CN102593422A - Electrode production apparatus and electrode production method - Google Patents
Electrode production apparatus and electrode production method Download PDFInfo
- Publication number
- CN102593422A CN102593422A CN2012100116333A CN201210011633A CN102593422A CN 102593422 A CN102593422 A CN 102593422A CN 2012100116333 A CN2012100116333 A CN 2012100116333A CN 201210011633 A CN201210011633 A CN 201210011633A CN 102593422 A CN102593422 A CN 102593422A
- Authority
- CN
- China
- Prior art keywords
- mentioned
- active material
- rod
- film
- type heater
- Prior art date
- 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.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 62
- 239000011149 active material Substances 0.000 claims abstract description 169
- 238000001035 drying Methods 0.000 claims abstract description 72
- 239000000463 material Substances 0.000 claims abstract description 57
- 238000000576 coating method Methods 0.000 claims abstract description 45
- 239000011248 coating agent Substances 0.000 claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000000203 mixture Substances 0.000 claims description 118
- 239000002904 solvent Substances 0.000 claims description 26
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 20
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 20
- 239000003990 capacitor Substances 0.000 claims description 20
- 229910001416 lithium ion Inorganic materials 0.000 claims description 20
- 238000011144 upstream manufacturing Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000002835 absorbance Methods 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 9
- 230000005855 radiation Effects 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 120
- 239000002184 metal Substances 0.000 abstract description 120
- 238000002844 melting Methods 0.000 abstract description 6
- 230000008018 melting Effects 0.000 abstract description 6
- 239000011888 foil Substances 0.000 abstract 5
- 239000003795 chemical substances by application Substances 0.000 abstract 2
- 238000007599 discharging Methods 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
- 229910052771 Terbium Inorganic materials 0.000 description 9
- 229910052715 tantalum Inorganic materials 0.000 description 9
- 229910052713 technetium Inorganic materials 0.000 description 8
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 238000009795 derivation Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000006230 acetylene black Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 229910003481 amorphous carbon Inorganic materials 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000006255 coating slurry Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 229910001120 nichrome Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-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
- H01G13/04—Drying; Impregnating
-
- 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
- H01G11/04—Hybrid capacitors
- H01G11/06—Hybrid capacitors with one of the electrodes allowing ions to be reversibly doped thereinto, e.g. lithium ion capacitors [LIC]
-
- 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
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/32—Carbon-based
- H01G11/34—Carbon-based characterised by carbonisation or activation of carbon
-
- 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
- H01G11/86—Processes for the manufacture of hybrid or EDL capacitors, or components thereof specially adapted for electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
-
- 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
- Y02E60/10—Energy storage using batteries
-
- 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)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The invention provides an electrode production apparatus and an electrode production method. When the electrode is produced, active material is formed effectively and properly at the surface of belt type base material. The electrode production apparatus includes the components as following: a discharging roller, which discharges a belt type metal foil; a coating portion, which provides active material at two sides of the metal foil; a drying portion, which drys the active material on the metal foil to form active material layers; and a winding roller, which winds the metal foil. The drying portion possesses a plurality of rod type heaters at the length direction of the metal foil, the surface of the rod type heaters are provided with melting coating films for illuminating infraed. The drying portion is divided to a plurality of areas, the thickness of the coating film at each area is set corresponding to the water film thickness of the active material agent at each area in the range that the active material agent is not boiled, and the melting coating film is set as following: the radiance is the largest in the radiance range corresponding to the largest absorptivity of water to infard.
Description
Technical field
The present invention relates to be used for form the electrode manufacturing apparatus and the electrode manufacturing method that has used this electrode manufacturing apparatus that active material layer is made electrode on the two sides of the base material of band shape.
Background technology
In recent years; Make full use of small-sized, light weight and energy density is higher, characteristic that can also repeated charge, the demand of lithium-ion capacitor (LIC:Lithium Ion Capacitor), double electric layer capacitor (EDLC:Electric Double Layer Capacitor) and lithium ion battery electrochemical elements such as (LIB:Lithium Ion Battery) enlarges rapidly.
Therefore lithium ion battery is used to fields such as mobile phone, notebook personal computer because energy density is bigger.In addition, double electric layer capacitor can discharge and recharge rapidly, therefore, and as the memory ready Miniature Power Unit of personal computer etc.And expectation is with the large-scale power supply of double electric layer capacitor as used for electric vehicle.In addition, the lithium-ion capacitor that the combination of advantages of the advantage of lithium ion battery and double electric layer capacitor is formed receives publicity owing to energy density, output density are all higher.
The electrode of such electrochemical element is performed such manufacturing: it is after the surface of metal forming that the active material mixture that will contain active material, solvent for example is coated in collector body as base material, makes this active material mixture dry and form active material layer.In the manufacture process of this electrode, use and for example emitting the electrode manufacturing apparatus that disposes applying device and drying machine between roller and the takers-in.Applying device has the coating head, and this coating capitiform becomes to be useful on the coating mouth that applies the active material mixture.In addition, drying machine has a plurality of heaters with the predetermined distance configuration.So, on one side with the metal forming of band shape emitting between roller and the takers-in to roughly carrying above the vertical, utilize applying device and drying machine to carry out the coating and the drying (patent documentation 1) of active material mixture respectively on the surface of metal forming on one side.
Patent documentation 1: TOHKEMY 2010-186782 communique
At this, when the active material mixture that makes the surface that is applied to metal forming was dry, if carry out rapid drying, then solvent was at the inner ebullition of active material mixture, thereby produces convection current, bubble sometimes.In the case, the surface of the active material layer on metal forming forms concavo-convex, can not suitably form active material layer.In addition, also might peel off in the generation of the boundary of metal forming and active material layer.
But, in patent documentation 1 described drying machine, just dispose a plurality of heaters, the countermeasure of the rapid drying of considering to be used to avoid above-mentioned with predetermined distance.Therefore, can not suitably form active material layer in the surface on metal forming.
On the other hand, also can expect disposing a plurality of above-mentioned heaters, guarantee sufficient drying time and make the dry method of active material mixture gradually.But in the case, the length of drying machine is longer, can not make the active material mixture dry effectively.
Summary of the invention
The present invention makes in view of this point, and its purpose is when making electrode suitably and effectively to form active material layer on the surface of the base material of band shape.
