CN102486969A - Manufacturing method of electrochemical capacitor electrode and electrochemical capacitor electrode manufactured by using manufacturing method - Google Patents
Manufacturing method of electrochemical capacitor electrode and electrochemical capacitor electrode manufactured by using manufacturing method Download PDFInfo
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- CN102486969A CN102486969A CN2010105680126A CN201010568012A CN102486969A CN 102486969 A CN102486969 A CN 102486969A CN 2010105680126 A CN2010105680126 A CN 2010105680126A CN 201010568012 A CN201010568012 A CN 201010568012A CN 102486969 A CN102486969 A CN 102486969A
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- electrochemical capacitor
- capacitor electrode
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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
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/32—Carbon-based
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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
Abstract
The invention discloses a manufacturing method of an electrochemical capacitor electrode and the electrochemical capacitor electrode manufactured according to the manufacturing method. The manufacturing method comprises the following steps of: mixing materials for making paste, fibrosis treatment, drying, air-flow crushing, granulation, rolling into a film, spraying of a conducting layer and hot-pressing composition and the like, wherein the electrochemical capacitor electrode comprises a current collector, a first conducting layer, a second conducting layer and the film, wherein the first conducting layer covers on the upper surface of the current collector and the thickness of the first conducting layer is between 1mum and 10mum; the second conducting layer covers on the lower surface of the current collector and the thickness of the second conducting layer is between 1mum and 10mum; and the thickness of the film is between 60mum and 300mum, the surface density of the thin film is between 0.4-0.9g/cm<2> and the thin film is adhered on the first conducting layer and the second conducting layer. After adopting the electrochemical capacitor electrode, the surface density is high, the chemical stability is good, the service life is long and the preparation process is simple.
Description
Technical field
The present invention relates to a kind of electrochemical capacitor electrode manufacturing approach and with the electrochemical capacitor electrode of this method preparation, relate in particular to a kind of manufacturing approach and electrochemical capacitor electrode for preparing with this method of electrochemical capacitor electrode of network-like glued construction.
Background technology
Current, electrochemical energy storage device commonly used mainly comprises electrochemical capacitor and battery, and they respectively have characteristics at aspects such as power density, energy density, conversion efficiency, life-span, Applicable temperature scopes.Electrochemical capacitor is also referred to as double electric layer capacitor, ultracapacitor and farad capacitor, compares with traditional capacitor, and electrochemical capacitor can store more energy under Unit Weight and unit volume.Be more suitable for application as power power-supply and back-up source.
At present, the conventional electrodes manufacturing approach of electrochemical capacitor is a rubbing method, slurry is coated to forms electrode on the collector.Adopt the made electrode of rubbing method because the bonding strength of adhesive is limited, make that the specific capacity of electrode is on the low side, the homogeneity of thickness of electrode is difficult to control, and the chemical stability of adhesive itself is relatively poor.
Therefore; Need to propose a kind of manufacturing approach of improved electrochemical capacitor electrode film, satisfy the requirement of two aspects: one of which, improve specific capacity, the consistency of electrode and reduce cost; They are two years old; Improve the electrochemical stability and the structural stability of electrode, strengthen the reliability of the electrochemical capacitor made from this electrode, increase the service life.
Summary of the invention
The object of the present invention is to provide a kind of manufacturing approach of improved electrochemical capacitor electrode, this electrode utilizes that film, conductive layer and collector are compound to be processed.
Another purpose of the present invention is to make electrochemical capacitor electrode through the manufacturing approach of above-mentioned improved electrochemical capacitor electrode, thereby improves the specific capacity and the consistency of electrode.Simultaneously also reduce production cost, strengthened the reliability and the life-span of the electrochemical capacitor made from this electrode.
