CN106128796A - A kind of ultracapacitor, current collector of super capacitor and processing method thereof - Google Patents
A kind of ultracapacitor, current collector of super capacitor and processing method thereof Download PDFInfo
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- CN106128796A CN106128796A CN201610402346.3A CN201610402346A CN106128796A CN 106128796 A CN106128796 A CN 106128796A CN 201610402346 A CN201610402346 A CN 201610402346A CN 106128796 A CN106128796 A CN 106128796A
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- collector
- super capacitor
- current collector
- slurry
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- 239000003990 capacitor Substances 0.000 title claims abstract description 43
- 238000003672 processing method Methods 0.000 title claims abstract description 12
- 239000002002 slurry Substances 0.000 claims abstract description 28
- 239000002562 thickening agent Substances 0.000 claims abstract description 20
- 239000006258 conductive agent Substances 0.000 claims abstract description 17
- 239000011230 binding agent Substances 0.000 claims abstract description 16
- 238000003756 stirring Methods 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000008367 deionised water Substances 0.000 claims abstract description 13
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 13
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 12
- 238000005096 rolling process Methods 0.000 claims abstract description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000006230 acetylene black Substances 0.000 claims abstract description 8
- 239000011248 coating agent Substances 0.000 claims description 15
- 238000000576 coating method Methods 0.000 claims description 15
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical group C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims description 6
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical group [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 5
- 239000011149 active material Substances 0.000 claims description 4
- 239000006185 dispersion Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 229920003123 carboxymethyl cellulose sodium Polymers 0.000 claims 1
- 229940063834 carboxymethylcellulose sodium Drugs 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 239000008267 milk Substances 0.000 claims 1
- 210000004080 milk Anatomy 0.000 claims 1
- 235000013336 milk Nutrition 0.000 claims 1
- 238000000034 method Methods 0.000 description 6
- 239000000178 monomer Substances 0.000 description 6
- 239000000725 suspension Substances 0.000 description 6
- 239000001768 carboxy methyl cellulose Substances 0.000 description 5
- 239000000839 emulsion Substances 0.000 description 5
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 4
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 235000009854 Cucurbita moschata Nutrition 0.000 description 2
- 240000001980 Cucurbita pepo Species 0.000 description 2
- 235000009852 Cucurbita pepo Nutrition 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 239000013543 active substance Substances 0.000 description 2
- 230000001351 cycling effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 235000020354 squash Nutrition 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- -1 more specifically Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/66—Current collectors
- H01G11/68—Current collectors characterised by their material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/84—Processes for the manufacture of hybrid or EDL capacitors, or components thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
The present invention proposes a kind of current collector of super capacitor, and described current collector of super capacitor includes deionized water, conductive agent, thickening agent and binding agent；Described conductive agent is acetylene black, and the proportioning of described acetylene black is 80 to 85 parts of mass numbers.The present invention proposes a kind of current collector of super capacitor processing method, comprises the steps: S1, and dispensing also stirs, by deionized water, conductive agent, thickening agent and binding agent are mixed by predetermined ratio, and slurry is made in stirring under vacuum conditions, and enter step S2；S2, gluing, slurry is coated on collector, and enters step S3；S3, is dried, by baking oven, collector is dried, and enter step S4；S4, rolling, collector is carried out online rolling.Again, the present invention also proposes a kind of ultracapacitor.Through pretreated current collector of super capacitor, can increase the caking property of slurry and collector, improve the internal resistance performance of ultracapacitor, its service life is longer.
Description
Technical field
The present invention relates to ultracapacitor field, process particularly to a kind of ultracapacitor, current collector of super capacitor
Method.
Background technology
Ultracapacitor (Supercapacitors) is a kind of new between conventional electrostatic capacitor and secondary cell
Type energy storage device, the advantage having secondary cell and traditional capacitor concurrently.It has, and power density is high, energy density is big, the life-span is long
The features such as (hundreds thousand of time more than), operating temperature range width (-40 DEG C～65 DEG C), efficiency for charge-discharge are high, pollution-free, at new forms of energy
The fields such as (solar energy and wind energy), communication, digital electric, electric power, automobile, engineering machinery, military affairs and Aero-Space have very
It is widely applied.
