CN102592834A - Electrode manufacturing apparatus, electrode manufacturing method and computer storage medium - Google Patents
Electrode manufacturing apparatus, electrode manufacturing method and computer storage medium Download PDFInfo
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- CN102592834A CN102592834A CN2012100103210A CN201210010321A CN102592834A CN 102592834 A CN102592834 A CN 102592834A CN 2012100103210 A CN2012100103210 A CN 2012100103210A CN 201210010321 A CN201210010321 A CN 201210010321A CN 102592834 A CN102592834 A CN 102592834A
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- base material
- active material
- intermixture
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
- A01G9/029—Receptacles for seedlings
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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 present invention provides an electrode manufacturing apparatus which can properly and efficiently form an active substance layer on a surface of a banded base material in the process of manufacturing the electrode. The electrode manufacturing apparatus (1) comprises: an unwinding roller (10) used for unwinding a banded metal foil (M); a coating part (11) used for coating an active substance mixture on two sides of the metal foil (M); a drying part (12) used for drying the active substance mixture on the metal foil (M) to form the active substance layer; and a winding roller (13) used for winding the metal foil (M). The unwinding roller (10), the coating part (11), the drying part (12) and the winding roller (13) are arranged in order in a carrying direction of the metal foil (M) from an upstream side. The unwinding roller (10) and the winding roller (13) are configured to carry the metal foil (M) by taking a length direction of the metal foil (M) as a horizontal direction and taking a width direction of the metal foil (M) as a vertical direction.
Description
Technical field
The present invention relates to form active material layer to make electrode manufacturing apparatus, the electrode manufacturing method that uses this electrode manufacturing apparatus and the computer-readable storage medium of electrode on the two sides of the base material of band shape.
Background technology
In recent years; Apply flexibly the characteristic that small-sized, light weight and energy density are high and can repeat to discharge and recharge, the needs of the electrochemical element of lithium-ion capacitor (LIC:Lithium Ion Capacitor), electric double layer capacitor (EDLC:Electric Double Layer Capacitor) and lithium ion battery (LIB:LithiumIon Battery) etc. are expansion fast.
Lithium ion battery is because energy density is bigger, so be used in fields such as mobile phone, subnotebook PC.In addition, electric double layer capacitor is because can fast charging and discharging, so be used as the memory reserve Miniature Power Unit of PC etc.And electric double layer capacitor also is applied as the application of the large-scale power supply of used for electric vehicle by expectation.In addition, the lithium-ion capacitor of advantage that has made up advantage and the electric double layer capacitor of lithium ion battery is paid close attention to because of energy density, output density are all high.
The electrode of such electrochemical element for example can be according to after containing the active material intermixture of active material and solvent in the surface applied as the metal forming of the collector body of base material, and the mode that dry this active material intermixture forms active material layer is made.In the manufacturing of this electrode, for example use the electrode manufacturing apparatus that between let off roll and takers-in, disposes applying device and drying machine.Applying device has the coating head that is formed with the coating mouth that is used to apply the active material intermixture.Drying machine has a plurality of heaters with the predetermined distance configuration in addition.And, in the banded metal forming of conveyance above approximately vertical on one side between let off roll and the takers-in, through applying device and drying machine the surface of metal forming respectively carried out coating and the drying (patent documentation 1) of active material intermixture on one side.
The prior art document
Patent documentation 1: TOHKEMY 2010-186782 communique
Summary of the invention
The problem that invention will solve
But; Making under the situation of electrode with the method for patent documentation 1 record, because to about vertical top conveyance metal forming, therefore when the surface applied active material intermixture of metal forming; This active material intermixture might be to vertical lower, promptly to the upper reaches side flow.In this case, can not be equably at the surface applied active material intermixture of metal forming.
In addition, when the active material intermixture on making metal forming is dry, mobile to vertical top from the solvent of this active material intermixture evaporation.So, owing to, therefore be that the solvent of downstream side evaporation might adhere to again on the top of metal forming to about vertical top conveyance metal forming.In this case, can not suitably form active material layer in metal foil surface.
And when to about vertical top conveyance metal forming, applying device, drying machine and takers-in are configured in high position.Therefore, the maintenance difficult of these applying devices, drying machine and takers-in and become large-scale operation.
The present invention accomplishes in view of above-mentioned relevant point, and its purpose is: when making electrode, suitably and efficiently the substrate surface in band shape forms active material layer.
Be used to solve the means of problem
In order to reach above-mentioned purpose, the present invention forms active material layer to make the electrode manufacturing apparatus of electrode on the two sides of the base material of band shape, it is characterized in that, comprising: the portion that unreels that unreels base material; The reeling end that will batch at the base material that the above-mentioned portion that unreels is unreeled; Coating portion, it is arranged on above-mentioned unreeling between portion and the above-mentioned reeling end, applies the active material intermixture on the two sides of base material; And drying section; It is arranged between above-mentioned coating portion and the above-mentioned reeling end; Make in the coated above-mentioned active material intermixture drying of above-mentioned coating portion forming active material layer, above-mentioned unreel portion and above-mentioned reeling end be configured to the length direction with base material be horizontal direction and with the Width of base material be vertical direction towards the conveyance base material.
According to the present invention; Between portion of unreeling and reeling end; The length direction with base material be horizontal direction and with the Width of base material be vertical direction towards, the base material in the conveyance is carried out in the coating of the active material intermixture of coating portion with in the drying of the active material intermixture of drying section.Since in this wise with the length direction be horizontal direction towards the conveyance base material, therefore when applying the active material intermixture in coating portion, this active material intermixture can not flow to the upstream side or the downstream side of the conveyance direction of base material.And since with the Width be vertical direction towards the conveyance base material, so can apply the active material intermixture equably on the two sides of base material.In addition, when the active material intermixture on making base material was dry, the solvent of evaporation flowed in vertical direction smoothly, and the solvent of this evaporation can not be attached to the surface of base material more yet.Therefore, can suitably form active material layer at substrate surface.And, since with the length direction be horizontal direction towards the conveyance base material, so can base material be reduced to certain altitude, it is easy that the maintenance of electrode manufacturing apparatus becomes.Therefore, can form active material layer efficiently at substrate surface.