In order to reach above-mentioned purpose, the present invention provides a kind of electrode manufacturing apparatus, and it is used for forming active material layer on the two sides of the base material of band shape and makes electrode, and it is characterized in that this electrode manufacturing apparatus comprises: emit portion, it is used to emit base material; Reeling end, it is used to batch the base material of by the above-mentioned portion of emitting; Coating portion, it is located at above-mentioned emitting between portion and the above-mentioned reeling end, is used for the active material mixture is coated in the two sides of base material, and this active material mixture is that active material and solvent form; Drying section; It is located between above-mentioned coating portion and the above-mentioned reeling end; Be used for making in the above-mentioned coated above-mentioned active material mixture drying of coating portion and form active material layer; Above-mentioned drying section has a plurality of rod-types (rod) heater; These a plurality of rod-type heaters alignment arrangements on the length direction of base material; Be formed with the molten film that applies on the surface, be used to shine infrared ray, above-mentioned drying section is divided into because of the above-mentioned molten different different a plurality of zones of ultrared radiance that make above-mentioned rod-type heater of kind of applying film; A zone in above-mentioned a plurality of zone above-mentioned molten applied thickness on the base material in this zone of film and above-mentioned solvent and be configured to the molten film that applies in the scope that above-mentioned active material mixture do not seethe with excitement accordingly, is configured to following so molten film that applies: the ultrared radiance of above-mentioned rod-type heater has the radiance of maximum in to the corresponding radiance of ultrared maximum absorbance with above-mentioned solvent.In addition, in the present invention, the active material mixture does not seethe with excitement and is meant that the solvent in this active material mixture does not seethe with excitement.
Adopt the present invention; Drying section is divided into molten in a plurality of zones and the zone and applies the molten film that applies that film is set to the scope that the active material mixture do not seethe with excitement; Therefore; The surface of the active material layer on base material does not form concavo-convexly as in the past, can form the active material layer with smooth surface with uniform thickness.In addition, also can not peel off in the generation of the boundary of base material and active material layer.And molten in zone applied film and is set to radiance at the molten film that applies that has maximum radiance in to the corresponding radiance of ultrared maximum absorbance with solvent, therefore, can heat the active material mixture effectively and makes the active material mixture dry.And, carry out so molten setting of applying film respectively to each zone, therefore, and compared the drying time that can shorten the active material mixture in the past, can also shorten the length of drying section.As stated, adopt the present invention, can suitably and effectively form active material layer on the surface of base material.
Above-mentioned rod-type heater also can comprise the urceolus and the heater that is located at the inside of this urceolus of ceramic.
Above-mentioned solvent also can be a water.
Above-mentioned drying section also can begin to be divided into these 3 zones of upstream region, zone, middle reaches and downstream area from the above-mentioned portion's side of emitting, and the molten deposited film that is configured in the rod-type heater of above-mentioned upstream region is Al
2O
3Film (pellumina), the molten deposited film that is configured in the rod-type heater of above-mentioned downstream area is TiO
2Film (oxidation titanium film), mixed configuration has the rod-type heater of above-mentioned upstream region and the rod-type heater of above-mentioned downstream area in zone, above-mentioned middle reaches.
Above-mentioned drying section also can have and is used to supply air to the gas supply mechanism between above-mentioned a plurality of rod-type heater and the base material.
Above-mentionedly emit portion and above-mentioned reeling end also can dispose in such a way: with the length direction of base material be the short side direction (being Width) of horizontal direction and base material be vertical towards carrying base material.
Above-mentioned electrode also can be the electrode that is used for lithium-ion capacitor, double electric layer capacitor or lithium ion battery.
The present invention based on the 2nd technical scheme provides a kind of electrode manufacturing method; It is used between portion of emitting and reeling end, carrying banded base material to form active material layer on the two sides of this base material on one side on one side and makes electrode; It is characterized in that; This electrode manufacturing method comprises following operation: working procedure of coating, in coating portion, the active material mixture is coated in the two sides of base material, and this active material mixture is that active material and solvent form; Drying process; It is after working procedure of coating; In drying section, make above-mentioned active material mixture drying coated in above-mentioned working procedure of coating and form active material layer; Above-mentioned drying section has a plurality of rod-type heaters; These a plurality of rod-type heaters alignment arrangements on the length direction of base material; Be formed with the molten film that applies on the surface, be used to shine infrared ray, above-mentioned drying section is divided into because of the above-mentioned molten different different a plurality of zones of ultrared radiance that make above-mentioned rod-type heater of kind of applying film; A zone in above-mentioned a plurality of zone above-mentioned molten applied thickness on the base material in this zone of film and above-mentioned solvent and be configured to molten in the scope that above-mentioned active material mixture do not seethe with excitement accordingly and apply film, and is configured to following so molten film that applies: the ultrared radiance of above-mentioned rod-type heater has the radiance of maximum in to the corresponding radiance of ultrared maximum absorbance with above-mentioned solvent.
Above-mentioned rod-type heater also can comprise the urceolus and the heater that is located at the inside of this urceolus of ceramic.
Above-mentioned solvent also can be a water.
Above-mentioned drying section also can begin to be divided into these 3 zones of upstream region, zone, middle reaches and downstream area from the above-mentioned portion's side of emitting; The molten deposited film that is configured in the rod-type heater of above-mentioned upstream region is Al
2O
3Film; The molten deposited film that is configured in the rod-type heater of above-mentioned downstream area is TiO
2Film; Mixed configuration has the rod-type heater of above-mentioned upstream region and the rod-type heater of above-mentioned downstream area in zone, above-mentioned middle reaches.
Above-mentioned drying section also can have and is used to supply air to the gas supply mechanism between above-mentioned a plurality of rod-type heater and the base material; In above-mentioned drying process, also can utilize by infrared ray and carry out radiation heating and make above-mentioned active material mixture dry by the Convective Heating that the air of supplying with from above-mentioned gas supply mechanism carries out from above-mentioned a plurality of rod-type heaters.
Above-mentioned working procedure of coating and above-mentioned drying process also can be to be that the short side direction of horizontal direction and base material is that the base material in carrying of vertical carries out to the length direction with base material.
Above-mentioned electrode also can be the electrode that is used for lithium-ion capacitor, double electric layer capacitor or lithium ion battery.
Adopt the present invention, when making electrode, can suitably and effectively form active material layer on the surface of the base material of band shape.
Description of drawings
Fig. 1 is the summary side elevation of schematic configuration of the electrode manufacturing apparatus of this execution mode of expression.
Fig. 2 is the vertical view of schematic configuration of the electrode manufacturing apparatus of this execution mode of expression.
Fig. 3 is the end view that utilizes the electrode of electrode manufacturing apparatus manufacturing.
Fig. 4 is the vertical view that utilizes the electrode of electrode manufacturing apparatus manufacturing.
Fig. 5 is the stereogram that expression applies the schematic configuration of head.
Fig. 6 is the end view of the schematic configuration of expression drying section.
Fig. 7 is the vertical view of the schematic configuration of expression drying section.
Fig. 8 is the key diagram of the schematic configuration of expression rod-type heater.
Fig. 9 is the key diagram of the schematic configuration of expression rod-type heater.
To be expression apply the flow chart of the operation that film sets to rod-type heater molten to Figure 10.
Figure 11 is the ultrared wavelength that radiated of expression rod-type heater and the water chart to the 1st dependency relation between the ultrared absorptivity.
Figure 12 is that expression is from being formed with Al
2O
3Film is as the ultrared wavelength of the molten rod-type heater that applies film and from the chart of the 2nd dependency relation between the ultrared radiance of rod-type heater.
Figure 13 is that expression is from being formed with TiO
2Film is as the ultrared wavelength of the molten rod-type heater that applies film and from the chart of the 3rd dependency relation between the ultrared radiance of rod-type heater.