Pole piece is the core component of ultracapacitor, is made up of with collector active material layer, and its performance quality is right
The capacity of ultracapacitor, internal resistance etc. have critical impact.Wherein collector is as the carrier of pole piece, for pole piece performance
There is important impact.After pole piece coating active substance, generally to there is cohesive force poor, and active substance such as easily comes off at the phenomenon so that
Pole piece conduction is poor, finally causes super capacitor internal resistance big, and service life is short and the series of problems such as unstable properties.
In sum, how to provide and a kind of be effectively increased slurry and the caking property of collector, improve the interior of prefabricated monomer
Resistive energy, extend service life of monomer and improve the ultracapacitor of its stability, current collector of super capacitor and place thereof
Reason method, has become those skilled in the art to need badly and has solved the technical problem that.
Summary of the invention
The technical problem to be solved in the present invention is: provides a kind of and is effectively increased slurry and the caking property of collector, improvement
The internal resistance performance of prefabricated monomer, extend the service life of monomer and improve the ultracapacitor of its stability, ultracapacitor
Collector and processing method thereof.
The solution of the present invention is achieved in that the present invention proposes a kind of current collector of super capacitor, described super
Capacitor collection liquid body includes deionized water, conductive agent, thickening agent and binding agent；Described conductive agent is acetylene black, and described acetylene
Black proportioning is 80 to 85 parts of mass numbers.Deionized water, conductive agent, thickening agent, binding agent successively adds according to certain ratio
In slurry stirring barrel, high-speed stirred is disperseed, and regulation viscosity is prepared and obtained required gluing slurry.On this basis, super electricity is completed
The coating of container pole piece and follow-up roll-in, film-making, core operation, complete the follow-up making of ultracapacitor, through pretreatment
After collector, can use as ultracapacitor routine collector, the ultracapacitor that availability is more excellent.Overall and
Speech, through pretreated current collector of super capacitor, can increase slurry and the caking property of collector, improve ultracapacitor
Internal resistance performance, its service life is longer.
Another technical scheme of the present invention is on above-mentioned basis, and described thickening agent is sodium carboxymethyl cellulose thickening
Agent, and its proportioning is 5 to 10 parts of mass numbers.This set-up mode, select sodium carboxymethyl cellulose as thickening agent, its water solublity and
Film forming characteristics is the most excellent.
Another technical scheme of the present invention is on above-mentioned basis, and described binding agent is butadiene-styrene rubber aqueous emulsion.This
Set-up mode, selects butadiene-styrene rubber aqueous emulsion, and its caking property, high temperature abrasion resistance, thermostability and resistance to ag(e)ing are more preferable.
Additionally, the present invention also proposes a kind of ultracapacitor, including the pole piece being made up of active material layer and collector, institute
State collector for current collector of super capacitor described in as above any one.
Again, the present invention also proposes current collector of super capacitor processing method described in one as above any one, including as follows
Step:
S1, dispensing also stirs, and deionized water, conductive agent, thickening agent and binding agent is mixed by predetermined ratio, and in vacuum
Under state, slurry is made in stirring, and enters step S2；
S2, gluing, slurry is coated on collector, and enters step S3；
S3, is dried, by baking oven, collector is dried, and enter step S4；
S4, rolling, collector is carried out online rolling.