It is the let off roll towards configuration of vertical direction that the above-mentioned portion of unreeling can be included in the direction of principal axis, and it is the takers-in towards configuration of vertical direction that above-mentioned reeling end can be included in the direction of principal axis.
Above-mentioned drying section can comprise: heating arrangements, and it is arranged on the both sides of base material, makes above-mentioned active material intermixture dry through the radiation heating that is produced by infrared ray; And gas supply mechanism, its mode air supply between above-mentioned heating arrangements and base material, to circulate in vertical direction makes above-mentioned active material intermixture dry.
Above-mentioned drying section can also comprise: a plurality of rod-type heaters, and it is in the length direction alignment arrangements of base material and shine infrared ray; A plurality of reflecting plates, its surface that clips above-mentioned rod-type heater and base material relatively disposes, and makes infrared reflection from above-mentioned rod-type heater to base material one side; Air supply opening, it is formed between the adjacent said reflection plate, to the arid region air supply between said reflection plate and the base material; And exhaust outlet, it is formed between the other adjacent said reflection plate, and the air in the above-mentioned arid region is discharged, and above-mentioned a plurality of rod-type heaters, above-mentioned a plurality of reflecting plates, above-mentioned air supply opening and above-mentioned exhaust outlet are separately positioned on the both sides of base material.
Above-mentioned rod-type heater can comprise: the inner core that is provided with heater at peripheral part; With the urceolus that is set to surround above-mentioned inner core, between above-mentioned urceolus and above-mentioned inner core, be formed with the circulation flow path of circulation of air, form the ejiction opening that the surface of upwards stating base material sprays the air in the above-mentioned circulation flow path at above-mentioned urceolus.
Above-mentioned coating portion can comprise and be formed with the coating head of the surface of base material being discharged the coating mouth of active material intermixture that above-mentioned coating head can be configured in the both sides of base material.
Above-mentioned coating portion can comprise: roller, and the surperficial butt of itself and base material is coated in the active material intermixture on this base material; And nozzle, the active material intermixture is supplied with on its surface to above-mentioned roller, and above-mentioned roller and said nozzle are configured in the both sides of base material respectively.In addition, in the present invention, the surperficial butt of roller and base material is meant attached to the active material intermixture on the surface of roller and the surperficial butt of base material.
Above-mentioned electrode can be the electrode that in lithium-ion capacitor, electric double layer capacitor or lithium ion battery, uses.
The present invention according to other viewpoints is; One side is the banded base material of conveyance between portion of unreeling and reeling end; Form active material layer to make the electrode manufacturing method of electrode on the two sides of this base material on one side; It is characterized in that, comprising: working procedure of coating is coated in the active material intermixture in coating portion the two sides of base material; Drying process; After above-mentioned working procedure of coating; Make the above-mentioned active material intermixture drying that applies at above-mentioned working procedure of coating to form active material layer at drying section; The length direction with base material be horizontal direction and with the Width of base material be vertical direction towards, the base material in the conveyance is carried out above-mentioned working procedure of coating and above-mentioned drying process.
Above-mentioned drying section can comprise: heating arrangements, and it is arranged on the both sides of base material, makes above-mentioned active material intermixture dry through the radiation heating that is produced by infrared ray; And gas supply mechanism; Its mode air supply between above-mentioned heating arrangements and base material, to circulate in vertical direction; Make above-mentioned active material intermixture dry; In above-mentioned drying process,, make above-mentioned active material intermixture dry through radiation heating that produces by infrared ray and the Convective Heating that produces by the air of circulation between above-mentioned heating arrangements and base material from above-mentioned heating arrangements.
Above-mentioned drying section can comprise: a plurality of rod-type heaters, and it is in the length direction alignment arrangements of base material and shine infrared ray; A plurality of reflecting plates, its surface that clips above-mentioned rod-type heater and base material relatively disposes, and makes infrared reflection from above-mentioned rod-type heater to base material one side; Air supply opening, it is formed between the adjacent said reflection plate, to the arid region air supply between said reflection plate and the base material; And exhaust outlet; It is formed between the other adjacent said reflection plate; Air in the above-mentioned arid region is discharged; Above-mentioned a plurality of rod-type heater, above-mentioned a plurality of reflecting plates, above-mentioned air supply opening and above-mentioned exhaust outlet are separately positioned on the both sides of base material; In above-mentioned drying process, can make above-mentioned active material intermixture dry through radiation heating that produces by infrared ray and the Convective Heating that in above-mentioned arid region, circulates and produce to above-mentioned air exhaust air from above-mentioned air supply opening from above-mentioned a plurality of rod-type heaters and above-mentioned a plurality of reflecting plates.
Above-mentioned rod-type heater can comprise: the inner core that is provided with heater at peripheral part; With the urceolus that is set to surround above-mentioned inner core; In above-mentioned drying process; To being formed on the circulation flow path air supply between above-mentioned urceolus and the above-mentioned inner core, the air of supply is heated through above-mentioned heater, and the air after being heated sprays to the surface of base material from the ejiction opening that is formed on above-mentioned urceolus.
In above-mentioned working procedure of coating, can the active material intermixture be discharged to the surface of base material from the coating mouth of the coating head of the both sides that are configured in base material.
Above-mentioned coating portion can comprise: roller, and the surperficial butt of itself and base material is coated in the active material intermixture on this base material; And nozzle; The active material intermixture is supplied with on its surface to above-mentioned roller; Above-mentioned roller and said nozzle are configured in the both sides of base material respectively; In above-mentioned working procedure of coating, make the above-mentioned roller that is attached with the active material intermixture of supplying with from said nozzle and the surperficial butt of substrate, the active material intermixture is coated in the surface of base material.In addition, in the present invention, the surperficial butt that makes roller and base material is to instigate attached to the active material intermixture on the surface of roller and the surperficial butt of base material.
Above-mentioned electrode can be the electrode that in lithium-ion capacitor, electric double layer capacitor or lithium ion battery, uses.
