WO2009125634A1 - 塗布装置及び塗布方法 - Google Patents
塗布装置及び塗布方法 Download PDFInfo
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- WO2009125634A1 WO2009125634A1 PCT/JP2009/053941 JP2009053941W WO2009125634A1 WO 2009125634 A1 WO2009125634 A1 WO 2009125634A1 JP 2009053941 W JP2009053941 W JP 2009053941W WO 2009125634 A1 WO2009125634 A1 WO 2009125634A1
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- Prior art keywords
- coating agent
- coating
- substrate
- base material
- solvent
- Prior art date
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- 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
- H01M4/0402—Methods of deposition of the material
- H01M4/0404—Methods of deposition of the material by coating on electrode collectors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0808—Details thereof, e.g. surface characteristics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0817—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line characterised by means for removing partially liquid or other fluent material from the roller, e.g. scrapers
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/28—Processes for applying liquids or other fluent materials performed by transfer from the surfaces of elements carrying the liquid or other fluent material, e.g. brushes, pads, rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2252/00—Sheets
- B05D2252/02—Sheets of indefinite length
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/10—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
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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
- Y02E60/10—Energy storage using batteries
Definitions
- the present invention relates to a coating apparatus and a coating method that are used when a coating agent is coated on a substrate having at least an outer surface having an uneven shape.
- the base material is composed of a porous body
- a coating agent is applied to the base material, there is a risk that bubble marks may remain inside or on the outer surface of the coating agent layer.
- coated may not be used as a product.
- a base material coated with a coating agent is used as an electrode of a secondary battery, the characteristics of the secondary battery may be adversely affected.
- FIGS. 8A to 8C show a process of applying the liquid coating agent P3 to the porous substrate 100 using the roll 200.
- FIG. 8A to 8C show a process of applying the liquid coating agent P3 to the porous substrate 100 using the roll 200.
- FIG. 8 (A) is a schematic diagram showing the internal structure of the porous substrate 100 before the coating agent P3 is applied.
- the base material 100 is composed of a plurality of particles 100a, and a space is formed between the particles 100a. Air exists in this space.
- FIG. 8B when the coating agent P ⁇ b> 3 is applied to the substrate 100 using the roll 200, the coating agent P ⁇ b> 3 enters from the outer surface of the substrate 100 toward the inside.
- the air present in the base material 100 is shown in the arrow of FIG. Passing between the particles 100a at the end of the coating agent P3, it tries to escape from the coating agent P3. That is, the air present inside the substrate 100 moves in the direction opposite to the direction in which the coating agent enters.
- the base material 100 to which the coating agent P3 is applied may be subjected to a drying process in a drying furnace, and when the base material 100 is dried, the bubbles G remain as bubble marks. There is.
- an object of the present invention is to provide a coating apparatus and a coating method capable of preventing the generation of bubble marks.
- the coating apparatus according to the first invention of the present application is more effective than the coating agent in the region of the substrate where the coating agent is applied before applying the liquid coating agent to the substrate having an uneven outer surface.
- a low-viscosity liquid having a low viscosity is applied.
- the coating agent is applied to the substrate before the first step and the first step of applying the coating agent to the substrate having an uneven outer surface at least. And a second step of applying a low-viscosity liquid having a viscosity lower than that of the coating agent.
- a storage member that stores the low-viscosity liquid, and a roll member that applies the low-viscosity liquid in the storage member to the base material by a rotating operation Can be used as a configuration for applying the low-viscosity liquid to the base material.
- a spray unit that ejects a low-viscosity liquid onto the substrate can also be used.
- a housing member that stores the coating agent and a roll member that applies the coating agent in the housing member to the substrate by a rotating operation can be used. .
- the low viscosity liquid is preferably a liquid having compatibility with the coating agent. Thereby, even if a coating agent is apply
- a porous body As the substrate, a porous body can be used.
- the present invention can be preferably used because bubble marks are likely to be generated.
- the above-described coating apparatus and coating method of the present invention are used, for example, for manufacturing an electrode of a secondary battery (such as a lithium ion battery). More specifically, the present invention can be applied when a material (an active material or the like) for forming an electrode layer is applied as a coating agent to a current collector as a base material.
- a low-viscosity liquid having a viscosity lower than that of the coating agent is applied to the substrate to remove bubbles generated from the substrate.