Figure 14 is the chart of expression from the 4th dependency relation between the temperature of the ultrared radiance of rod-type heater and rod-type heater.
Figure 15 is the chart of the 5th dependency relation between the temperature of the active material mixture of thickness and the rod-type heater of the water in the expression active material mixture when coming to life.
Figure 16 is the vertical view of schematic configuration of the coating portion of other execution modes of expression.
Figure 17 is the approximate vertical view of schematic configuration of the electrode manufacturing apparatus of other execution modes of expression.
Figure 18 is the end view of schematic configuration of the electrode manufacturing apparatus of other execution modes of expression.
Embodiment
Below, execution mode of the present invention is described.Fig. 1 is the summary side elevation of schematic configuration of the electrode manufacturing apparatus 1 of this execution mode of expression.Fig. 2 is the vertical view of the schematic configuration of expression electrode manufacturing apparatus 1.In addition, the electrode manufacturing apparatus 1 of this execution mode is used to make the electrode of lithium-ion capacitor.
Metal forming M is the collector body of porous matter for example.As electrode E, when making positive pole, for example, aluminium foil is used as metal forming M.On the other hand, when making negative pole, for example, Copper Foil is used as metal forming M.
In addition,, be described below, at the active material mixture of the surface applied pulp-like of metal forming M in order to form active material layer F.Make positive active material mixture when anodal and be through will be for example as the active carbon of active material, as the acrylic adhesives of sticker, as the carboxymethyl cellulose (carboxymethylcellulose) of dispersant, help the acetylene carbon black conductive carbon powders such as (acetylene black) of material to mix and in these materials, add water as solvent, generate through mixing as conduction.Negative electrode active material mixture when on the other hand, making negative pole be through will be for example as can occlusion, emit the amorphous carbon of the active material of lithium ion, as the Kynoar (polyvinylidene difluoride) of sticker, help the conductive carbon materials such as acetylene carbon black of material to mix and in these materials, add water as solvent, generate through mixing as conduction.
In anodal and negative pole, as stated, the material difference, but the width of metal forming M and active material layer F, thickness etc. do not have big difference.Therefore, electrode manufacturing apparatus 1 positive pole that can make lithium-ion capacitor also can be made negative pole.Below, anodal and negative pole is called electrode E and describes with these.
Like Fig. 1 and shown in Figure 2, electrode manufacturing apparatus 1 comprises: as the portion of emitting emit roller 10, it is used to emit metal forming M; Coating portion 11, it is used for applying the active material mixture on the two sides of metal forming M; Drying section 12, it is used to make the active material mixture drying on the metal forming M and forms active material layer F; As the takers-in 13 of reeling end, it is used to batch metal forming M.Emitting roller 10, coating portion 11, drying section 12, takers-in 13 goes up at the throughput direction (the Y direction among Fig. 1 and Fig. 2) of metal forming M and begins to dispose according to said sequence from upstream side.In addition, be provided with driving mechanism (not shown) between roller 10 and the takers-in 13 emitting, under the driving of this driving mechanism, be transferred and batched by takers-in 13 from emitting the metal forming M that roller 10 emits.
Takers-in 13 also be configured to its axially for vertical towards.Takers-in 13 can be that the center is rotated with the vertical axis.So the metal forming M that is formed with active material layer F can be batched by takers-in 13.
This is emitted roller 10 and is configured in identical height with this takers-in 13.And, be configured with takers-in 13 emitting roller 10, make length direction with metal forming M be the short side direction of horizontal direction (the Y direction among Fig. 1 and Fig. 2) and metal forming M be vertical (the Z direction among Fig. 1) towards transferring metal paper tinsel M.
Coating portion 11 has and is used in the coating of the surface applied active material mixture of metal forming M 20.Applying 20 is disposed in the both sides that emit the metal forming M in carrying between roller 10 and the takers-in 13 relative to one another.
As shown in Figure 5, apply 20 and have in vertical (the Z direction among Fig. 5) and go up the roughly rectangular shape that extends.Applying 20 forms to such an extent that the length of short side direction of ratio such as metal forming M is long.Applying the coating mouth 21 that is formed with the slit-shaped that is used to spray the active material mixture on 20 the face relative with metal forming M.Applying mouth 21 is formed extended at both sides on vertical (the Z direction among Fig. 5).In addition, apply mouthfuls 21 and be formed on the position of central portion that can the active material mixture be supplied to the short side direction of metal forming M.In addition, apply 20 and be connected with supply pipe 23, this supply pipe 23 is communicated with active material mixture supply source 22.Inner product at active material mixture supply source 22 has the active material mixture, can the active material mixture be supplied to from active material mixture supply source 22 to apply 20.
Like Fig. 1, Fig. 2 and shown in Figure 6, that drying section 12 is divided on the length direction (the Y direction among Fig. 1, Fig. 2 and Fig. 6) of metal forming M is a plurality of, for example 3 regional Ta, Tb, Tc.Below, sometimes with these 3 regional Ta, Tb, Tc from emitting roller 10 sides, promptly on the throughput direction of metal forming M, beginning to be called " upstream region Ta ", " zone, middle reaches Tb ", " downstream area Tc " from upstream side.In addition, these 3 regional Ta, Tb, Tc be according to because of after the rod-type heater 30 stated molten apply that the kind of film 34 is different to be split to form the different zone of ultrared radiance of this rod-type heater 30.
In addition, as shown in Figure 7, drying section 12 has and is used to shine ultrared a plurality of rod-type heater 30.Rod-type heater 30 is gone up alignment arrangements at the length direction (the Y direction among Fig. 7) of metal forming M.These rod-type heaters 30 are disposed in the both sides that emit the metal forming M in carrying between roller 10 and the takers-in 13.
Urceolus 32 as shown in Figure 8, that rod-type heater 30 has inner core 31 and is provided with the mode of surrounding inner core 31.The peripheral part of inner core 31 in the shape of a spiral shape be provided with nickel chrom heater 33 as heater, this nickel chrom heater 33 has nichrome wire.This nickel chrom heater 33 is arranged on the vertical (the Z direction among Fig. 8) with the length mode longer than the length of the short side direction of metal forming M.That is, rod-type heater 30 can be to the short side direction WBR infrared ray of metal forming M.In addition, the material of urceolus 32 is a pottery.In addition, inner core 31 has thermal endurance, and its material is for example pottery or aluminium oxide.
In addition, as shown in Figure 9, be formed with the molten film 34 that applies on the surface of the urceolus 32 of rod-type heater 30.In this execution mode,, be formed with Al as the molten film 34 that applies
2O
3Film (pellumina) or TiO
2Film (oxidation titanium film).