In addition according to the present invention according to other viewpoints; A kind of computer-readable storage medium that can read is provided; It is characterized in that: store in order to make above-mentioned electrode manufacturing method pass through electrode manufacturing apparatus and carry out, and the program that on the computer of the control part of controlling this electrode manufacturing apparatus, operates.
The invention effect
According to the present invention, when making electrode, can suitably and efficiently form active material layer on the surface of the base material of band shape.
Description of drawings
[Fig. 1] is the simple side view of summary of structure of the electrode manufacturing apparatus of this execution mode of expression.
[Fig. 2] is the plane graph of summary of structure of the electrode manufacturing apparatus of this execution mode of expression.
[Fig. 3] is the side view with the electrode of electrode manufacturing apparatus manufacturing.
[Fig. 4] is the plane graph with the electrode of electrode manufacturing apparatus manufacturing.
[Fig. 5] is the stereogram of the summary of the expression structure that applies head.
[Fig. 6] is the side view of summary of the structure of expression drying section.
[Fig. 7] is other the plane graph of summary of structure of coating portion of execution mode of expression.
[Fig. 8] is other the plane graph of summary of structure of drying section of execution mode of expression.
[Fig. 9] is other the key diagram of summary of structure of rod-type heater (rod heater) of execution mode of expression.
[Figure 10] is other the view in transverse section of summary of structure of rod-type heater of execution mode of expression.
[Figure 11] is other the plane graph of summary of structure of drying section of execution mode of expression.
[Figure 12] is the key diagram of the summary of the inner structure of other the rod-type heater of execution mode of expression.
[Figure 13] is other the view in transverse section of summary of structure of rod-type heater of execution mode of expression.
Symbol description
1: electrode manufacturing apparatus
10: let off roll
11: coating portion
12: drying section
13: takers-in
20: apply head
21: apply mouth
30: heating arrangements
31: the rod-type heater
32: gas supply mechanism
33: gas supply part
34: the air supply source
35: supply pipe
50: control part
100: roller
101: nozzle
200: the rod-type heater
201: reflecting plate
202: air supply opening
203: exhaust outlet
220: inner core
221: urceolus
222: nickel chrom heater
230: circulation flow path
234: ejiction opening
240: support unit
D: arid region
E: electrode
F: active material layer
M: metal forming
S: active material intermixture
Embodiment
Below, execution mode of the present invention is described.Fig. 1 is the simple side view of summary of structure of the electrode manufacturing apparatus 1 of this execution mode of expression.Fig. 2 is the plane graph of summary of the structure of expression electrode manufacturing apparatus 1.In addition, in the electrode manufacturing apparatus 1 of this execution mode, make the electrode of lithium-ion capacitor.
In electrode manufacturing apparatus 1, can make like Fig. 3 and the electrode E that is formed with active material layer F on metal forming M two sides shown in Figure 4 as the base material of band shape.The active material layer F on the two sides of metal forming M relatively forms.In addition, active material layer F is formed on the central portion of the Width (the Z direction among Fig. 3) of metal forming M, and forms a plurality of at the length direction (the Y direction among Fig. 3 and Fig. 4) of metal forming M.
Metal forming M is for example porous collector body.When making positive pole, for example use aluminium foil as electrode E as metal forming M.On the other hand, when making negative pole, for example use Copper Foil as metal forming M.
In addition, in order to form active material layer F, like the slimy active material intermixture of the said surface applied in back at metal forming M.Positive active material intermixture when making positive pole; For example through mix active carbon as active material, as the acrylic adhesives of binding agent, as the carboxymethyl cellulose of dispersant with as the conductive carbon powders of the acetylene black of conduction auxiliary material etc., and add, mix to rub and generate as the water of solvent to these.On the other hand; Negative electrode active material intermixture when making negative pole; For example through mix as can occlusion, emit the amorphous carbon of the active material of lithium ion, as the Kynoar of binding agent with as the conductive carbon material of the acetylene black of conduction auxiliary material etc., and add, mix to rub and generate as the water of solvent to these.
Aspect anodal and negative pole, though material is different as stated, the width of metal forming M and active material layer F, thickness etc. do not have too big difference.Therefore, electrode manufacturing apparatus 1 positive pole that not only can make lithium-ion capacitor also can be made negative pole.Below, anodal and negative pole is called electrode E and describes with these.
Electrode manufacturing apparatus 1, as depicted in figs. 1 and 2, have: as the let off roll 10 of the portion that unreels that unreels metal forming M; The two sides of metal forming M is applied the coating portion 11 of active material intermixture; Make active material intermixture on the metal forming M dry and form the drying section 12 of active material layer F; With as batching the takers-in 13 of the reeling end of metal forming M.Along the conveyance direction (the Y direction among Fig. 1 and Fig. 2) of metal forming M from upstream side by following arranged in order let off roll 10, coating portion 11, drying section 12, takers-in 13.In addition, between let off roll 10 and takers-in 13, be provided with driving mechanism (not shown), through this driving mechanism, the metal forming M that unreels from let off roll 10 is batched on takers-in 13 by conveyance and quilt.
Let off roll 10 be configured to its direction of principal axis be vertical direction (the Z direction among Fig. 1) towards.In let off roll 10, be wound with untreated metal forming M, it is that the center can rotate that let off roll 10 constitutes with the vertical axis.And metal forming M is unreeled from let off roll 10 along with being stretched at its length direction.
Takers-in 13 also be configured to its direction of principal axis be vertical direction towards.It is that the center can rotate that takers-in 13 constitutes with the vertical axis.And the metal forming M that is formed with active material layer F is batched by takers-in 13.
These let off roll 10 are configured in identical height with takers-in 13.And let off roll 10 and takers-in 13 are that the Width of horizontal direction (the Y direction among Fig. 1 and Fig. 2) and metal forming M is that the mode towards coming conveyance metal forming M of vertical direction (the Z direction among Fig. 1) disposes according to the length direction with metal forming M.