- the coating agent can be applied, and the generation of bubble marks can be prevented. That is, by applying a low-viscosity liquid having a viscosity lower than that of the coating agent to the base material, air bubbles can easily escape from the low-viscosity liquid layer or the base material. And if a coating agent is apply
- Example 1 It is the schematic which shows the structure of the coating device which is Example 1 of this invention. It is a side view of a gravure roll. It is sectional drawing of a gravure roll. It is an external appearance perspective view of the cover member used for a gravure coating device. It is the schematic which shows the internal structure of a gravure coating apparatus. In Example 1, it is a figure which shows the application
- FIG. 6 is a diagram (A to C) for explaining a phenomenon in which bubble marks are generated.
- FIG. 1 is a schematic view showing the configuration of the coating apparatus.
- the base material 2 is fed out from a raw fabric roll (not shown) and is given tension by the spreading rolls 20, 11, and 12.
- the stretch rolls 20, 11, and 12 convey the base material 2 in the direction indicated by the arrow A by rotating in the direction indicated by the arrow B1 in FIG.
- the base material 2 sent out from the stretching roll 12 is wound up by a winding roll (not shown) after being subjected to a drying process in a drying furnace.
- the gravure coating device 10 is arranged on the opposite side of the base material 2 from the spreading rolls 11 and 12 side. First, the configuration of the gravure coating apparatus 10 will be described.
- the gravure roll (roll member) 13 is contacting the area
- the gravure roll 13 is rotatably supported by a support mechanism 14.
- the stretching rolls 11 and 12 can move in the vertical direction in FIG. 1, and the contact pressure of the gravure roll 13 with respect to the substrate 2 can be adjusted by adjusting the amount of movement.
- the gravure roll 13 is connected to an actuator via a power transmission mechanism (not shown), and rotates by receiving a driving force from the actuator.
- the gravure roll 13 rotates in the direction opposite to the conveyance direction of the substrate 2 (in other words, the counterclockwise direction in FIG. 1) as indicated by an arrow B2 in FIG.
- the coating agent P ⁇ b> 2 is supplied to the gravure roll 13 from the coating agent supplier 15.
- the coating agent P2 is a solution containing a solute and a solvent.
- the coating agent supply machine 15 has a concave accommodating portion 15a for accommodating the coating agent P2.
- the accommodating part 15a is formed in the shape (shape with curvature) along the outer periphery of the gravure roll 13, and a part of the gravure roll 13 is located inside the accommodating part 15a. Specifically, approximately half of the gravure roll 13 is positioned inside the accommodating portion 15a.
- the container 15a is connected to a supply source (not shown) of the coating agent P2 via a supply path 15b provided in the coating agent supply machine 15. Thereby, the coating agent P2 supplied from the supply source is guided to the accommodating portion 15a through the supply path 15b.
- the coating agent P2 is always supplied from the supply source, and the coating agent P2 supplied to the storage unit 15a leaks from the storage unit 15a as indicated by the dotted line in FIG. It is discharged to the outside of the coating agent supply machine 15.
- the coating agent P2 overflowing from the container 15a is recovered by a recovery container (not shown) disposed below the coating agent supply machine 15, and returned to the supply source. In this way, the coating agent P2 is circulated through the supply source and the coating agent supplier 15.
- the gravure roll 13 As a structure which supplies the coating agent P2 to the gravure roll 13, it is not restricted to the structure of the coating agent supply machine 15 demonstrated in the present Example. That is, any configuration may be used as long as a storage member that stores the coating agent P2 is provided and the gravure roll 13 is brought into contact with the coating agent P2 in the storage member.
- the doctor blade 16 is in contact with the outer surface of the gravure roll 13. This doctor blade 16 wipes off the excess coating agent P2 adhering to the outer surface of the gravure roll 13, and substantially uniformly applies the coating agent P2 to the gravure pattern (engraving portion) formed on the outer surface of the gravure roll 13. Has the function of filling.
- the doctor blade 16 is made of a resin such as plastic or rubber and is held by a holder 17.
- FIG. 2A is a side view when the gravure roll 13 is viewed from a direction orthogonal to the rotation axis
- FIG. 2B is a cross-sectional view taken along line XX in FIG. 2A.
- the gravure roll 13 has an application region 13a in which a gravure pattern (groove) is engraved in the circumferential direction and a non-application region 13b in which the gravure pattern is not engraved in the circumferential direction.
- the gravure pattern formed in the coating region 13a holds the coating agent P2. That is, when the gravure roll 13 rotates, the coating agent P2 adheres to the gravure pattern in the coating region 13a located in the accommodating portion 15a.