In addition, as stated, drying section 12 is divided into molten different different 3 regional Ta, Tb, the Tc of ultrared radiance that make this rod-type heater 30 of kind that apply film 34 because of rod-type heater 30.Therefore; For ease; Like Fig. 1, Fig. 2 and shown in Figure 6, the rod-type heater 30 that the rod-type heater 30 that sometimes the rod-type heater 30 that is configured in upstream region Ta in a plurality of rod-type heaters 30 is called " upper reaches rod-type heater 30a ", will be configured in middle reaches zones Tb is called " middle reaches rod-type heater 30b ", will be configured in downstream area Tc is called " downstream rod-type heater 30c ".In addition, the molten method of applying the kind of film 34 for setting on these upper reaches rod-type heater 30a, middle reaches rod-type heater 30b, the downstream rod-type heater 30c specifies in following.
In addition, as shown in Figure 7, drying section 12 has reflecting plate 40, and this reflecting plate 40 relatively disposes across rod-type heater 30 surface with metal forming M, is used to make infrared ray from rod-type heater 30 to metal forming M lateral reflection.Reflecting plate 40 extends on vertical with the mode that covers rod-type heater 30, and goes up extension with the mode that covers a plurality of rod-type heaters 30 at the length direction (the Y direction among Fig. 7) of metal forming M.So, be reflected plate 40 reflections and radiating of the infrared ray that emits to an opposite side from rod-type heater 30 to metal forming M with metal forming M.In addition, this reflecting plate 40 is disposed in the both sides that emit the metal forming M in carrying between roller 10 and the takers-in 13.
In reflecting plate 40, be formed with a plurality of air supply openings 41 that are formed on the arid region D between this reflecting plate 40 and the metal forming M that are used for supplying air to.On each air supply opening 41, be respectively equipped with the supply pipe 42 that is used for supplying air to this air supply opening 41.Supply pipe 42 is communicated with air supply source 43.Inner product at air supply source 43 has air, for example dry air etc.In addition, supply to air in the D of arid region after the Surface runoff of metal forming M from air supply opening 41, the end of D is discharged from from the arid region.In addition, above-mentioned air supply opening 41, supply pipe 42 and air supply source 43 have constituted gas supply mechanism of the present invention.
As shown in Figure 1, in above electrode manufacturing apparatus 1, be provided with control part 50.Control part 50 is for example computer, has program storage part (not shown).In program storage part, store the program of controlling in the processing that electrode manufacturing apparatus 1 is made electrode E being used for.In addition, said procedure also can be recorded among the storage medium H of embodied on computer readable such as the hard disk of embodied on computer readable (HD), floppy disk (FD), CD (CD), photomagneto disk (M0), storage card for example and be installed to the program the control part 50 from this storage medium H.
Then, the molten method of setting on above-mentioned upper reaches rod-type heater 30a, middle reaches rod-type heater 30b, the downstream rod-type heater 30c of applying the kind of film 34 is described.
At first, the molten method of applying the kind of film 34 of setting upper reaches rod-type heater 30a is described.Figure 10 representes to set the molten flow process of applying film 34 of upper reaches rod-type heater 30a.Upper reaches rod-type heater 30a molten apply solvent in film 34 and the active material mixture that in upstream region Ta, is dried, be that the thickness of water is set the molten film that applies in the scope that this active material mixture do not seethe with excitement accordingly, be set to following so molten film that applies: the ultrared radiance of upper reaches rod-type heater 30a has maximum radiance with water in to the corresponding radiance of ultrared maximum absorbance.In addition, the active material mixture does not seethe with excitement and is meant that the water in this active material mixture does not seethe with excitement.
Particularly, shown in figure 11, derive in advance and be used for representing ultrared wavelength (transverse axis of Figure 11) that rod-type heater 30 is radiated and water the 1st dependency relation the relation between the ultrared absorptivity (longitudinal axis among Figure 11).Derive the 1st dependency relation (the operation A1 of Figure 10) to the thickness of the water in the active material mixture.In addition, the thickness of the thickness of water and active material mixture self is roughly the same.In addition, in illustrated example, the thickness of water exists 10 μ m and these two kinds of 2 μ m, but in fact also derives the 1st dependency relation in advance to other thickness.
In addition, shown in figure 12, derivation in advance is used for expression from being formed with Al
2O
3Film is as the ultrared wavelength (transverse axis among Figure 12) of the molten rod-type heater 30 that applies film 34 and from the 2nd dependency relation of the relation between the ultrared radiance (longitudinal axis among Figure 12) of rod-type heater 30.Equally, shown in figure 13, derivation in advance is used for expression from being formed with TiO
2Film is as the ultrared wavelength (transverse axis among Figure 13) of the molten rod-type heater 30 that applies film 34 and from the 3rd dependency relation (the operation A1 of Figure 10) of the relation between the ultrared radiance (longitudinal axis among Figure 13) of rod-type heater 30.In addition, from the ultrared radiance of rod-type heater 30 be meant see through weld film 34 from the infrared ray of rod-type heater 30 irradiations with respect to ultrared ratio from nickel chrom heater 33 irradiations.
In addition, shown in figure 14, derive the 4th dependency relation (the operation A1 of Figure 10) of the relation between the temperature (longitudinal axis among Figure 14) of the ultrared radiance (transverse axis of Figure 14) be used for representing from rod-type heater 30 and rod-type heater 30 in advance.In addition, the temperature of rod-type heater 30 is meant by the temperature of the urceolus 32 of nickel chrom heater 33 heating.
In addition; Shown in figure 15, derive the 5th dependency relation (the operation A1 of Figure 10) of the relation between the temperature when the active material mixture comes to life (longitudinal axis among Figure 15) of thickness (transverse axis among Figure 15) and rod-type heater 30 of the water be used for representing the active material mixture in advance.In addition, in Figure 15, leaning on upside than the 5th dependency relation, be the temperature of rod-type heater 30 when higher than the temperature of the 5th dependency relation, the active material mixture seethes with excitement.On the other hand, in Figure 15, below leaning on than the 5th dependency relation, be the temperature of rod-type heater 30 when lower than the temperature of the 5th dependency relation, the active material mixture does not seethe with excitement.
Then, the thickness of the water in the active material mixture that in upstream region Ta, is dried is inferred (the operation A2 of Figure 10).In this execution mode, the thickness of this water is estimated to be for example 10 μ m.
Then, be based on the thickness of the water of inferring among the operation A2, use the 1st dependency relation, derive with water to the corresponding ultrared wavelength of ultrared maximum absorbance (below, be sometimes referred to as " peak wavelength ".) (the operation A3 of Figure 10).In this execution mode, with the corresponding peak wavelength of thickness 10 μ m of water be 3 μ m.
Then, be based on the peak wavelength of deriving among the operation A3, use the 2nd dependency relation, derive from being formed with Al
2O
3Film is as molten ultrared radiance (the operation A4 of Figure 10) of applying the upper reaches rod-type heater 30a of film 34.In this execution mode, with the corresponding ultrared radiance of peak wavelength 3 μ m from upper reaches rod-type heater 30a be 0.6.
Equally, be based on the peak wavelength of deriving among the operation A3, use the 3rd dependency relation, derive from being formed with TiO
2Film is as molten ultrared radiance (the operation A4 of Figure 10) of applying these upper reaches rod-type heater 30a of film 34.In this execution mode, with the corresponding ultrared radiance of peak wavelength 3 μ m from upper reaches rod-type heater 30a be 0.7.