Apply 20 an about rectangular shape that have in vertical direction (the Z direction among Fig. 5) extension as shown in Figure 5.Apply 20 for example form longer than the Width of metal forming M.At a face relative that applies 20, be formed with the coating mouth 21 of the slit-shaped of discharging the active material intermixture with metal forming M.Applying mouthfuls 21 is formed extended at both sides in vertical direction (the Z direction among Fig. 5).In addition, apply mouthfuls 21 and be formed at the position that to supply with the active material intermixture to the central portion of the Width of metal forming M.In addition, applying a supply pipe 23 that 20 connections are communicated with active material intermixture supply source 22.Internal storage at active material intermixture supply source 22 has the active material intermixture, and can apply 20 a supply active material intermixture from 22 pairs of active material intermixture supply sources.
Drying section 12 is as depicted in figs. 1 and 2 to have through the radiation heating that is produced by infrared ray and makes the dry heating arrangements 30 of active material intermixture on the metal forming M.Heating arrangements 30 and between let off roll 10 and takers-in 13 both sides of the metal forming M in the conveyance relatively dispose.In heating arrangements 30, at the ultrared rod-type heater 31 of length direction (the Y direction among Fig. 1 and Fig. 2) a plurality of irradiations of alignment arrangements of metal forming M.Rod-type heater 31 extends longlyer than the length of the Width of metal forming M on vertical direction (the Z direction among Fig. 1).That is, rod-type heater 31 can be to the WBR infrared ray of the Width of metal forming M.In addition, rod-type heater 31 has in the set inside of the urceolus of the ceramic structure as the nickel chrom heater with nichrome wire of heater.In addition, in heating arrangements 30, also can clip rod-type heater 31 and the position relative, be provided with and make the reflecting plate (not shown) that arrives metal forming M side from the infrared reflection of rod-type heater 31 with metal forming M.
In addition drying section 12 as shown in Figure 6 have through the Convective Heating that produces by air make the dry gas supply mechanism 32 of active material intermixture S on the metal forming M.Gas supply mechanism 32 has at the arid region D that forms between heating arrangements 30 and the metal forming M air fed gas supply part 33 above vertical.Gas supply part 33 below the arid region D that is disposed at separately in the formation of the both sides of metal forming M, the D, and disposes a plurality of on the length direction of metal forming M.This external gas supply part 33 is connected with the supply pipe 35 that is communicated with air supply source 34.Internal storage at air supply source 34 has for example dry air etc. of air.And, above vertical, circulate in the D of arid region like Fig. 1 and the air of supplying with from gas supply mechanism 32 shown in Figure 6.
The control part 50 that is provided with as shown in Figure 1 in above electrode manufacturing apparatus 1.Control part 50 for example is a computer, has program storage part (not shown).In program storage part, store the program of processing that is used to make electrode E of control electrode manufacturing installation 1.In addition, said procedure also can for example be recorded among the storage medium H that in computer, can read of hard disk (HD), floppy disk (FD), CD (CD), magneto optical disk (MO), storage card of embodied on computer readable etc., and is installed to control part 50 from this storage medium H.
The electrode manufacturing apparatus 1 of this execution mode constitutes as above.The processing of then, being used to of carrying out at this electrode manufacturing apparatus 1 being made electrode E describes.
Metal forming M is unreeled from let off roll 10, and conveyance is to coating portion 11.In coating portion 11, to the surface applied of the metal forming M in the conveyance from a slimy active material intermixture S who applies 20.At this moment, through supplying with active material intermixture S, can apply active material intermixture 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 Width of metal forming M from the active material intermixture S of coating 20 supply.And, through supplying with active material intermixture S intermittently, on the length direction of metal forming M, a plurality of zones are applied active material intermixture S from applying 20.
After this, the metal forming M that is coated with active material intermixture S is arrived drying section 12 by conveyance.At drying section 12, the radiation heating that the infrared ray of the heating arrangements 30,30 of the both sides configuration through the comfortable metal forming M of origin produces comes the active material intermixture S on the two sides of dry metal forming M.At this moment, the temperature of the rod-type heater 31 of heating arrangements 30 for example is set at 200 ℃.In addition, through the Convective Heating that produces by the air of supplying with from 32 couples of arid region D that form in the both sides of metal forming M of gas supply mechanism, D, come the active material intermixture S on the two sides of dry metal forming M.And through this air, the solvent that evaporates from active material intermixture S is that water flows above vertical smoothly, and the outside of the water of this evaporation D in the arid region is removed.Like this, the active material intermixture S on the two sides of metal forming M is dried, and forms the active material layer F of the thickness of regulation on the two sides of this metal forming M.
After this, be formed with the metal forming M of active material layer F, arrived takers-in 13, and batched by this takers-in 13 by conveyance.Like this, in a series of processing end of electrode manufacturing apparatus 1, electrode E is made.
According to above execution mode; In coating portion 11; Since the length direction of metal forming M be horizontal direction towards conveyance metal forming M, therefore can not flow to the upstream side or the downstream side of the conveyance direction of this metal forming M at the active material intermixture S of the surface applied of metal forming M.In addition and since the Width of metal forming M be vertical direction towards conveyance metal forming M, therefore can apply active material intermixture S equably on the two sides of metal forming M.
In addition, at drying section 12, through radiation heating that produces by infrared ray and the Convective Heating that produces by the air of supplying with from gas supply mechanism 32 and in the D of arid region, circulate, the active material intermixture S on the next dry metal forming M from heating arrangements 30.Like this, owing to use radiation heating that produces by infrared ray and the such 2 kinds of drying means of Convective Heating that produce by air, can suitably make this active material intermixture S dry.In addition, under the situation of having used the radiation heating that produces by infrared ray, do not exist with ... the ultrared radiant heat of distance ground conduction between rod-type heater 31 and the metal forming M.Therefore, can suitably do not heated active material intermixture S by the bending of metal forming M and obliquity effects ground.And, the Width of metal forming M be vertical direction towards conveyance metal forming M, the water of evaporation flows in vertical direction smoothly.And because the air of supplying with from gas supply mechanism 32 circulates above vertical in the D of arid region, therefore the water of evaporation flows more smoothly.Therefore, the water of evaporation can be not again attached to the surface of metal forming M.
According to this execution mode, can suitably apply active material intermixture S as previously discussed, and can suitably make active material intermixture S dry, therefore can suitably form active material layer F on the surface of metal forming M at drying section 12 in coating portion 11.