To achieve these goals, the invention discloses a kind of manufacturing approach of electrochemical capacitor electrode, said method comprising the steps of:
Step 1: one or several the mass ratio that will comprise active carbon, CNT, nanometer door carbon, Graphene, metal oxide, conducting polymer is that 60% ~ 92% active material, 5% ~ 20% first conductive agent and 3% ~ 20% first adhesive are mixed into pasty masses; Said pasty masses is kneaded fibrillatable; Adopt convection oven that pasty masses is dried; With airslide disintegrating mill the said pasty masses of fibrous drying is ground into the particle between 20 ~ 100 μ m; Adopt mist projection granulating equipment said grain granulation to be become the bulky grain of 200 ~ 500 μ m; Afterwards this bulky grain mixture is conducted to roll squeezer as raw material, forms thickness between 60 μ m ~ 300 μ m up to roll-in, and the continuous film of surface density between 0.4 ~ 0.9g/cm2;
Step 2: first conductive layer that will be mixed and made into by second adhesive of second conductive agent of 85-95% and 5-15% and second conductive layer that is mixed and made into by second adhesive of second conductive agent of 85-95% and 5-15% are sprayed on the upper surface and the lower surface of collector through the method for spraying, and the thickness of spraying is between 1 μ m and 10 μ m;
Step 3: said film is rolled to the collector that is coated with said first conductive layer and second conductive layer through hot press.
Preferably, the manufacturing approach of electrochemical capacitor electrode of the present invention, the particle diameter of the said pasty masses of the fibrous drying after pulverizing with airslide disintegrating mill is between 40 ~ 80 μ m.
Preferably, the manufacturing approach of electrochemical capacitor electrode of the present invention is repeatedly roll-in to the roll-in of said bulky grain mixture, repeatedly in the roll-in surface density is being adjusted between 0.6 ~ 0.8g/cm2.
Preferably, the manufacturing approach of electrochemical capacitor electrode of the present invention is a granulated into the bulky grain between 300 ~ 400 μ m through said pasty masses after pulverizing and employing atomizing Granulation Equipments.
Preferably, the manufacturing approach of electrochemical capacitor electrode of the present invention, said first conductive agent and second conductive agent comprise in electrically conductive graphite, conductive black, superconduct carbon black and the acetylene black at least one of them.
Preferably, the manufacturing approach of electrochemical capacitor electrode of the present invention, said first adhesive comprises one or several in polytetrafluoroethylene, polyphenylene sulfide, polyethylene, the polypropylene.
Preferably, the manufacturing approach of electrochemical capacitor electrode of the present invention, said collector is aluminium foil or corrosive aluminum foil.
Preferably, the manufacturing approach of electrochemical capacitor electrode of the present invention, said pasty masses comprises that mass ratio is 90% active material, 5% first conductive agent, and 5% first adhesive.
The present invention also provides a kind of electrochemical capacitor electrode that gets according to method for preparing, and it comprises: collector; First conductive layer, it is mixed and made into by second conductive agent of 85-95% and second adhesive of 5-15%, and said first conductive layer covers the upper surface of said collector, and the thickness of said first conductive layer is between 1 μ m and 10 μ m; Second conductive layer, it is mixed and made into by second conductive agent of 85-95% and second adhesive of 5-15%, and said second conductive layer covers the lower surface of said collector, and the thickness of said second conductive layer is between 1 μ m and 10 μ m; The first film, it is attached to said first conductive layer; Second film; It is attached to said second conductive layer; And the thickness of the said the first film and second film all between 60 μ m and 300 μ m and the surface density of the said the first film and second film between 0.4 ~ 0.9g/cm2; Wherein, It is 60% ~ 92% active material, 5% ~ 20% first conductive agent and 3% ~ 20% first adhesive that the said the first film and second film include mass ratio, and wherein, said active material comprises one or several in active carbon, CNT, nanometer door carbon, Graphene, metal oxide and the conducting polymer.
Preferably, electrochemical capacitor electrode of the present invention, said collector are aluminium foil or corrosive aluminum foil.
Preferably, electrochemical capacitor electrode of the present invention, said first conductive agent and second conductive agent comprise in electrically conductive graphite, conductive black, superconduct carbon black and the acetylene black at least one of them.
Preferably, electrochemical capacitor electrode of the present invention, said first adhesive comprises one or several in polytetrafluoroethylene, polyphenylene sulfide, polyethylene, the polypropylene.
Preferably, electrochemical capacitor electrode of the present invention, said second adhesive comprises one or several among CMC, SBR, the LA133.