Then, be based on the ultrared radiance that derives among the operation A4, use the 4th dependency relation, derive the temperature (the operation A5 of Figure 10) of upper reaches rod-type heater 30a from upper reaches rod-type heater 30a.In this execution mode, be formed with Al
2O
3The temperature of the upper reaches rod-type heater 30a of film is 150 ℃.In addition, be formed with TiO
2The temperature of the upper reaches rod-type heater 30a of film is 180 ℃.
Then, be based on the thickness of the water of inferring among the operation A2 and the temperature of the upper reaches rod-type heater 30a that in operation A5, derives, use the 5th dependency relation, judge whether the active material mixture seethes with excitement (the operation A6 of Figure 10).
Then, in operation A6, be judged as for being formed with Al
2O
3The situation of film be formed with TiO
2Under the situation that in the situation of film any one, active material mixture do not seethe with excitement, the higher the sort of molten film that applies of the radiance that will in operation A4, derive is set at the deposited film 34 (the operation A7 of Figure 10) of melting of upper reaches rod-type heater 30a.
In addition, in operation A6, be judged to be for being formed with Al
2O
3The situation of film be formed with TiO
2Under the situation that a certain situation in the situation of film, active material mixture do not seethe with excitement, the molten deposited film of this sort of situation of not seething with excitement is set at the molten film 34 (the operation A7 of Figure 10) that applies of upper reaches rod-type heater 30a.
In addition, in operation A6, be judged as for being formed with Al
2O
3The situation of film be formed with TiO
2Under the situation that in the situation of film any one, active material mixture all seethe with excitement, turn back to above-mentioned operation A3, carry out operation A3～A6.Particularly, in operation A3, use the 1st dependency relation, the corresponding peak wavelength of absorptivity of derivation and the maximum except that maximum absorbance.That is, derive peak wavelength 6 μ m.Then, peak wavelength 6 μ m are carried out above-mentioned operation A3～A6.Then, carry out above-mentioned operation A3～A6 repeatedly, do not seethe with excitement up in operation A6, judging the active material mixture.
In this execution mode, in operation A6, with respect to the thickness 10 μ m of water, the temperature of the 5th dependency relation is 160 ℃.With respect to this, that in operation A5, derives is formed with Al
2O
3The temperature of the upper reaches rod-type heater 30a of film is 150 ℃, is formed with TiO
2The temperature of the upper reaches rod-type heater 30a of film is 180 ℃.Like this, be formed with Al
2O
3The active material mixture does not seethe with excitement during film, but is being formed with TiO
2Active material mixture boiling during film.Thereby, with Al
2O
3Film is set at the molten film 34 (the operation A7 of Figure 10) that applies of upper reaches rod-type heater 30a.
For the molten kind of applying film 34 of downstream rod-type heater 30c, set through carrying out above-mentioned operation A1～A7 too.So in this execution mode, the molten film 34 that applies of downstream rod-type heater 30c is set to TiO
2Film.
In addition, in this execution mode, in the Tb of zone, middle reaches, mixed configuration upper reaches rod-type heater 30a and downstream rod-type heater 30c.That is, be mixed with and be formed with Al
2O
3The rod-type heater 30 of film be formed with TiO
2The rod-type heater 30 of the rod-type heater 30 of film is used as middle reaches rod-type heater 30b.In the case, upper reaches rod-type heater 30a among the Tb of zone, middle reaches and downstream rod-type heater 30c can configurations at random in the scope that active material mixture S does not seethe with excitement.Particularly, the adjustment of carrying out for active material mixture S is not seethed with excitement for example both can be through having made upper reaches rod-type heater 30a and downstream rod-type heater 30c the ratio change of number adjust, or for example also can adjust through the interval change that makes configuration upper reaches rod-type heater 30a and downstream rod-type heater 30c.In either case, in the Tb of zone, middle reaches, active material mixture S does not seethe with excitement.In addition, with Al
2O
3Film or TiO
2Film is set at and melts when applying film 34, preferentially sets the higher the sort of molten film that applies of radiance.
The electrode manufacturing apparatus 1 of this execution mode constitutes as above-mentioned.The processing of then, being used to of utilizing that this electrode manufacturing apparatus 1 carries out being made electrode E describes.
Emit metal forming M from emitting roller 10, be transported to coating portion 11.In coating portion 11, the active material mixture S of pulp-like is coated to the surface of the metal forming M the conveying from applying 20.At this moment, through supplying with active material mixture S, apply active material mixture S simultaneously with uniform thickness on the two sides of metal forming M from the coating of the both sides that are configured in metal forming M 20,20.In addition, will be coated in the central portion of the short side direction of metal forming M from the active material mixture S of coating 20 supply.And, through supplying with active material mixture S intermittently, active material mixture S is coated in a plurality of zones on the length direction of metal forming M from applying 20.
Then, the metal forming M that is coated with active material mixture S is transported to drying section 12.In drying section 12, utilize the origin self-configuring at the radiation heating that the infrared ray of a plurality of rod-type heaters 30 of the both sides of metal forming M and a plurality of reflecting plate 40 carries out, make the active material mixture S on two sides of metal forming M dry.At this moment, as stated, the surface of rod-type heater 30a is formed with Al at the upper reaches
2O
3Film 34 is applied in melting of film, the surface of rod-type heater 30b is formed with Al in middle reaches
2O
3Film or TiO
2Film 34 is applied in melting of film, the surface of rod-type heater 30c is formed with TiO in downstream
2The molten film 34 that applies of film.So active material mixture S can not seethe with excitement, active material mixture S absorbs infrared ray to greatest extent, thereby utilizes above-mentioned rod-type heater 30 to make active material mixture S dry successively.
In addition, in drying section 12,, utilize the Convective Heating of being undertaken, make the active material mixture S drying on the two sides of metal forming M by the air of in the D of arid region, supplying with from air supply opening 41 in the both sides of metal forming M.And; Because the effect that in the D of arid region, produces from air supply opening 41 air-flow of the end of D towards the arid region; Flow to the end of arid region D swimmingly from the water of active material mixture S evaporation, this vaporized water can not be attached to metal forming M again and just be removed.Make the active material mixture S drying on the two sides of metal forming M like this, form the active material layer F of the thickness of regulation on the two sides of this metal forming M.
Then, the metal forming M that is formed with active material layer F is transported to takers-in 13, is batched by this takers-in 13.Like this, a series of processing of in electrode manufacturing apparatus 1, carrying out finishes, and has made electrode E.