- the gravure roll 13 When the gravure roll 13 further rotates with the coating agent P2 attached to the coating region 13a, the coating region 13a holding the coating agent P2 comes into contact with the base material 2, and the coating agent P2 on the coating region 13a is the base material 2 Is transcribed. Thereby, application
- region 13a has a substantially uniform diameter in the whole area
- non-application area 13b also has a substantially uniform diameter in the entire area in the rotation axis direction.
- the gravure roll 13 includes a roll core 13c formed of a metal such as iron having rigidity and toughness, and a ceramic having a predetermined thickness formed on the outer surface of the roll core 13c. And a layer 13d.
- the ceramic layer 13d is formed by plasma spraying ceramic powder (such as chromium oxide) on the outer surface of the roll core 13c.
- a gravure pattern is formed in the area
- the thickness of the ceramic layer 13d can be appropriately set in consideration of wear resistance and the like.
- the thickness of the ceramic layer 13d is larger than the groove depth of the gravure pattern formed in the application region 13a.
- wear of the gravure roll 13 can be suppressed by forming the outer surface of the gravure roll 13 with the ceramic layer 13d and forming the doctor blade 16 with a resin material.
- the outer diameter R1 of the application region 13a and the outer diameter R2 of the non-application region 13b can be set as appropriate. However, if the outer diameter R2 is too small, the strength of the gravure roll 13 is lowered. Therefore, the outer diameter R2 may be set within a range in which the strength can be secured. And outer diameter R1 should just be larger than outer diameter R2.
- a cover member 18 shown in FIG. 3 is disposed in a portion corresponding to the non-application region 13b in the gravure roll 13.
- the cover member 18 has a shape with a curvature, and can be formed of Teflon (registered trademark) or the like.
- the inner peripheral surface 18a of the cover member 18 is formed in a shape along the non-application area 13b of the gravure roll 13, and faces the non-application area 13b.
- a gap for ensuring the rotation of the gravure roll 13 is formed between the inner peripheral surface 18a of the cover member 18 and the non-application area 13b.
- the outer peripheral surface 18b of the cover member 18 is formed in a shape along the accommodating portion 15a of the coating agent supplier 15, and is fixed to the accommodating portion 15a.
- the width of the cover member 18 is substantially equal to the width of the non-application area 13b (length in the rotation axis direction).
- FIG. 4 is a schematic diagram showing the configuration of the gravure roll 13, the cover member 18, and the coating agent P ⁇ b> 2 located inside the housing portion 15 a.
- the gravure roll 13 can be disposed so that the non-application region 13b is located away from the interface of the coating agent P2.
- a part of the region is in contact with the coating agent P2.
- the solvent P ⁇ b> 1 is applied to the substrate 2 using the spray coating device 30 ( Spraying).
- the base material 2 fed out from the original fabric roll moves along the stretching roll 20 and the stretching roll 11.
- the stretch roll 20 can be moved in the vertical direction in FIG. 1 and the amount of movement can be adjusted.
- the spray coating device 30 injects the solvent P1 onto the base material 2 located between the spreading rolls 20 and 11.
- the spray application device 30 includes a plurality of spray nozzles 31 and a supply pipe 32 for supplying the solvent P ⁇ b> 1 to each spray nozzle 31.
- the supply pipe 32 is connected to a tank (not shown) that contains the solvent P 1, and supplies the solvent P 1 in the tank to the spray nozzle 31.
- the same number of spray nozzles 31 as the number of application regions 13 a in the gravure roll 13 are provided.
- Each spray nozzle 31 sprays a solvent P1 having a predetermined width (spread) onto the base material 2.
- the width of the application region of the solvent P1 (the length in the left-right direction in FIG. 5) is narrower than the width of the application region of the coating agent P2.
- the width of the application region of the solvent P1 may be substantially equal to the width of the application region of the coating agent P2.
- Solvent P1 is a liquid having a lower viscosity than the coating agent P2 (low viscosity liquid). Moreover, since the coating agent P2 is applied after the coating step of the solvent P1, the solvent P1 preferably has compatibility with the coating agent P2. Thereby, the affinity of the coating agent P2 with respect to the solvent P1 can be improved.
- the solvent P1 for example, when the coating agent P2 contains an organic solvent, it is preferable to use an organic solvent.
- the organic solvent of the coating agent P2 and the organic solvent of the solvent P1 may be the same compound or different compounds.
- the coating agent P2 contains water, it is preferable to use water as the solvent P1.
- the inside or outside of the layer of the coating agent P2 applied to the base material 2 is applied. It is possible to prevent bubble marks from remaining on the surface.