Preferably, electrochemical capacitor electrode of the present invention, said film comprise that mass ratio is 90% active material, 5% first conductive agent, and 5% first adhesive.
Prepare specific capacity and the consistency that electrochemical capacitor electrode can improve electrode through method of the present invention, strengthened the reliability and the life-span of the electrochemical capacitor made from this electrode.Preparation technology is simple simultaneously, and production cost reduces.
Description of drawings
Fig. 1 is the manufacturing approach sketch map of electrochemical capacitor electrode of the present invention;
Fig. 2 is the cross-sectional view of the electrochemical capacitor electrode prepared through method of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is done further detailed description, can implement according to this with reference to the specification literal to make those skilled in the art.
Embodiment 1
At first; One or several the mass ratio that will comprise active carbon, CNT, nanometer door carbon, Graphene, metal oxide, conducting polymer is that 90% active material, 5% first conductive agent are mixed into pasty masses with 5% first adhesive; Said pasty masses is kneaded fibrillatable; Adopt convection oven that pasty masses is dried; With airslide disintegrating mill the said pasty masses of fibrous drying is ground into the particle between 20 ~ 100 μ m, adopts mist projection granulating equipment that said grain granulation is become the bulky grain of 200 ~ 500 μ m, afterwards this bulky grain mixture is conducted to roll squeezer as raw material; Forming thickness up to roll-in is 60 μ m, and surface density is the continuous film of 0.4 ~ 0.9g/cm2; Secondly; First conductive layer 2 that will be mixed and made into by second adhesive of second conductive agent of 85-95% and 5-15% and second conductive layer 4 that is mixed and made into by second adhesive of second conductive agent of 85-95% and 5-15% are sprayed on the upper surface and the lower surface of collector through the method for spraying, and the thickness of spraying is between 1 μ m and 10 μ m; At last, said film is rolled to the collector 3 that is coated with said first conductive layer 2 and second conductive layer 4 through hot press.Thereby just finally make electrochemical capacitor electrode of the present invention.Electrochemical capacitor electrode through this kind embodiment produces comprises: collector 3; First conductive layer 2, it is mixed and made into by second conductive agent of 85-95% and second adhesive of 5-15%, and said first conductive layer 2 covers the upper surface of said collector 3, and the thickness of said first conductive layer 2 is between 1 μ m and 10 μ m; Second conductive layer 4, it is mixed and made into by second conductive agent of 85-95% and second adhesive of 5-15%, and said second conductive layer 4 covers the lower surface of said collector 3, and the thickness of said second conductive layer 4 is between 1 μ m and 10 μ m; The first film 1, it is attached to said first conductive layer 2; Second film 5; It is attached to said second conductive layer 4; And the thickness of the said the first film 1 and second film 5 is the surface density of 60 μ m and the said the first film 1 and second film 5 between 0.4 ~ 0.9g/cm2; Wherein, The said the first film 1 and second film 5 comprise that mass ratio is 90% active material, 5% first conductive agent and 5% first adhesive, and wherein, said active material comprises one or several in active carbon, CNT, nanometer door carbon, Graphene, metal oxide and the conducting polymer.Through test; The surface density for preparing the electrochemical capacitor electrode that gets through this kind method is 0.4g/cm2; The rubbing method that this compares prior art has improved the chemical stability and the consistency of electrode, has strengthened the reliability and the life-span of the electrochemical capacitor made from this electrode.
Among this embodiment, first conductive agent and second conductive agent comprise in electrically conductive graphite, conductive black, superconduct carbon black and the acetylene black at least one of them.First adhesive comprises one or several in polytetrafluoroethylene, polyphenylene sulfide, polyethylene, the polypropylene.
Among this embodiment, the particle diameter of the said pasty masses of the fibrous drying after pulverizing with airslide disintegrating mill is preferably between 40 ~ 80 μ m.Preferably be a granulated into bulky grain through said pasty masses after pulverizing and employing atomizing Granulation Equipments between 300 ~ 400 μ m.Collector is preferably aluminium foil or corrosive aluminum foil.