Adopt above execution mode; Drying section 12 is divided into 3 regional Ta, Tb, Tc; Each regional Ta, Tb, Tc molten applied the molten film that applies that film 34 is set to the scope that active material mixture S do not seethe with excitement; Therefore, the surface of the active material layer on metal forming does not form concavo-convexly as in the past, but can form the active material layer F with smooth surface with uniform thickness.In addition, also can not peel off in the generation of the boundary of metal forming M and active material layer F.And; Each regional Ta, Tb, Tc molten applied film 34 and is set to radiance at the molten film that applies that has maximum radiance in to the corresponding radiance of ultrared maximum absorbance with water; Therefore, can effectively heat active material mixture S and make active material mixture S dry.And, carry out so molten setting of applying film 34 one by one to each regional Ta, Tb, Tc, therefore, also can make the contraction in length of drying section 12 than shortened in the past the drying time that can make active material mixture S.As stated, adopt this execution mode, can suitably and effectively form active material layer F on the surface of metal forming M.
In addition; In drying section 12; The radiation heating that utilization is undertaken by the infrared ray from a plurality of rod-type heaters 30 and reflecting plate 40, by the Convective Heating that the air of in the D of arid region, supplying with from air supply opening 41 carries out, make the active material mixture S on the metal forming M dry.Therefore the drying means of two kinds that the Convective Heating of having used the radiation heating that undertaken by infrared ray like this and having been undertaken by air is such, can further suitably make this active material mixture S dry.In addition, when using the radiation heating that is undertaken by infrared ray, the distance ground that ultrared radiant heat can not exist with ... between rod-type heater 30 and reflecting plate 40 and the metal forming M is conducted.Thereby, can not receive the warpage of metal forming M, the influence of inclination, just can suitably heat active material mixture S.
In addition, in drying section 12, can make from the air-flow of air supply opening 41 to be created in the D of arid region towards the end of arid region D.Because this air-flow, the end of water D from the arid region of evaporation was discharged from when the active material mixture S on making metal forming M was dry, and therefore, the water of this evaporation can not be attached to the surface of metal forming M again.Thereby, can further suitably make the active material mixture S on the metal forming M dry.
In addition, reflecting plate 40 relatively disposes across rod-type heater 30 surface with metal forming M, therefore, and be reflected plate 40 reflections and emitting on the metal forming M of the infrared ray that emits to a side opposite from rod-type heater 30 with metal forming M.Thereby, can utilize all infrared rays, can make the active material mixture S on the metal forming M dry effectively.
In addition, in coating portion 11, with the length direction of metal forming M be horizontal direction towards transferring metal paper tinsel M, therefore, the active material mixture S that is coated in the surface of metal forming M can not flow to the upstream side or the downstream of the throughput direction of this metal forming M.In addition, with the short side direction of metal forming M be vertical towards transferring metal paper tinsel M, therefore, can apply active material mixture S equably on the two sides of metal forming M.Like this, active material mixture S can be in coating portion 11, suitably applied, therefore, active material layer F can be on metal forming M, suitably formed.
In addition, emitting between roller 10 and the takers-in 13, with the length direction of metal forming M be horizontal direction towards transferring metal paper tinsel M, therefore, can make the constant height of metal forming M and lower, be easy to carry out the maintenance of electrode manufacturing apparatus 1.Thereby, can form active material layer F effectively on the surface of metal forming M.
In above execution mode, will melt deposited film 34 and be set at Al
2O
3Film or TiO
2In the film any one, but the present invention also can be applied to set the molten situation of applying film of other kinds.In the case, according to molten kind of applying film 34, in operation A1, derive the 2nd dependency relation shown in Figure 12 and the 3rd dependency relation shown in Figure 13 in advance.Then,, can suitably set the molten film 34 that applies of the rod-type heater 30 of drying section 12, can suitably make the active material mixture dry through carrying out operation A2～A7.
In addition, in above execution mode, will melt deposited film 34 and be set at Al
2O
3Film or TiO
2In these two kinds of film any one, but also can be set at the above molten film that applies of 3 kinds.In the case, rod-type heater 30b also carries out above-mentioned operation A1～operation A7 to middle reaches, thereby sets the molten film 34 that applies of these middle reaches rod-type heater 30b.That is, the molten molten molten film 34 that applies that applies on film 34, the downstream rod-type heater 30c that applies film 34, middle reaches rod-type heater 30b with upper reaches rod-type heater 30a is set at the different separately molten films that applies.
In addition, in above execution mode, drying section 12 has been divided into 3 regional Ta, Tb, Tc, but the quantity in the zone that drying section 12 is split to form is not limited to this execution mode, can at random set.For example, both can drying section 12 be divided into two zones, also can drying section 12 be divided into the zone more than 4.In either case, as long as set the deposited film 34 of melting of each regional rod-type heater 30, just can not make active material mixture S boiling, thereby can suitably make this active material mixture S dry through carrying out above-mentioned operation A1～A7.
In addition, in above execution mode, be that the situation of water is illustrated to the solvent of active material mixture S, but at the solvent of active material mixture for other material, for example also can use the present invention under the situation of organic solvent.In the case, according to solvent types, in operation A1, derive the 1st dependency relation shown in Figure 11 and the 5th dependency relation shown in Figure 15 in advance.Then, through carrying out operation A2～A7, can suitably set the molten of rod-type heater 30 of drying section 12 and apply film 34, thereby can suitably make active material mixture S dry.
In the electrode manufacturing apparatus 1 of above execution mode, as the portion of emitting, be provided with and emit roller 10, but the structure of emitting portion is not limited to this execution mode, just can adopt various structures so long as be used to emit the structure of metal forming M.Equally, as reeling end, be provided with takers-in 13, but the structure of reeling end is not limited to this execution mode, just can adopts various structures so long as be used to batch the structure of metal forming M.
In addition, in the coating portion 11 of above execution mode, be provided with and apply 20, but the structure of coating portion 11 is not limited to this execution mode, so long as can just can adopt various structures in the structure of the surface applied active material mixture S of metal forming M.
For example, in above execution mode, apply 20,20 be arranged on metal forming M relative to one another both sides, but also can be any one apply 20 and be configured in than another and apply 20 a position by the downstream.In addition, apply 20 quantity and be not limited to this execution mode, also can dispose a plurality of coatings 20 respectively in the both sides of metal forming M.
In addition, for example, in coating portion 11, also can use the surface applied active material mixture S of spray regime at metal forming M.
In addition, for example shown in figure 16, coating portion 11 also can comprise: roller 100, and it is used for the surperficial butt of metal forming M the active material mixture S of coating coating slurry shape on this metal forming M; Nozzle 101, it is used for active material mixture S is supplied to the surface of roller 100.This roller 100 and nozzle 101 all are disposed in the both sides that emit the metal forming M in carrying between roller 10 and the takers-in 13 relative to one another.
Axially on vertical, extending of roller 100, and can be that the center is rotated with its vertical axis.In addition, roller 100 be formed on metal forming M on the identical length of the length of vertical of active material layer F extend, and be configured in the position of central portion that can active material mixture S be supplied to the short side direction of metal forming M.
In the case, in coating portion 11, from nozzle 101 active material mixture S supplied to the surface of roller 100 on one side, make the surperficial butt of the roller 100 that is attached with this active material mixture S and metal forming M on one side.Like this, the active material mixture S that is attached to the surface of roller 100 is needed on the surface of metal forming M, thereby active material mixture S is coated in the surface of this metal forming M.