Another technical scheme of the present invention is on above-mentioned basis, in step S1, by 240～300 parts of mass numbers
Deionized water adds in agitator, adds the thickening agent of 5～10 parts of mass numbers, seals stirring 10 minutes, add after completing 80～
The conductive agent of 85 parts of mass numbers, continues to seal stirring 30 minutes, the binding agent of the 40% of 5～15 parts of mass numbers of addition after completing,
Carry out vacuum high-speed stirred and dispersion after sealing, after disperseing 2 hours, take the slurry prepared and measure its solid content and viscosity, Gu
Content is between 20～30%, and viscosity is between 2000～3000mPa.s；
Another technical scheme of the present invention is on above-mentioned basis, in step S2, uses suspension coating apparatus to carry out
Online coating, slurry controls load by die head, and dual coating a layer thickness is the slurry of 5～15um.This set-up mode,
Squash type gluing while of using online suspension two-sided, substantially reduces the gluing time, increases the effectiveness of production capacity and gluing,
Also pretreatment current collector of super capacitor is made to have good concordance, homogeneity and stability.
Another technical scheme of the present invention is on above-mentioned basis, and in step S3, collector continues through multiple tracks and dries
Case, dries through quick-drying and two arid regions of slow curing.This set-up mode is owing to using multiple tracks baking oven to toast, super
Level capacitor collection liquid body just quickly and is effectively dried after baking oven.
Another technical scheme of the present invention is on above-mentioned basis, in step S4, by suspension coating apparatus
Deviation-rectifying system carries out rolling to collector.
By the current collector of super capacitor after above-mentioned disposal methods and ultracapacitor, have following excellent
Point:
First, super-capacitor pole piece can be effectively improved and drop off problem, increase the caking property of slurry and collector；
Secondly, improve the internal resistance performance of ultracapacitor, can effectively reduce ultracapacitor monomer internal resistance, reduce super electricity
The heating risk of container；
Again, the service life of current collector of super capacitor is extended, it is thus achieved that more excellent cycling behavior.
Accompanying drawing explanation
The accompanying drawing of the part constituting the present invention is used for providing a further understanding of the present invention, and the present invention's is schematic real
Execute example and illustrate for explaining the present invention, being not intended that inappropriate limitation of the present invention.
Fig. 1 is the FB(flow block) of the present invention a kind of current collector of super capacitor processing method.
Detailed description of the invention
Describing the present invention below in conjunction with the accompanying drawings, the description of this part is only exemplary and explanatory, should not
Protection scope of the present invention is had any restriction effect.Additionally, those skilled in the art are according to the description of presents, can be right
In presents, the feature in embodiment and in different embodiment carries out respective combination.
The embodiment of the present invention is as follows, and the present invention proposes a kind of current collector of super capacitor, described current collector of super capacitor
Including deionized water, conductive agent, thickening agent and binding agent, more specifically, deionized water, conductive agent, thickening agent and binding agent
Adding in slurry stirring barrel according to certain ratio priority, high-speed stirred is disperseed, and regulation viscosity is prepared and obtained required gluing slurry.
More specifically, conductive agent is preferably acetylene black, and its proportioning is 80 to 85 parts of mass numbers.Select acetylene black as conductive agent, its
Conductivity is higher, granularity is little, and isotropism, absorption affinity and dispersion are more excellent.On this basis, super-capacitor pole piece is completed
Coating and follow-up roll-in, film-making, core operation, complete the follow-up making of ultracapacitor, through pretreated afflux
Body, can use as ultracapacitor routine collector, the ultracapacitor that availability is more excellent.In general, through pre-
Current collector of super capacitor after process, can increase the caking property of slurry and collector, improve the internal resistance performance of ultracapacitor,
Its service life is longer.
On the basis of above-described embodiment, in another embodiment of the present invention, thickening agent is that sodium carboxymethyl cellulose (CMC) increases
Thick dose, and its proportioning is 5 to 10 parts of mass numbers.This set-up mode, select sodium carboxymethyl cellulose as thickening agent, its water solublity
And film forming characteristics is the most excellent.
On the basis of above-described embodiment, in another embodiment of the present invention, binding agent is butadiene-styrene rubber (SBR) aqueous emulsion.
This set-up mode, selects butadiene-styrene rubber aqueous emulsion, and its caking property, high temperature abrasion resistance, thermostability and resistance to ag(e)ing are more preferable.
On the other hand, the present invention also proposes a kind of ultracapacitor, including the pole being made up of active material layer and collector
Sheet, more specifically, collector is current collector of super capacitor described in as above any one.