At first; One or several the mass ratio that will comprise active carbon, CNT, nanometer door carbon, Graphene, metal oxide, conducting polymer is that 92% active material, 5% first conductive agent are mixed into pasty masses with 3% first adhesive; Said pasty masses is kneaded fibrillatable; Adopt convection oven that pasty masses is dried; With airslide disintegrating mill the said pasty masses of fibrous drying is ground into the particle between 20 ~ 100 μ m, adopts mist projection granulating equipment that said grain granulation is become the bulky grain of 200 ~ 500 μ m, afterwards this bulky grain mixture is conducted to roll squeezer as raw material; Forming thickness up to roll-in is 300 μ m, and surface density is the continuous film of 0.4 ~ 0.9g/cm2; Secondly; First conductive layer 2 that will be mixed and made into by second adhesive of second conductive agent of 85-95% and 5-15% and second conductive layer 4 that is mixed and made into by second adhesive of second conductive agent of 85-95% and 5-15% are sprayed on the upper surface and the lower surface of collector through the method for spraying, and the thickness of spraying is between 1 μ m and 10 μ m; At last, said film is rolled to the collector 3 that is coated with said first conductive layer 2 and second conductive layer 4 through hot press.Thereby just finally make electrochemical capacitor electrode of the present invention.Electrochemical capacitor electrode through this kind embodiment produces comprises: collector 3; First conductive layer 2, it is mixed and made into by second conductive agent of 85-95% and second adhesive of 5-15%, and said first conductive layer 2 covers the upper surface of said collector 3, and the thickness of said first conductive layer 2 is between 1 μ m and 10 μ m; Second conductive layer 4, it is mixed and made into by second conductive agent of 85-95% and second adhesive of 5-15%, and said second conductive layer 4 covers the lower surface of said collector 3, and the thickness of said second conductive layer 4 is between 1 μ m and 10 μ m; The first film 1, it is attached to said first conductive layer 2; Second film 5; It is attached to said second conductive layer 4; And the thickness of the said the first film 1 and second film 5 is the surface density of 300 μ m and the said the first film 1 and second film 5 between 0.4 ~ 0.9g/cm2; Wherein, The said the first film 1 and second film 5 comprise that mass ratio is 92% active material, 5% first conductive agent and 3% first adhesive, and wherein, said active material comprises one or several in active carbon, CNT, nanometer door carbon, Graphene, metal oxide and the conducting polymer.Through test; The surface density for preparing the electrochemical capacitor electrode that gets through this kind method is 0.9g/cm2; This compares the rubbing method of prior art, has further improved the specific capacity and the chemical stability of electrode, has strengthened the reliability and the life-span of the electrochemical capacitor made from this electrode.
Among this embodiment, first conductive agent and second conductive agent comprise in electrically conductive graphite, conductive black, superconduct carbon black and the acetylene black at least one of them.First adhesive comprises one or several in polytetrafluoroethylene, polyphenylene sulfide, polyethylene, the polypropylene.
Among this embodiment, the particle diameter of the said pasty masses of the fibrous drying after pulverizing with airslide disintegrating mill is preferably between 40 ~ 80 μ m.Preferably be a granulated into bulky grain through said pasty masses after pulverizing and employing atomizing Granulation Equipments between 300 ~ 400 μ m.Collector is preferably aluminium foil or corrosive aluminum foil.