- this content is demonstrated concretely.
- the solvent P1 When the solvent P1 is applied to the porous substrate 2, the solvent P1 enters the inside of the substrate 2 as in the case described with reference to FIG. At this time, the air existing inside the base material 2 advances in the direction opposite to the direction of gravity due to the penetration of the solvent P1, and tries to escape to the outside.
- the solvent P1 having a viscosity lower than that of the coating agent P2 is applied to the base material 2, the air existing inside the base material 2 can easily escape to the outside. Yes. Thereby, it is made to suppress that a bubble remains in the inside of the base material 2 or the layer of the solvent P1.
- the coating amount of the solvent P1 can be set in consideration of the porosity in the porous substrate 2. That is, if the space existing inside the base material 2 is filled with the solvent P1, the air existing inside the base material 2 can be completely let out. Therefore, it is preferable that the coating amount of the solvent P1 be equal to or more than the amount corresponding to the porosity in the substrate 2.
- the base material 2 coated with the solvent P1 and the coating agent P2 is conveyed to a drying furnace and subjected to a drying process. At this time, the solvent P1 and the solvent (solvent) contained in the coating agent P2 are vaporized by the drying process.
- the base material 2 that has passed through the drying furnace is wound as a product after being cut for each region where the coating agent P2 is applied.
- region in the base material 2 it can also wind up as a product in the state which passed the drying furnace, without cut
- the coating apparatus of the present embodiment can be used for manufacturing an electrode of a secondary battery such as a lithium ion battery. Specifically, it is used when a material for forming an electrode layer (corresponding to the coating agent P2) is applied to the current collector as the substrate 2.
- the current collector for example, copper or aluminum can be used.
- the material for forming the electrode layer include an active material corresponding to the positive electrode layer and the negative electrode layer, a binder for binding the active material, and a solvent for dissolving the active material and the binder. included.
- the solvent include organic solvents such as N-methylpyrrolidone (NMP), methyl ethyl ketone (MEK), and cyclohexanone, and water.
- NMP N-methylpyrrolidone
- MEK methyl ethyl ketone
- cyclohexanone cyclohexanone
- the coating apparatus of the present invention can be used.
- the inorganic oxide include Al 2 O 3 , MgO, and SiO 2 .
- the electrode layer to which the inorganic oxide is applied include a layer (negative electrode layer) formed of carbon or the like.
- the width of the solvent P1 is defined as the width of the electrode layer. Must be approximately equal. This is because when the width of the solvent P1 applied is wider than the width of the electrode layer, the solvent P1 protruding from the electrode layer spreads on the current collector.
- the coating apparatus of a present Example is not used only when manufacturing the electrode of a secondary battery, but if what apply
- the present invention is not limited to this. That is, even if it is not porous, the present invention can be applied as long as the outer surface to which the coating agent P2 is applied has an uneven shape. Even in the case where the coating agent P2 is applied to a substrate having an uneven outer surface, a phenomenon in which air bubbles escape due to the principle described with reference to FIG. Therefore, it is possible to suppress the occurrence of bubble marks by applying the solvent P1 in advance to the substrate having an uneven outer surface to remove the bubbles and then applying the coating agent P2. it can.
- FIG. 6 is a schematic diagram showing the configuration of the coating apparatus of the present embodiment
- FIG. 7 is a schematic diagram showing the coating process. 6 and 7, the same members as those described in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted. Hereinafter, differences from the first embodiment will be mainly described.
- the spray coating device 30 is used to apply the solvent P1 to the substrate 2, but in this embodiment, a gravure coating device 40 is used instead of the spray coating device 30. That is, the solvent P1 and the coating agent P2 are applied to the substrate 2 using the two gravure coating apparatuses 10 and 40.
- the gravure coating apparatus 40 is for wiping off the storage member 41 that contains the solvent P1, the gravure roll (roll member) 42 for transferring the solvent P1 to the substrate 2, and the excess solvent P1 that has adhered to the gravure roll 42. And a doctor blade 43.
- the doctor blade 43 is held by a holder 44.
- the gravure roll 42 and the doctor blade 43 have the same configuration as the gravure roll 13 and the doctor blade 16 described in the first embodiment.
- the gravure roll 42 has a coating region 42 a engraved with a gravure pattern in the circumferential direction and a non-coating region 42 b where the gravure pattern is not engraved in the circumferential direction. .
- the solvent P1 is applied to the base material 2 before the coating agent P2 is applied to the base material 2, the same effects as in the first embodiment can be obtained.