Adopt this execution mode, when the surface applied active material mixture S of metal forming M,, can adjust the thickness of active material mixture S through the distance between the surface of the surface of this roller 100 self and metal forming M is adjusted from roller 100.Thereby, can apply active material mixture S with more uniform thickness on the surface of metal forming M.
In the electrode manufacturing apparatus 1 of above execution mode; With the length direction of metal forming M be the short side direction of horizontal direction and metal forming M be vertical towards having carried metal forming M; But like Figure 17 and shown in Figure 180, the short side direction that also can be horizontal direction (the Y direction among Figure 17 and Figure 18) and metal forming M with the length direction of metal forming M be horizontal direction (directions X among Figure 17) towards transferring metal paper tinsel M.In the case, emit roller 10 and be configured in identical height with takers-in 13.In addition, emit roller 10 and takers-in 13 be configured to respectively separately axially for horizontal direction (directions X among Figure 14) towards.Under the situation of the electrode manufacturing apparatus 1 that uses this execution mode, also can enjoy the effect of above-mentioned execution mode.
In above execution mode, on the length direction of metal forming M, be formed with a plurality of active material layer F, but when formation had the electrode E of an active material layer F, electrode manufacturing apparatus 1 of the present invention also was useful.
In addition, in above execution mode, in electrode manufacturing apparatus 1, formed active material layer F on the two sides of metal forming M, but for the punching press that forms processing that electrode E also carries out other, for example metal forming M, cut-out etc.Electrode manufacturing apparatus 1 also can also carry out above-mentioned other processing emitting continuously between roller 10 and the takers-in 13.
In addition; In above execution mode; Situation to the electrode E that makes lithium-ion capacitor is illustrated, but when the electrode that is used for double electric layer capacitor, the electrode that is used for lithium ion battery are made, also can use electrode manufacturing apparatus 1 of the present invention.In the case, as long as change the material of metal forming M, the material of active material mixture S etc. according to the kind of the electrode of manufacturing.
More than, with reference to description of drawings preferred embodiment of the present invention, but the present invention is not limited to this example.So long as those skilled in the art obviously just can expect various change examples and modification in the described thought range of claims,, also be considered to belong to protection scope of the present invention certainly for these change example and modification.
Description of reference numerals
1, electrode manufacturing apparatus; 10, emit roller; 11, coating portion; 12, drying section; 13, takers-in; 30, rod-type heater; 30a, upper reaches rod-type heater; 30b, middle reaches rod-type heater; 30c, downstream rod-type heater; 31, inner core; 32, urceolus; 33, nickel chrom heater; 34, the molten film that applies; 40, reflecting plate; 41, air supply opening; 42, supply pipe; 43, air supply source; 50, control part; D, arid region; E, electrode; F, active material layer; M, metal forming; S, active material mixture; Ta, upstream region; Tb, zone, middle reaches; Tc, downstream area.
Claims (14)
1. electrode manufacturing apparatus, it is used for forming active material layer on the two sides of the base material of band shape and makes electrode, it is characterized in that,
This electrode manufacturing apparatus comprises:
Emit portion, it is used to emit base material;
Reeling end, it is used to batch the base material of by the above-mentioned portion of emitting;
Coating portion, it is located at above-mentioned emitting between portion and the above-mentioned reeling end, is used for the active material mixture is coated in the two sides of base material, and this active material mixture is that active material and solvent form;
Drying section, it is located between above-mentioned coating portion and the above-mentioned reeling end, is used for making in the above-mentioned coated above-mentioned active material mixture drying of coating portion forming active material layer,
Above-mentioned drying section has a plurality of rod-type heaters, and these a plurality of rod-type heaters alignment arrangements on the length direction of base material is formed with the molten film that applies on the surface, is used to shine infrared ray,
Above-mentioned drying section is divided into because of the above-mentioned molten different different a plurality of zones of ultrared radiance that make above-mentioned rod-type heater of kind of applying film,
A zone in above-mentioned a plurality of zone above-mentioned molten applied thickness on the base material in this zone of film and above-mentioned solvent and be configured to molten in the scope that above-mentioned active material mixture do not seethe with excitement accordingly and apply film, and is configured to following so molten film that applies: the ultrared radiance of above-mentioned rod-type heater has the radiance of maximum in to the corresponding radiance of ultrared maximum absorbance with above-mentioned solvent.
2. electrode manufacturing apparatus according to claim 1 is characterized in that,
Above-mentioned rod-type heater comprises the urceolus and the heater that is located at the inside of this urceolus of ceramic.
3. electrode manufacturing apparatus according to claim 1 is characterized in that,
Above-mentioned solvent is a water.
4. electrode manufacturing apparatus according to claim 3 is characterized in that,
Above-mentioned drying section begins to be divided into these 3 zones of upstream region, zone, middle reaches and downstream area from the above-mentioned portion's side of emitting;
The molten deposited film that is configured in the rod-type heater of above-mentioned upstream region is Al
2O
3Film;
The molten deposited film that is configured in the rod-type heater of above-mentioned downstream area is TiO
2Film;
Mixed configuration has the rod-type heater of above-mentioned upstream region and the rod-type heater of above-mentioned downstream area in zone, above-mentioned middle reaches.
5. according to any described electrode manufacturing apparatus in the claim 1～4, it is characterized in that,
Above-mentioned drying section has and is used to supply air to the gas supply mechanism between above-mentioned a plurality of rod-type heater and the base material.
6. according to any described electrode manufacturing apparatus in the claim 1～4, it is characterized in that,
Emit portion and above-mentioned reeling end is configured to above-mentioned, make length direction with base material be the short side direction of horizontal direction and base material be vertical towards carrying base material.
7. according to any described electrode manufacturing apparatus in the claim 1～4, it is characterized in that,
Above-mentioned electrode is the electrode that is used for lithium-ion capacitor, double electric layer capacitor or lithium ion battery.
8. electrode manufacturing method, it is used between portion of emitting and reeling end, carrying banded base material to form active material layer on the two sides of this base material on one side on one side and makes electrode, it is characterized in that,
This electrode manufacturing method comprises following operation:
Working procedure of coating is coated in the active material mixture two sides of base material in coating portion, this active material mixture is that active material and solvent form;
Drying process, it makes above-mentioned active material mixture drying coated in above-mentioned working procedure of coating and the formation active material layer in drying section after working procedure of coating,
Above-mentioned drying section has a plurality of rod-type heaters, and these a plurality of rod-type heaters alignment arrangements on the length direction of base material is formed with the molten film that applies on the surface, is used to shine infrared ray,
Above-mentioned drying section is divided into because of the above-mentioned molten different different a plurality of zones of ultrared radiance that make above-mentioned rod-type heater of kind of applying film,
A zone in above-mentioned a plurality of zone above-mentioned molten applied thickness on the base material in this zone of film and above-mentioned solvent and be configured to molten in the scope that above-mentioned active material mixture do not seethe with excitement accordingly and apply film, and is configured to following so molten film that applies: the ultrared radiance of above-mentioned rod-type heater has the radiance of maximum in to the corresponding radiance of ultrared maximum absorbance with above-mentioned solvent.
