing machine.Specifically, nailing machine have send pole piece device, send lug mechanism,
And riveting set, send lug mechanism that tab is made to be located at pole piece top, at nailing machine, tab is riveted on pole piece by riveting set
Upper surface.
Tab can be guide pin or lead chaff, and ear pole material can be the one of which of aluminium foil, copper foil or nickel foil.
Positive riveter is that pole piece enters nailing machine on the left of nailing machine, and pole piece comes out on the right side of nailing machine after riveting tab.
As shown in Figure 1, first pole piece 11 has riveted the first tab 21 on upper face at the first nailing machine 40, the
One tab 21 is located at the upper surface of the first pole piece 11.After first pole piece 11 comes out on the right side of the first nailing machine 40, into right side
Winding mechanism 90.After winding mechanism 90 is rotated in the counterclockwise direction and winds, the first tab 21 is located at the first pole in core 100
The inside of piece 11.
At the second nailing machine 70, the second pole piece 13 has riveted the second tab 22, the second tab 22 on upper face
In the upper surface of the second pole piece 13.It is come out on the right side of the second nailing machine 70.It is arranged between second nailing machine 70 and winding mechanism 90
It is reversed again after thering is the second steering gear, the second steering gear to come out the second pole piece 13 on the right side of the second nailing machine 70
It sends the winding mechanism 90 in left side to, and makes the second tab 22 in Fig. 1 positioned at the lower surface of the second pole piece 13.Winding mechanism 90
After being rotated in the counterclockwise direction and winding, the second tab 22 is located at the inside of the second pole piece 13.
Above-described transmission device can be live-roller or guide wheel.Second steering gear can be live-roller or
Person's guide wheel.Set live-roller is used only as direction explanation, non-exact arrangement quantity and position in Fig. 1.
Pole piece feeding mechanism and the setting of barrier paper feeding mechanism interval, so that 13 quilt of first pole piece 11 and the second pole piece
Barrier paper is spaced apart, and is wound into core together according to the sequence overlapping of pole piece, barrier paper, pole piece, barrier paper.
In order to which the core 100 rolled into super capacitor winding machine 200 is further shown, Fig. 2 is using this
A kind of 100 schematic diagram of supercapacitor core described in inventive embodiments one.As shown in Fig. 2, the first pole piece 11, the first barrier paper
10, the second pole piece 13, the second barrier paper 12 overlap in order, are wound into core 100.It is wide in use for tab
Degree direction is not easy bending deformation, and the first tab 21 is located at 11 inside of the first pole piece in core 100, therefore the first tab 21 is sharp
Edge will directly bear against on the first pole piece 11.Second tab 22 is located at the inside of the second pole piece 13, therefore the in core 100
The sharp edge of two tabs 22 will be directly born against on the second pole piece 13.
In the present embodiment, tab particularly guide pin.In other examples, as shown in figure 3,21 He of the first tab
Second tab 22 is to lead chaff.
Fig. 4 is to be illustrated using a kind of obtained core section of super capacitor winding machine described in the embodiment of the present invention one
Figure；As shown in figure 4, the first tab 21 and the second tab 22 are located at the inside of corresponding pole piece in core 100.First tab, 21 cutting edge of a knife or a sword
The edge of benefit is directly born against on the first pole piece 11.The sharp edge of second tab 22 is directly born against on the second pole piece 13.
The barrier paper poor relative to damage resistibility, pole piece are the aluminium foil, copper foil or nickel foil that surface is coated with active material
Any one, therefore the flexibility of pole piece is preferable, bigger compression can be born than brittleness barrier paper, and damage resistibility is more preferably.This
The super capacitor winding machine of specific embodiment one, so that core made from up- coiler, tab is located at corresponding pole piece in core
Inside is distributed to compression caused by tab edge mainly on pole piece, and reduces the destruction to barrier paper.Using the present embodiment
Technical solution can greatly improve in manufacture course of products due to barrier paper (electrolytic paper) is thinning become fragile caused by micro-short circuit
Even short circuit problem.Avoid because barrier paper occur broken paper or it is breakdown and cause capacitor product occur short circuit it is fatal not
It is good.Meanwhile the capacity of capacitor is guaranteed, and is also effectively controlled in production because of manufacturing cost caused by improved product
It is promoted.