Again, the present invention proposes a kind of current collector of super capacitor processing method, comprises the steps:
Step S1, dispensing also stirs, and deionized water, conductive agent, thickening agent and binding agent is mixed by predetermined ratio, and
Under vacuum state, slurry is made in stirring, and enters step S2；
Step S2, gluing, slurry is coated on collector, and enters step S3；
Step S3, is dried, by baking oven, collector is dried, and enter step S4；
Step S4, rolling, collector is carried out online rolling.
On the basis of above-described embodiment, in another embodiment of the present invention, in step S1, by 240～300 parts of mass numbers
Deionized water adds in agitator, adds the thickening agent of 5～10 parts of mass numbers, seals stirring 10 minutes, add after completing 80～
The conductive agent of 85 parts of mass numbers, continues to seal stirring 30 minutes, the binding agent of the 40% of 5～15 parts of mass numbers of addition after completing,
I.e. butadiene-styrene rubber aqueous emulsion, carries out vacuum high-speed stirred and dispersion after sealing, after disperseing 2 hours, take the slurry prepared and measure
Its solid content and viscosity, solid content value should be between 20～30%, and viscosity number should be between 2000～3000mPa.s；
On the basis of above-described embodiment, in another embodiment of the present invention, in step S2, suspension coating apparatus is used to carry out
Online coating, slurry controls load by die head, and dual coating a layer thickness is the slurry of 5～15um.This set-up mode,
Squash type gluing while of using online suspension two-sided, substantially reduces the gluing time, increases the effectiveness of production capacity and gluing,
Also pretreatment current collector of super capacitor is made to have good concordance, homogeneity and stability.
On the basis of above-described embodiment, in another embodiment of the present invention, in step S3, collector continues through multiple tracks and dries
Case, dries through quick-drying and two arid regions of slow curing.This set-up mode is owing to using multiple tracks baking oven to toast, super
Level capacitor collection liquid body just quickly and is effectively dried after baking oven.
On the basis of above-described embodiment, in another embodiment of the present invention, in step S4, by suspension coating apparatus
Deviation-rectifying system carries out rolling to collector.
By the current collector of super capacitor after above-mentioned disposal methods and ultracapacitor, have following excellent
Point:
First, super-capacitor pole piece can be effectively improved and drop off problem, increase the caking property of slurry and collector；
Secondly, improve the internal resistance performance of ultracapacitor, can effectively reduce ultracapacitor monomer internal resistance, reduce super electricity
The heating risk of container；
Again, the service life of current collector of super capacitor is extended, it is thus achieved that more excellent cycling behavior.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For Yuan, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (9)
1. a current collector of super capacitor, it is characterised in that described current collector of super capacitor includes deionized water, conduction
Agent, thickening agent and binding agent；Described conductive agent is acetylene black, and the proportioning of described acetylene black is 80 to 85 parts of mass numbers.
Current collector of super capacitor the most according to claim 1, it is characterised in that described thickening agent is carboxymethyl cellulose
Sodium thickening agent, and its proportioning is 5 to 10 parts of mass numbers.
Current collector of super capacitor the most according to claim 1, it is characterised in that described binding agent is butadiene-styrene rubber water and milk
Liquid.
4. a ultracapacitor, including the pole piece being made up of active material layer and collector, it is characterised in that described collector
Current collector of super capacitor according to any one of claims 1 to 3.
5. the current collector of super capacitor processing method according to any one of a claims 1 to 3, it is characterised in that include
Following steps:
S1, dispensing also stirs, and deionized water, conductive agent, thickening agent and binding agent is mixed by predetermined ratio, and at vacuum state
Slurry is made in lower stirring, and enters step S2；
S2, gluing, slurry is coated on collector, and enters step S3；
S3, is dried, by baking oven, collector is dried, and enter step S4；
S4, rolling, collector is carried out online rolling.