In addition, between let off roll 10 and takers-in 13 since length direction be horizontal direction towards conveyance metal forming M, therefore can metal forming M be reduced to certain height, make the maintenance of electrode manufacturing apparatus 1 become easy.Therefore, can form active material layer F on the surface of metal forming M effectively.
In the electrode manufacturing apparatus 1 of above execution mode, as the portion of unreeling let off roll 10 is set, but the structure that unreels portion is not limited to this execution mode, just can take multiple structure so long as unreel the structure of metal forming M.Likewise, takers-in 13 is set, but the structure of reeling end is not limited to this execution mode, just can takes multiple structure so long as batch the structure of metal forming M as reeling end.
In addition, in the coating portion 11 of above execution mode, be provided with and apply 20, the structure of coating portion 11 is not limited to this execution mode, so long as can just can take multiple structure to the structure of the surface applied active material intermixture S of metal forming M.
For example in above execution mode, apply 20,20 and relatively be provided with the both sides of metal forming M, but also can be any one apply 20 and be configured in than another coating 20 downstream side more.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 also can be with the surface applied active material intermixture S of ink-jetting style to metal forming M in coating portion 11.
For example as shown in Figure 7 in addition, coating portion 11 also can have: the roller 100 that is coated in this metal forming M with the surperficial butt of metal forming M and with slimy active material intermixture S; Supply with the nozzle 101 of active material intermixture S with the surface of pair roller 100.These rollers 100 and nozzle 101 and between let off roll 10 and takers-in 13 both sides of the metal forming M in the conveyance relatively dispose.
In this case, in coating portion 11, from the surface of nozzle 101 subtend rollers 100 supply with active material intermixture S on one side, make the surperficial butt of the roller 100 that is attached with this active material intermixture S and metal forming M on one side.So, attached to the active material intermixture S transfer printing on the surface of roller 100 on the surface of metal forming M, can be at the surface applied active material intermixture S of this metal forming M.
According to this execution mode, through from roller 100 when the surface applied active material intermixture S of metal forming M, adjust the distance on surface of surface and the metal forming M of this roller 100 self, can adjust the thickness of active material intermixture S.Therefore, can apply active material intermixture S with uniform more thickness on the surface of metal forming M.
Though the drying section 12 at above execution mode is provided with heating arrangements 30 and gas supply mechanism 32; But the structure of drying section 12 is not limited to this execution mode, so long as can make the dry structure of active material intermixture S on the metal forming M just can take multiple structure.
For example in above execution mode, 32 couples of arid region D of gas supply mechanism are to vertical top air supply, but also can be to the vertical lower air supply.In this case, gas supply part 33 can be disposed at respectively the arid region D that forms in the both sides of metal forming M, D above (not shown).And the air of supplying with from gas supply mechanism 32 circulates to vertical lower in the D of arid region.Even in this case because the water from active material intermixture S evaporation flows to vertical lower smoothly in drying section 12, water that therefore should evaporation can be more yet attached to the surface of metal forming M.Therefore, can suitably make active material intermixture S dry at drying section 12.
For example as shown in Figure 8 in addition, drying section 12 also can have: in length direction (the Y direction among Fig. 8) alignment arrangements of metal forming M and shine ultrared a plurality of rod-type heater 200; With clip rod-type heater 200 and relatively dispose with the surface of metal forming M and make from the infrared reflection of rod-type heater 200 a plurality of reflecting plates 201 to metal forming M side.These rod-type heaters 200 and reflecting plate 201 are configured in the both sides of the metal forming M in the conveyance between let off roll 10 and the takers-in 13.
Rod-type heater 200 extends longlyer than the length of the Width of metal forming M in vertical direction.That is, rod-type heater 200 can be to the Width WBR infrared ray of metal forming M.In addition, the set inside that has at the urceolus of ceramic of rod-type heater 200 has the structure of the nickel chrom heater of nichrome wire as heater.
Reflecting plate 201 is crooked projectedly to a side opposite with relative metal forming M.Reflecting plate 201 extends in vertical direction with the mode that covers rod-type heater 200 in addition.And, from the infrared ray of rod-type heater 200, be radiated metal forming M in reflecting plate 201 reflections to an opposite side radiation with metal forming M.
Form the air fed air supply opening 202 of the arid region D that between reflecting plate 201 and metal forming M, forms in adjacent reflecting plates 201, between 201.In addition, in other adjacent reflecting plates 201, form the exhaust outlet 203 that the air make in the D of arid region is discharged between 201.These air supply openings 202 and exhaust outlet 203 alternately are configured on the length direction of metal forming M.And the air of supplying with in 202 couples of arid region D of air supply opening is after the surface current of metal forming M, from discharging with air supply opening 202 adjacent exhaust outlets 203.That is, in the D of arid region, produce from the air-flow of air supply opening 202 to the single direction of exhaust outlet 203.In addition, along with reflecting plate 201 is configured in the both sides of metal forming M, air supply opening 202 and exhaust outlet 203 also are formed on the both sides of metal forming M.
Be respectively arranged with at each air supply opening 202 and be used for this air supply opening 202 air fed supply pipes 210.Supply pipe 210 is communicated with air supply source 211.Internal storage at air supply source 211 has for example dry air etc. of air.In addition,, for example be provided with vacuum pump (not shown), the air in the D of arid region discharged through this vacuum pump at exhaust outlet 203.
In this case; At drying section 12; Through make the active material intermixture S drying on the two sides of metal forming M by the radiation heating of infrared ray generation with by the Convective Heating that air produces; This infrared ray is from a plurality of rod-type heaters of the both sides that are configured in metal forming M 200 and a plurality of reflecting plates 201, and this air is the air that in the arid region of the both sides that are formed at metal forming M D, D, is passed to exhaust outlet 203 from air supply opening 202.In addition, the temperature of rod-type heater 200 for example is set at 200 ℃ at this moment.In addition, through in the D of arid region, produce from the air-flow of air supply opening 202 to exhaust outlet 203, flow to exhaust outlet 203 smoothly from the water of active material intermixture S evaporation, the water of this evaporation is removed with no longer being attached to metal forming M.The active material intermixture S on the two sides of metal forming M is dried like this, forms the active material layer F of the thickness of regulation on the two sides of this metal forming M.