Up- coiler further includes tape sticking device (not shown).After up- coiler winding core, tape sticking device adhesive tape is by core
It is fixed, obtain dry battery core.
Embodiment two:
The present invention also provides a kind of winding method of super capacitor winding machine as described above, comprising the following steps:
(1) prepare before winding:
First pole piece feeding mechanism and the second pole piece feeding mechanism are respectively by the first pole piece and the second pole piece to winding mechanism direction
It is transmitted；
First barrier paper feeding mechanism and the second barrier paper feeding mechanism are respectively by the first barrier paper and the second barrier paper to winding
Mechanism direction is transmitted；
Before first pole piece and the second pole piece are sent to winding mechanism, respectively through being located at winding mechanism on the left of the first nailing machine and
The second nailing machine on the right side of winding mechanism；First nailing machine is fixedly connected with the first tab on the first pole piece；Second nail joint
Machine is fixedly connected with the second tab on the second pole piece；
At first nailing machine, the first pole piece enters the first nailing machine from left side, and the first pole piece is after riveting the first tab
It is come out on the right side of from the first nailing machine；
At second nailing machine, the second pole piece enters the second nailing machine from left side, and the second pole piece is after riveting the second tab
It is come out on the right side of from the second nailing machine；
(2) pole piece coiling: at winding mechanism, pole piece is stacked with barrier paper interval；Winding mechanism revolves counterclockwise
Turn and rolls core.
In winding steps, the winding mechanism by the first pole piece, the first barrier paper, the second pole piece, the second barrier paper according to
Secondary stacking winding.
Before winding in preparation process, the second steering gear make the second pole piece from the second nailing machine come out after it is reversed again
Send winding mechanism to.
Compared with prior art, the invention has the following beneficial effects:
Using a kind of obtained supercapacitor core of super capacitor winding machine of the embodiment of the present invention, since tab is being rolled up
It is located on the inside of corresponding pole piece in core, is distributed to compression caused by tab edge mainly on pole piece, and reduces to barrier paper
It destroys.Can greatly improve in manufacture course of products due to barrier paper (electrolytic paper) is thinning become fragile caused by micro-short circuit even
Short circuit problem.It avoids because broken paper or breakdown and cause capacitor product and the fatal bad of short circuit occurs occurs for barrier paper.
It is with higher safety.Meanwhile the capacity of capacitor is guaranteed, and is also effectively controlled in production because of improved product
Caused by capacitor material cost and manufacturing cost promotion.
Finally, it should be noted that above embodiments be only to illustrate the technical solution of the embodiment of the present invention rather than to its into
Row limitation, although the embodiment of the present invention is described in detail referring to preferred embodiment, those skilled in the art
It should be understood that the technical solution of the embodiment of the present invention can be still modified or replaced equivalently, and these are modified or wait
The range of modified technical solution disengaging technical solution of the embodiment of the present invention cannot also be made with replacement.
Claims (9)
1. a kind of super capacitor winding machine, including pole piece feeding mechanism and barrier paper feeding mechanism, the pole piece feeding mechanism
Including the first pole piece feeding mechanism, the second pole piece feeding mechanism, the barrier paper feeding mechanism includes the first barrier paper feeder
Structure, the second barrier paper feeding mechanism；And
Winding mechanism, the winding mechanism are located at the paper delivery end intersection of each feeding mechanism；
It is characterized in that, the first nailing machine is additionally provided among first pole piece feeding mechanism and winding mechanism, described first
Nailing machine is located on the left of the winding mechanism；The second nail joint is additionally provided among second pole piece feeding mechanism and winding mechanism
Machine, second nailing machine are located on the right side of the winding mechanism；
Have at the nailing machine and send lug mechanism, described to send lug mechanism that tab is made to be located at pole piece top, the nailing machine will
Tab is fixedly connected on pole piece；
First nailing machine and the second nailing machine are positive riveter, and the up- coiler is rotated in the counterclockwise direction and winds.
2. up- coiler as described in claim 1, which is characterized in that be additionally provided between second nailing machine and winding mechanism
Second steering gear, second steering gear are reversely sent to again after coming out the second pole piece from the second nailing machine
Winding mechanism.