9. electrode manufacturing method according to claim 8 is characterized in that,
Above-mentioned rod-type heater comprises the urceolus and the heater that is located at the inside of this urceolus of ceramic.
10. electrode manufacturing method according to claim 8 is characterized in that,
Above-mentioned solvent is a water.
11. electrode manufacturing method according to claim 10 is characterized in that,
Above-mentioned drying section begins to be divided into these 3 zones of upstream region, zone, middle reaches and downstream area from the above-mentioned portion's side of emitting;
The molten deposited film that is configured in the rod-type heater of above-mentioned upstream region is Al
2O
3Film;
The molten deposited film that is configured in the rod-type heater of above-mentioned downstream area is TiO
2Film;
Mixed configuration has the rod-type heater of above-mentioned upstream region and the rod-type heater of above-mentioned downstream area in zone, above-mentioned middle reaches.
12. any described electrode manufacturing method according to Claim 8～11 is characterized in that,
Above-mentioned drying section has and is used to supply air to the gas supply mechanism between above-mentioned a plurality of rod-type heater and the base material;
In above-mentioned drying process, utilize the radiation heating that undertaken by infrared ray and make above-mentioned active material mixture dry by the Convective Heating that the air of supplying with from above-mentioned gas supply mechanism carries out from above-mentioned a plurality of rod-type heaters.
13. any described electrode manufacturing method according to Claim 8～11 is characterized in that,
Above-mentioned working procedure of coating and above-mentioned drying process are to be that the short side direction of horizontal direction and base material is that the base material in carrying of vertical carries out to the length direction with base material.
14. any described electrode manufacturing method according to Claim 8～11 is characterized in that,
Above-mentioned electrode is the electrode that is used for lithium-ion capacitor, double electric layer capacitor or lithium ion battery.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-004726 | 2011-01-13 | ||
| JP2011004726A JP5271365B2 (en) | 2011-01-13 | 2011-01-13 | Electrode manufacturing apparatus, electrode manufacturing method, program, and computer storage medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102593422A true CN102593422A (en) | 2012-07-18 |
Family
ID=46481787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100116333A Pending CN102593422A (en) | 2011-01-13 | 2012-01-12 | Electrode production apparatus and electrode production method |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5271365B2 (en) |
| KR (1) | KR20120082351A (en) |
| CN (1) | CN102593422A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61110989A (en) * | 1984-11-06 | 1986-05-29 | 松下電器産業株式会社 | Far infrared heater |
| JP2004071472A (en) * | 2002-08-08 | 2004-03-04 | Matsushita Electric Ind Co Ltd | Drying device of coating sheet, and drying method of coating sheet |
| JP2006073234A (en) * | 2004-08-31 | 2006-03-16 | Sanyo Electric Co Ltd | Method of manufacturing non-aqueous electrolyte secondary battery and electrode plate dryer for non-aqueous electrolyte secondary battery |
| JP2007180107A (en) * | 2005-12-27 | 2007-07-12 | Tdk Corp | Manufacturing method and apparatus of electrode for electrochemical capacitor |
| US20100269366A1 (en) * | 2009-04-28 | 2010-10-28 | Mitsubishi Heavy Industries, Ltd. | Drying device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0261974A (en) * | 1988-08-26 | 1990-03-01 | Matsushita Electric Ind Co Ltd | Far infrared heater |
| JP2001176502A (en) * | 1999-10-06 | 2001-06-29 | Matsushita Electric Ind Co Ltd | Method of manufacturing electrode for battery |
| JP2008130740A (en) * | 2006-11-20 | 2008-06-05 | Mitsubishi Electric Corp | Electric double-layer capacitor electrode and manufacturing method therefor |
-
2011
- 2011-01-13 JP JP2011004726A patent/JP5271365B2/en not_active Expired - Fee Related
-
2012
- 2012-01-05 KR KR1020120001481A patent/KR20120082351A/en not_active Application Discontinuation
- 2012-01-12 CN CN2012100116333A patent/CN102593422A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61110989A (en) * | 1984-11-06 | 1986-05-29 | 松下電器産業株式会社 | Far infrared heater |
| JP2004071472A (en) * | 2002-08-08 | 2004-03-04 | Matsushita Electric Ind Co Ltd | Drying device of coating sheet, and drying method of coating sheet |
| JP2006073234A (en) * | 2004-08-31 | 2006-03-16 | Sanyo Electric Co Ltd | Method of manufacturing non-aqueous electrolyte secondary battery and electrode plate dryer for non-aqueous electrolyte secondary battery |
| JP2007180107A (en) * | 2005-12-27 | 2007-07-12 | Tdk Corp | Manufacturing method and apparatus of electrode for electrochemical capacitor |
| US20100269366A1 (en) * | 2009-04-28 | 2010-10-28 | Mitsubishi Heavy Industries, Ltd. | Drying device |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20120082351A (en) | 2012-07-23 |
| JP5271365B2 (en) | 2013-08-21 |
| JP2012146849A (en) | 2012-08-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5421934B2 (en) | Electrode manufacturing apparatus and electrode manufacturing method | |
| CN102592834A (en) | Electrode manufacturing apparatus, electrode manufacturing method and computer storage medium | |
| CN102405544B (en) | Method for producing electrode for battery and coating die used in the method | |
| US20100084776A1 (en) | Method for producing semiconductor particles | |
| JP2016517139A (en) | Apparatus for material spray deposition of high solids ratio slurry for battery active material production applications | |
| JP5271366B2 (en) | Electrode manufacturing apparatus, electrode manufacturing method, program, and computer storage medium | |
| CN1633728A (en) | Secondary battery and production method for secondary battery and production device for secondary battery | |
| EP3355385B1 (en) | Electrode coating apparatus | |
| JP2001176502A (en) | Method of manufacturing electrode for battery | |
| JP6122841B2 (en) | Precursor formulations for battery active material synthesis | |
| CN210220540U (en) | Lithium battery pole piece microwave drying device | |
| CN102593422A (en) | Electrode production apparatus and electrode production method | |
| CN102593421A (en) | Electrode production apparatus and electrode production method | |
| TWI664776B (en) | Battery manufacturing device | |
| JP5790353B2 (en) | Powder rolling apparatus and rolled sheet manufacturing method | |
| KR101715763B1 (en) | Polymer transfer method and apparatus on the cathode active material | |
| JP4975909B2 (en) | Method for producing negative electrode for lithium ion secondary battery | |
| KR101842145B1 (en) | Apparatus for manufacturing battery electrode | |
| CN109550659A (en) | Drying means and drying device | |
| CN107658466A (en) | A kind of production equipment of lithium manganate battery material | |
| JPWO2012023432A1 (en) | Ceramic powder molded body molding apparatus and method for manufacturing the same | |
| CN114400295A (en) | Ion battery electrode plate, preparation method thereof, device for preparing ion battery electrode plate and ion battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120718 |