According to this execution mode,, can suitably make this active material intermixture S dry owing in drying section 12, use radiation heating that produces by infrared ray and the such 2 kinds of drying means of Convective Heating that produce by air.In addition, under the situation of having used the radiation heating that produces by infrared ray, do not exist with ... the ultrared radiant heat of distance ground conduction between rod-type heater 200 and reflecting plate 201 and the metal forming M.Therefore, can suitably do not heated active material intermixture S by the bending of metal forming M and obliquity effects ground.And, at drying section 12, can in the D of arid region, produce from the air-flow of air supply opening 202 to the single direction of exhaust outlet 203.Because through this air-flow, the water of evaporation was discharged from exhaust outlet 203 when the active material intermixture S on making metal forming M was dry, therefore the water of this evaporation can not be attached to the surface of metal forming M again.Therefore, can more suitably make the active material intermixture S on the metal forming M dry.Therefore, can on metal forming M, suitably form active material layer F.
In addition,, relatively disposes by reflecting plate 201 because clipping the surface of rod-type heater 200 and metal forming M, thus be radiated the infrared ray of the opposition side of metal forming M from rod-type heater 200, in reflecting plate 201 reflections and be radiated metal forming M.Therefore, can utilize ultrared all, make the active material intermixture S on the metal forming M dry efficiently.
And, because reflecting plate 201 is crooked projectedly to the opposition side of metal forming M, so can make not the air of the denier of discharging from exhaust outlet 203 be passed to air supply opening 202 sides smoothly.Then, this air collaborates with the air of supplying with from air supply opening 202 once again, flows to exhaust outlet 203.Therefore, can make not chaotic to the air-flow of exhaust outlet 203 in the D of arid region, and keep the air-flow of single direction from air supply opening 202.In addition, the air of the denier of not discharging from exhaust outlet 203 owing in the D of arid region, be heated through ultrared radiation heating, therefore can make the active material intermixture S on the metal forming M dry efficiently.
In above execution mode, also can ventilate in the inside of rod-type heater 200.Like Fig. 9 and shown in Figure 10, the urceolus 221 that rod-type heater 200 has inner core 220 and is provided with the mode of surrounding inner core 220.At the peripheral part of inner core 220, the nickel chrom heater 222 that has nichrome wire as heater is set to helical form.This nickel chrom heater 222 is provided with longlyer than the length of the Width of metal forming M in vertical direction.In addition, the material of urceolus 221 is potteries as stated.In addition, inner core 220 has thermal endurance, and its material for example is pottery or aluminium oxide.
Between urceolus 221 and inner core 220, form the circulation flow path 230 of circulation of air.Supply with the air of circulation in circulation flow path 230 from gas supply part 231.Gas supply part 231 is configured in the direction of principal axis both ends of rod-type heater 200.This external gas supply part 231 connects the supply pipe 233 that is communicated with air supply source 232.At 23 ℃ air of the internal storage normal temperature of air supply source 232 dry air for example.
Make a plurality of ejiction openings 234 of the air of circulation flow path 230 towards the surface ejection of metal forming M in urceolus 221 formation.Ejiction opening 234 forms a plurality of on the length direction (the Z direction among Fig. 9) of urceolus 221 side by side.These ejiction openings 234 are shown in figure 11 towards exhaust outlet 203 1 sides.In addition, these ejiction openings 234 are formed on the air that makes in the circulation flow path 230 position towards the surface tilt ground ejection of metal forming M.
In this case, at drying section 12, the air of supplying with from 231 pairs of circulation flow paths of gas supply part 230 circulates in this circulation flow path 230.At this moment, the air in the circulation flow path 230 is heated through nickel chrom heater 222.Because the temperature of rod-type heater 200 for example is set at 200 ℃ as stated, so the air in the circulation flow path 230 is heated to than 23 ℃ high and in the temperature below 200 ℃.Then, heated air is ejected into arid region D from ejiction opening 234.From the air of the surface of the metal forming M of rod-type heater 200 in the D of arid region ejection, flow to the near surface of metal forming M like this,, discharge from exhaust outlet 203 with the air-flow interflow that flows to exhaust outlet 203 from air supply opening 202.
And; At drying section 12; Except through the radiation heating that produces by infrared ray from a plurality of rod-type heaters 200 and a plurality of reflecting plates 201 and by in the D of arid region from air supply opening 202 is passed to the Convective Heating that the air of exhaust outlet 203 produces; Also the Convective Heating through being produced by the air from above-mentioned rod-type heater 200 ejections comes the active material intermixture S on the dry metal forming M dry.
According to this execution mode,, therefore can shorten the drying time of active material intermixture S owing to the air that is ejected into arid region D from rod-type heater 200 is heated through nickel chrom heater 222.Therefore, the length of drying section 12 can be shortened, and the footprints of electrode manufacturing apparatus 1 can be reduced.And the heating of the air in this circulation flow path 230 can utilize the nickel chrom heater 222 that is provided with in order to make active material intermixture S drying, other heating arrangements need be set.As previously discussed according to this execution mode, the active material intermixture S on can dry more efficiently metal forming M.
In addition, because ejiction opening 234 forms towards exhaust outlet 203 1 sides in urceolus 221, so from the air of this ejiction opening 234 ejections, with respect to the air-flow that flows to exhaust outlet 203 from air supply opening 202 adverse current not.So, from the air of ejiction opening 234 ejection, Yi Bian make from air supply opening 202 not chaotic and keep the air-flow of single direction to the air-flow of exhaust outlet 203, Yi Bian can converge with this air-flow.Therefore, can suitably make the active material intermixture S on the metal forming M dry.
In above execution mode, the support unit 240 that is connected urceolus 221 and inner core 220 and supports this inner core 220 can be set like the inside of Figure 12 and the circulation flow path 230 at rod-type heater 200 shown in Figure 13.Support unit 240 equally spaced disposes a plurality of on the circumferencial direction of inner core 220.In addition, support unit 240 at the direction of principal axis of inner core 220, be that length direction (the Z direction among Figure 12) equally spaced disposes a plurality of.Through disposing support unit 240 in this wise, can stir flowing of air in the circulation flow path 230.