3. up- coiler as described in claim 1, which is characterized in that the positive riveter is that pole piece enters nail joint on the left of nailing machine
Machine, the pole piece come out on the right side of nailing machine after riveting tab.
4. up- coiler as described in claim 1, which is characterized in that the pole piece feeding mechanism and barrier paper feeding mechanism interval
Setting, so that first pole piece and the second pole piece are isolated paper and are spaced apart.
5. up- coiler as described in claim 1, which is characterized in that first pole piece feeding mechanism includes that the first pole piece unreels
Device and the first pole piece transmission device；Second pole piece feeding mechanism includes that the second unreeling device for pole piece and the second pole piece are driven
Device.
6. up- coiler as described in claim 1, which is characterized in that the up- coiler further includes tape sticking device.
7. a kind of winding method of such as described in any item super capacitor winding machines of claim 1 ~ 6, comprising the following steps:
(1) prepare before winding:
First pole piece feeding mechanism and the second pole piece feeding mechanism are respectively by the first pole piece and the second pole piece to winding mechanism direction
It is transmitted；
First barrier paper feeding mechanism and the second barrier paper feeding mechanism are respectively by the first barrier paper and the second barrier paper to winding
Mechanism direction is transmitted；
Before first pole piece and the second pole piece are sent to winding mechanism, respectively through being located at winding mechanism on the left of the first nailing machine and
The second nailing machine on the right side of winding mechanism；First nailing machine is fixedly connected with the first tab on the first pole piece；Second nail joint
Machine is fixedly connected with the second tab on the second pole piece；
At first nailing machine, the first pole piece enters the first nailing machine from left side, and the first pole piece is after riveting the first tab
It is come out on the right side of from the first nailing machine；
At second nailing machine, the second pole piece enters the second nailing machine from left side, and the second pole piece is after riveting the second tab
It is come out on the right side of from the second nailing machine；
(2) pole piece coiling: at winding mechanism, pole piece is stacked with barrier paper interval；Winding mechanism revolves counterclockwise
Turn and rolls core.
8. winding method as claimed in claim 7, which is characterized in that in the winding steps, the winding mechanism is by first
Pole piece, the first barrier paper, the second pole piece, the second barrier paper stack gradually winding.
9. winding method as claimed in claim 7, which is characterized in that before the winding in preparation process, second turns to transmission
Mechanism reversely sends winding mechanism to after coming out the second pole piece from the second nailing machine again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810751844.8A CN109192547A (en) | 2018-07-10 | 2018-07-10 | A kind of super capacitor winding machine and its winding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810751844.8A CN109192547A (en) | 2018-07-10 | 2018-07-10 | A kind of super capacitor winding machine and its winding method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109192547A true CN109192547A (en) | 2019-01-11 |
Family
ID=64936482
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810751844.8A Pending CN109192547A (en) | 2018-07-10 | 2018-07-10 | A kind of super capacitor winding machine and its winding method |
Country Status (1)
| Country | Link |
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| CN (1) | CN109192547A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000012390A (en) * | 1998-06-22 | 2000-01-14 | Asahi Glass Co Ltd | Electro-chemical element and method and device for manufacturing the same |
| CN202550007U (en) * | 2012-02-13 | 2012-11-21 | 深圳格林德能源有限公司 | Coiled lithium polymer battery and positive and negative plate structure thereof |
| CN103348426A (en) * | 2011-07-20 | 2013-10-09 | 尼吉康株式会社 | Electric double-layer capacitor |
-
2018
- 2018-07-10 CN CN201810751844.8A patent/CN109192547A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000012390A (en) * | 1998-06-22 | 2000-01-14 | Asahi Glass Co Ltd | Electro-chemical element and method and device for manufacturing the same |
| CN103348426A (en) * | 2011-07-20 | 2013-10-09 | 尼吉康株式会社 | Electric double-layer capacitor |
| CN202550007U (en) * | 2012-02-13 | 2012-11-21 | 深圳格林德能源有限公司 | Coiled lithium polymer battery and positive and negative plate structure thereof |
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Application publication date: 20190111 |