At first, be that 90% active carbon, 5% first conductive agent are mixed into pasty masses with 5% first adhesive with mass ratio, wherein active carbon is YP-17D; Distributors is Kuraray Chemical Co. Ltd.; Shin-hankyu Bldg. 9F.Blvd.C-237,1-12-39 Umeda Kiataku, Osaka; 530-8611, Japan; First conductive agent is SUPER S, and distributors is TIMCAL Belgium S.A., B-1050 Bruxelles, Belgium; First adhesive is M-18F, the Daikin Investment Co. of distributors, Ltd.; Umeda Center Bldg., 2-4-12, Nakazaki-Nishi; Kita-ku, Osaka, 530-8323; Japan. said pasty masses is kneaded fibrillatable, adopt convection oven that pasty masses is dried, the said pasty masses of fibrous drying is ground into the particle between 20 ~ 100 μ m with airslide disintegrating mill; Adopt mist projection granulating equipment said grain granulation to be become the bulky grain of 200 ~ 500 μ m; Afterwards this bulky grain mixture is conducted to roll squeezer as raw material, forming thickness up to roll-in is 300 μ m, and surface density is the continuous film of 0.4 ~ 0.9g/cm2; Secondly, will by second conductive agent of 85-95% SUPER S, distributors is TIMCAL Belgium S.A., B-1050 Bruxelles, Belgium; First adhesive is M-18F, the Daikin Investment Co. of distributors, Ltd.; Umeda Center Bldg., 2-4-12, Nakazaki-Nishi; Kita-ku, Osaka, 530-8323; Japan. with the second adhesive LA133 of 5-15%, distributors is CHENGDU INDIGO POWER SOURCES CO., LTD; First conductive layer 2 that is mixed and made into and second conductive layer 4 that is mixed and made into by second adhesive of second conductive agent of 85-95% and 5-15% are sprayed on the upper surface and the lower surface of collector through the method for spraying, and the thickness of spraying is between 1 μ m and 10 μ m; At last, said film is rolled to the collector 3 that is coated with said first conductive layer 2 and second conductive layer 4 through hot press.Thereby make and finally make electrochemical capacitor electrode of the present invention.The electrochemical capacitor electrode that produces through this embodiment; Through test, surface density is 0.8g/cm2, this and existing rubbing method compared with techniques; Further improve the specific capacity and the chemical stability of electrode, strengthened the reliability and the life-span of the electrochemical capacitor made from this electrode.
Although embodiment of the present invention are open as above; But it is not restricted to listed utilization in specification and the execution mode; It can be applied to various suitable the field of the invention fully, for being familiar with those skilled in the art, can easily realize other modification; Therefore under the universal that does not deviate from claim and equivalency range and limited, the legend that the present invention is not limited to specific details and illustrates here and describe.
Claims (13)
1. the manufacturing approach of an electrochemical capacitor electrode is characterized in that, said method comprising the steps of:
Step 1: one or several the mass ratio that will comprise active carbon, CNT, nanometer door carbon, Graphene, metal oxide, conducting polymer is that 60% ~ 92% active material, 5% ~ 20% first conductive agent and 3% ~ 20% first adhesive are mixed into pasty masses; Said pasty masses is kneaded fibrillatable; Adopt convection oven that pasty masses is dried; With airslide disintegrating mill the said pasty masses of fibrous drying is ground into the particle between 20 ~ 100 μ m; Adopt mist projection granulating equipment said grain granulation to be become the bulky grain of 200 ~ 500 μ m; Afterwards this bulky grain mixture is conducted to roll squeezer as raw material, forms thickness between 60 μ m ~ 300 μ m up to roll-in, and the continuous film of surface density between 0.4 ~ 0.9g/cm2;
Step 2: first conductive layer that will be mixed and made into by second adhesive of second conductive agent of 85-95% and 5-15% and second conductive layer that is mixed and made into by second adhesive of second conductive agent of 85-95% and 5-15% are sprayed on the upper surface and the lower surface of collector through the method for spraying, and the thickness of spraying is between 1 μ m and 10 μ m;
Step 3: said film is rolled to the collector that is coated with said first conductive layer and second conductive layer through hot press.
2. the manufacturing approach of electrochemical capacitor electrode as claimed in claim 1 is characterized in that: the particle diameter of the said pasty masses of the fibrous drying after pulverizing with airslide disintegrating mill is between 40 ~ 80 μ m.
3. the manufacturing approach of electrochemical capacitor electrode as claimed in claim 1 is characterized in that, the roll-in of said bulky grain mixture is repeatedly roll-in, repeatedly in the roll-in surface density is being adjusted between 0.6 ~ 0.8g/cm2.
4. the manufacturing approach of electrochemical capacitor electrode as claimed in claim 1 is characterized in that, is a granulated into the bulky grain between 300 ~ 400 μ m through said pasty masses after pulverizing and employing atomizing Granulation Equipments.
5. the manufacturing approach of electrochemical capacitor electrode as claimed in claim 1 is characterized in that, said first conductive agent and second conductive agent comprise in electrically conductive graphite, conductive black, superconduct carbon black and the acetylene black at least one of them.