In addition, support unit 240 has conductivity of heat, and its material is SiC for example.Therefore, the heat that produces from nickel chrom heater 222 is communicated to urceolus 221 through support unit 240.
In this case, owing to stir flowing of air in the circulation flow paths 230 through support unit 240, so can heat this air efficiently.In addition, be communicated to urceolus 221 through support unit 240 from the heat of nickel chrom heater 222, this urceolus 221 is heated, and therefore can add the air in the heat flow path 230 efficiently, and the air in also can the heat drying region D.According to this execution mode, can make the active material intermixture S on the metal forming M dry more efficiently as previously discussed.
In above execution mode, active material layer F is formed with a plurality of at the length direction of metal forming M, but electrode manufacturing apparatus 1 of the present invention is also useful when formation possesses the electrode E of an active material layer F.
In this external above execution mode, in electrode manufacturing apparatus 1, formed active material layer F, but also can carry out other processing, the for example punching press of metal forming M and cut-out etc. in order to form electrode E on the two sides of metal forming M.Electrode manufacturing apparatus 1 also can carry out these other processing continuously between let off roll 10 and takers-in 13.
In this external above execution mode; Situation to the electrode E that makes lithium-ion capacitor is illustrated; But under the situation of electrode that in being manufactured on electric double layer capacitor, uses and the electrode that in lithium ion battery, uses, also can use electrode manufacturing apparatus 1 of the present invention.In this case, the kind according to the electrode of making can change the material of metal forming M and the material of active material intermixture S etc.
More than, with reference to accompanying drawing on one side to of the present invention preferred embodiment be illustrated on one side, but the present invention is not limited to and above relevant example.So long as this area practitioner, just can easily expect in the category of the thought in being recorded in patent request scope various changes examples or revise example, also belong to technical scope of the present invention certainly about these.
Claims (16)
1. electrode manufacturing apparatus, its two sides at the base material of band shape forms active material layer to make electrode, and this electrode manufacturing apparatus is characterised in that, comprising:
Unreel the portion of base material;
The reeling end that the base material that is unreeled in the said portion that unreels is batched;
Coating portion, it is arranged on said unreeling between portion and the said reeling end, applies the active material intermixture on the two sides of base material; With
Drying section, it is arranged between said coating portion and the said reeling end, makes in the coated said active material intermixture drying of said coating portion forming active material layer,
Said unreel portion and said reeling end be configured to the length direction with base material be horizontal direction and with the Width of base material be vertical direction towards the conveyance base material.
2. electrode manufacturing apparatus as claimed in claim 1 is characterized in that:
It is the let off roll towards configuration of vertical direction that the said portion of unreeling is included in the direction of principal axis,
It is the takers-in towards configuration of vertical direction that said reeling end is included in the direction of principal axis.
3. electrode manufacturing apparatus as claimed in claim 1 is characterized in that:
Said drying section comprises:
Heating arrangements, it is arranged on the both sides of base material, makes said active material intermixture dry through the radiation heating that is produced by infrared ray; With
Gas supply mechanism, its mode air supply between said heating arrangements and base material, to circulate in vertical direction makes said active material intermixture dry.
4. electrode manufacturing apparatus as claimed in claim 1 is characterized in that:
Said drying section comprises:
A plurality of rod-type heaters, it is in the length direction alignment arrangements of base material, and the irradiation infrared ray;
A plurality of reflecting plates, its surface that clips said rod-type heater and base material relatively disposes, and makes infrared reflection from said rod-type heater to base material one side;
Air supply opening, it is formed between the adjacent said reflecting plate, to the arid region air supply between said reflecting plate and the base material; With
Exhaust outlet, it is formed between the other adjacent said reflecting plate, the air in the said arid region is discharged,
Said a plurality of rod-type heater, said a plurality of reflecting plates, said air supply opening and said exhaust outlet are separately positioned on the both sides of base material.
5. electrode manufacturing apparatus as claimed in claim 4 is characterized in that:
Said rod-type heater comprises: the inner core that is provided with heater at peripheral part; With the urceolus that is set to surround said inner core,
Between said urceolus and said inner core, be formed with the circulation flow path of circulation of air,
Be formed with the ejiction opening that the surface of said base material is sprayed the air in the said circulation flow path at said urceolus.
6. like any described electrode manufacturing apparatus in the claim 1～5, it is characterized in that:
Said coating portion comprises and is formed with the coating head of the surface of base material being discharged the coating mouth of active material intermixture,
A said both sides that are configured in base material that apply.
7. like any described electrode manufacturing apparatus in the claim 1～5, it is characterized in that:
Said coating portion comprises:
Roller, the surperficial butt of itself and base material is coated in the active material intermixture on this base material; With
Nozzle, the active material intermixture is supplied with on its surface to said roller,
Said roller and said nozzle are configured in the both sides of base material respectively.
8. electrode manufacturing apparatus as claimed in claim 6 is characterized in that:
Said electrode is the electrode that in lithium-ion capacitor, electric double layer capacitor or lithium ion battery, uses.
9. electrode manufacturing method, it is the banded base material of conveyance between portion of unreeling and reeling end on one side, on the two sides of this base material form active material layer to make electrode on one side, this electrode manufacturing method is characterised in that, comprising:
Working procedure of coating is coated in the active material intermixture in coating portion the two sides of base material; With
Drying process after the said working procedure of coating, makes the said active material intermixture drying that applies at said working procedure of coating forming active material layer at drying section,
The length direction with base material be horizontal direction and with the Width of base material be vertical direction towards, the base material in the conveyance is carried out said working procedure of coating and said drying process.
10. electrode manufacturing method as claimed in claim 9 is characterized in that:
Said drying section comprises:
Heating arrangements, it is arranged on the both sides of base material, makes said active material intermixture dry through the radiation heating that is produced by infrared ray; With
Gas supply mechanism, its mode air supply between said heating arrangements and base material, to circulate in vertical direction makes said active material intermixture dry,
In said drying process,, make said active material intermixture dry through radiation heating that produces by infrared ray and the Convective Heating that produces by the air of circulation between said heating arrangements and base material from said heating arrangements.