Current collector of super capacitor processing method the most according to claim 5, it is characterised in that in step S1, by 240～
The deionized water of 300 parts of mass numbers adds in agitator, adds the thickening agent of 5～10 parts of mass numbers, seals stirring 10 minutes, complete
Add the conductive agent of 80～85 parts of mass numbers after one-tenth, continue to seal stirring 30 minutes, after completing, add 5～15 parts of mass numbers
The binding agent of 40%, carries out vacuum high-speed stirred and dispersion after sealing, after disperseing 2 hours, take the slurry prepared and measure it admittedly
Content and viscosity, solid content is between 20～30%, and viscosity is between 2000～3000mPa.s.
Current collector of super capacitor processing method the most according to claim 5, it is characterised in that in step S2, uses outstanding
Floating coating apparatus carries out online coating, and slurry controls load by die head, and dual coating a layer thickness is the slurry of 5～15um
Material.
Current collector of super capacitor processing method the most according to claim 5, it is characterised in that in step S3, collector
Continue through multiple tracks baking oven, dry through quick-drying and two arid regions of slow curing.
Current collector of super capacitor processing method the most according to claim 5, it is characterised in that in step S4, by outstanding
Deviation-rectifying system in floating coating apparatus carries out rolling to collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610402346.3A CN106128796A (en) | 2016-06-08 | 2016-06-08 | A kind of ultracapacitor, current collector of super capacitor and processing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610402346.3A CN106128796A (en) | 2016-06-08 | 2016-06-08 | A kind of ultracapacitor, current collector of super capacitor and processing method thereof |
Publications (1)
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| CN106128796A true CN106128796A (en) | 2016-11-16 |
Family
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Family Applications (1)
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| CN201610402346.3A Pending CN106128796A (en) | 2016-06-08 | 2016-06-08 | A kind of ultracapacitor, current collector of super capacitor and processing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107818874A (en) * | 2017-11-28 | 2018-03-20 | 广州驰裕网络科技有限公司 | A kind of ultracapacitor and preparation method thereof |
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| JP2005216668A (en) * | 2004-01-29 | 2005-08-11 | Sii Micro Parts Ltd | Electrochemical cell |
| CN103137334A (en) * | 2011-12-01 | 2013-06-05 | 上海奥威科技开发有限公司 | Manufacture method of electrode slice of supercapacitor and supercapacitor |
| US20140170488A1 (en) * | 2011-07-29 | 2014-06-19 | Uacj Foil Corporation | Collector, electrode structure, non-aqueous electrolyte cell, and electricity storage component |
| CN104377043A (en) * | 2014-10-17 | 2015-02-25 | 超威电源有限公司 | Composite current collector for corrosion resistance and high conductivity pseudocapacitance type supercapacitor and preparing method of composite current collector |
| CN105390299A (en) * | 2015-12-16 | 2016-03-09 | 湖南耐普恩科技有限公司 | Preparation method for supercapacitor pole piece |
-
2016
- 2016-06-08 CN CN201610402346.3A patent/CN106128796A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005216668A (en) * | 2004-01-29 | 2005-08-11 | Sii Micro Parts Ltd | Electrochemical cell |
| US20140170488A1 (en) * | 2011-07-29 | 2014-06-19 | Uacj Foil Corporation | Collector, electrode structure, non-aqueous electrolyte cell, and electricity storage component |
| CN103137334A (en) * | 2011-12-01 | 2013-06-05 | 上海奥威科技开发有限公司 | Manufacture method of electrode slice of supercapacitor and supercapacitor |
| CN104377043A (en) * | 2014-10-17 | 2015-02-25 | 超威电源有限公司 | Composite current collector for corrosion resistance and high conductivity pseudocapacitance type supercapacitor and preparing method of composite current collector |
| CN105390299A (en) * | 2015-12-16 | 2016-03-09 | 湖南耐普恩科技有限公司 | Preparation method for supercapacitor pole piece |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107818874A (en) * | 2017-11-28 | 2018-03-20 | 广州驰裕网络科技有限公司 | A kind of ultracapacitor and preparation method thereof |
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Application publication date: 20161116 |
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