6. the manufacturing approach of electrochemical capacitor electrode as claimed in claim 1 is characterized in that, said first adhesive comprises one or several in polytetrafluoroethylene, polyphenylene sulfide, polyethylene, the polypropylene.
7. the manufacturing approach of electrochemical capacitor electrode as claimed in claim 1, it is characterized in that: said collector is aluminium foil or corrosive aluminum foil.
8. the manufacturing approach of electrochemical capacitor electrode as claimed in claim 1, it is characterized in that: said pasty masses comprises that mass ratio is 90% active material, 5% first conductive agent, and 5% first adhesive.
9. the electrochemical capacitor electrode that arbitrary method preparation gets in basis such as the claim 1 to 8 is characterized in that, comprising:
Collector;
First conductive layer, it is mixed and made into by second conductive agent of 85-95% and second adhesive of 5-15%, and said first conductive layer covers the upper surface of said collector, and the thickness of said first conductive layer is between 1 μ m and 10 μ m;
Second conductive layer, it is mixed and made into by second conductive agent of 85-95% and second adhesive of 5-15%, and said second conductive layer covers the lower surface of said collector, and the thickness of said second conductive layer is between 1 μ m and 10 μ m;
The first film, it is attached to said first conductive layer;
Second film; It is attached to said second conductive layer; And the thickness of the said the first film and second film all between 60 μ m and 300 μ m and the surface density of the said the first film and second film between 0.4 ~ 0.9g/cm2; Wherein, It is 60% ~ 92% active material, 5% ~ 20% first conductive agent and 3% ~ 20% first adhesive that the said the first film and second film include mass ratio, and wherein, said active material comprises one or several in active carbon, CNT, nanometer door carbon, Graphene, metal oxide and the conducting polymer.
10. electrochemical capacitor electrode as claimed in claim 9 is characterized in that: said collector is aluminium foil or corrosive aluminum foil.
11. electrochemical capacitor electrode as claimed in claim 9 is characterized in that: said first conductive agent and second conductive agent comprise in electrically conductive graphite, conductive black, superconduct carbon black and the acetylene black at least one of them.
12. electrochemical capacitor electrode as claimed in claim 9 is characterized in that, said first adhesive comprises one or several in polytetrafluoroethylene, polyphenylene sulfide, polyethylene, the polypropylene.
13. electrochemical capacitor electrode as claimed in claim 9 is characterized in that, it is 90% active material that the said the first film and second film include mass ratio, 5% first conductive agent, and 5% first adhesive.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103839695A (en) * | 2012-11-23 | 2014-06-04 | 海洋王照明科技股份有限公司 | Graphene electrode plate, and preparation method and application thereof |
| CN105084810A (en) * | 2014-05-08 | 2015-11-25 | 劲烯科技股份有限公司 | Composite carbon-material slice and manufacturing method therefor |
| WO2017054297A1 (en) * | 2015-09-30 | 2017-04-06 | 薛龙均 | Electrode for electrochemical power supply and manufacturing method therefor |
| CN113675362A (en) * | 2021-08-18 | 2021-11-19 | 蜂巢能源科技有限公司 | Method and system for preparing electrode slice by dry method and application |
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| CN101160635A (en) * | 2005-04-26 | 2008-04-09 | 日本瑞翁株式会社 | Composite particles for electrochemical element electrode |
| CN101341561A (en) * | 2005-12-20 | 2009-01-07 | 日本瑞翁株式会社 | Electric double layer capacitor |
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| JP2002198269A (en) * | 2000-12-26 | 2002-07-12 | Nec Tokin Ceramics Corp | Electric double layer capacitor |
| WO2005117043A1 (en) * | 2004-05-27 | 2005-12-08 | Zeon Corporation | Method for manufacturing electrochemical device electrode and apparatus therefor |
| CN101160635A (en) * | 2005-04-26 | 2008-04-09 | 日本瑞翁株式会社 | Composite particles for electrochemical element electrode |
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| CN113675362A (en) * | 2021-08-18 | 2021-11-19 | 蜂巢能源科技有限公司 | Method and system for preparing electrode slice by dry method and application |
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| Publication number | Publication date |
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| CN102486969B (en) | 2014-05-28 |
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