11. electrode manufacturing method as claimed in claim 9 is characterized in that:
Said drying section comprises:
A plurality of rod-type heaters, its length direction at base material disposes and the irradiation infrared ray side by side;
A plurality of reflecting plates, its surface that clips said rod-type heater and base material relatively disposes, and makes infrared reflection from said rod-type heater to base material one side;
Air supply opening, it is formed between the adjacent said reflecting plate, to the arid region air supply between said reflecting plate and the base material; With
Exhaust outlet, it is formed between the other adjacent said reflecting plate, the air in the said arid region is discharged,
Said a plurality of rod-type heater, said a plurality of reflecting plates, said air supply opening and said exhaust outlet are separately positioned on the both sides of base material,
In said drying process; Through radiation heating that produces by infrared ray and the Convective Heating that in said arid region, circulates and produce, make said active material intermixture dry to said air exhaust air from said air supply opening from said a plurality of rod-type heaters and said a plurality of reflecting plates.
12. electrode manufacturing method as claimed in claim 11 is characterized in that:
Said rod-type heater comprises: the inner core that is provided with heater at peripheral part; With the urceolus that is set to surround said inner core,
In said drying process, to being formed on the circulation flow path air supply between said urceolus and the said inner core,
The air of supplying with is heated through said heater, and the air after being heated sprays to the surface of base material from the ejiction opening that is formed on said urceolus.
13. any described electrode manufacturing method as in the claim 9～12 is characterized in that:
In said working procedure of coating, the active material intermixture is discharged to the surface of base material from the coating mouth of the coating head of the both sides that are configured in base material.
14. any described electrode manufacturing method as in the claim 9～12 is characterized in that:
Said coating portion comprises:
Roller, the surperficial butt of itself and base material is coated in the active material intermixture on this base material; With
Nozzle, the active material intermixture is supplied with on its surface to said roller,
Said roller and said nozzle are configured in the both sides of base material respectively,
In said working procedure of coating, make the said roller that is attached with the active material intermixture of supplying with from said nozzle and the surperficial butt of substrate, the active material intermixture is coated in the surface of base material.
15. electrode manufacturing method as claimed in claim 13 is characterized in that:
Said electrode is the electrode that in lithium-ion capacitor, electric double layer capacitor or lithium ion battery, uses.
16. a computer-readable storage medium that can read is characterized in that:
Store for the electrode manufacturing method that makes record in claim 15 passes through electrode manufacturing apparatus and carry out, and the program that on the computer of the control part of controlling this electrode manufacturing apparatus, operates.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011004743A JP2012146852A (en) | 2011-01-13 | 2011-01-13 | Electrode manufacturing device, electrode manufacturing method, program, and computer storage medium |
| JP2011-004743 | 2011-01-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102592834A true CN102592834A (en) | 2012-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100103210A Pending CN102592834A (en) | 2011-01-13 | 2012-01-13 | Electrode manufacturing apparatus, electrode manufacturing method and computer storage medium |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2012146852A (en) |
| KR (1) | KR20120082366A (en) |
| CN (1) | CN102592834A (en) |
| TW (1) | TW201237902A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104810520A (en) * | 2015-04-17 | 2015-07-29 | 奇瑞汽车股份有限公司 | Lithium ion battery nickel cobalt lithium manganate cathode material and preparation method thereof |
| CN105914054A (en) * | 2016-05-25 | 2016-08-31 | 长春吉大科诺科技有限责任公司 | Automatic current collector double-sided modification device |
| CN113272994A (en) * | 2018-11-08 | 2021-08-17 | 麦斯韦尔技术股份有限公司 | Intermittently coated dry electrode for energy storage devices and method of making same |
| CN113699692A (en) * | 2020-05-21 | 2021-11-26 | 株式会社东芝 | Method for producing fiber sheet and apparatus for producing fiber sheet |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102234707B1 (en) * | 2014-05-15 | 2021-04-01 | 삼성에스디아이 주식회사 | Apparatus for drying electrode plate |
| CN109550718B (en) * | 2018-12-29 | 2022-01-11 | 大族激光科技产业集团股份有限公司 | Wiping device |
| KR20220119699A (en) * | 2020-10-20 | 2022-08-30 | 컨템포러리 엠퍼렉스 테크놀로지 씨오., 리미티드 | Electrode assembly, battery cell, battery, power consumption device, manufacturing method and equipment |
| CN113991189B (en) * | 2021-11-25 | 2024-01-23 | 珠海冠宇电池股份有限公司 | Battery and electronic equipment |
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- 2011-11-25 TW TW100143305A patent/TW201237902A/en unknown
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- 2012-01-12 KR KR1020120003876A patent/KR20120082366A/en not_active Application Discontinuation
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104810520A (en) * | 2015-04-17 | 2015-07-29 | 奇瑞汽车股份有限公司 | Lithium ion battery nickel cobalt lithium manganate cathode material and preparation method thereof |
| CN105914054A (en) * | 2016-05-25 | 2016-08-31 | 长春吉大科诺科技有限责任公司 | Automatic current collector double-sided modification device |
| CN105914054B (en) * | 2016-05-25 | 2017-12-08 | 长春吉大科诺科技有限责任公司 | One kind automation two-sided modified device of collector |
| CN113272994A (en) * | 2018-11-08 | 2021-08-17 | 麦斯韦尔技术股份有限公司 | Intermittently coated dry electrode for energy storage devices and method of making same |
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| CN113699692A (en) * | 2020-05-21 | 2021-11-26 | 株式会社东芝 | Method for producing fiber sheet and apparatus for producing fiber sheet |
| CN113699692B (en) * | 2020-05-21 | 2023-09-12 | 株式会社东芝 | Method and apparatus for producing fiber sheet |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20120082366A (en) | 2012-07-23 |
| JP2012146852A (en) | 2012-08-02 |
| TW201237902A (en) | 2012-09-16 |
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Application publication date: 20120718 |