- the solvent P1 is applied using the gravure roll 42, the solvent P1 can be accurately applied to a specific region of the substrate 2.
- the spray coating device 30 and the gravure coating device 40 are used to apply the solvent P1 to the substrate 2
- the gravure coating device 10 is used to apply the coating agent P2 to the substrate 2.
- any configuration may be used as long as the apparatus can apply the solvent P1 and the coating agent P2 to the base material 2.
- a spray coating apparatus can be used.
- coating apparatuses using other methods can be used.
- examples of other systems include a bar coater, a curtain coater, a knife coater, and a dip coater.
- gravure coating device 13 gravure roll 13a: coating region 13b: non-coating region 2: substrate 30: spray coating device 31: spray nozzle 32: supply pipe 41: gravure coating device P1: solvent P2: coating agent
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Abstract
Description
13:グラビアロール
13a:塗布領域
13b:非塗布領域
2:基材
30:スプレー塗布装置
31:スプレーノズル
32:供給管
41:グラビア塗布装置
P1:溶剤
P2:塗布剤
Claims (13)
- 少なくとも外表面が凹凸形状の基材に対して液状の塗布剤を塗布する前に、前記基材のうち前記塗布剤が塗布される領域内に前記塗布剤よりも粘度の低い低粘度液体を塗布することを特徴とする塗布装置。
- 前記基材に対して前記低粘度液体を噴射するスプレーユニットを有することを特徴とする請求項1に記載の塗布装置。
- 前記低粘度液体を収容する収容部材と、
回転動作により、前記収容部材内の前記低粘度液体を前記基材に塗布するロール部材と、を有することを特徴とする請求項1に記載の塗布装置。 - 前記塗布剤を収容する収容部材と、
回転動作により、前記収容部材内の前記塗布剤を前記基材に塗布するロール部材と、を有することを特徴とする請求項1から3のいずれか1つに記載の塗布装置。 - 前記低粘度液体は、前記塗布剤に対して相溶性を有する液体であることを特徴とする請求項1から4のいずれか1つに記載の塗布装置。
- 前記基材に塗布される前記低粘度液体の量は、前記基材に含まれる空間部を満たす量以上であることを特徴とする請求項1から5のいずれか1つに記載の塗布装置。
- 前記基材が多孔質体であることを特徴とする請求項1から6のいずれか1つに記載の塗布装置。
- 前記基材及び前記塗布剤が、二次電池の電極を構成する材料であることを特徴とする請求項1から7のいずれか1つに記載の塗布装置。
- 少なくとも外表面が凹凸形状の基材に対して塗布剤を塗布する第1工程と、
前記第1工程よりも前に、前記基材のうち前記塗布剤が塗布される領域内に前記塗布剤よりも粘度の低い低粘度液体を塗布する第2工程と、を有することを特徴とする塗布方法。 - 前記低粘度液体は、前記塗布剤に対して相溶性を有する液体であることを特徴とする請求項9に記載の塗布方法。
- 前記基材に塗布される前記低粘度液体の量は、前記基材に含まれる空間部を満たす量以上であることを特徴とする請求項9又は10に記載の塗布方法。
- 前記基材が多孔質体であることを特徴とする請求項9から11のいずれか1つに記載の塗布方法。
- 請求項9から12のいずれか1つに記載の塗布方法を用いて、二次電池の電極を製造することを特徴とする電極製造方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/812,281 US20120183681A1 (en) | 2008-04-07 | 2009-03-03 | Application apparatus and application method |
CN200980112130.1A CN102089904B (zh) | 2008-04-07 | 2009-03-03 | 涂敷装置以及涂敷方法 |
KR1020107015317A KR101195715B1 (ko) | 2008-04-07 | 2009-03-03 | 도포 장치 및 도포 방법 |
US14/096,437 US20140090593A1 (en) | 2008-04-07 | 2013-12-04 | Application apparatus and application method |
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JP2008098920A JP5169395B2 (ja) | 2008-04-07 | 2008-04-07 | 塗布装置及び塗布方法 |
JP2008-098920 | 2008-04-07 |
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US12/812,281 A-371-Of-International US20120183681A1 (en) | 2008-04-07 | 2009-03-03 | Application apparatus and application method |
US14/096,437 Division US20140090593A1 (en) | 2008-04-07 | 2013-12-04 | Application apparatus and application method |
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JP (1) | JP5169395B2 (ja) |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102145327A (zh) * | 2010-02-04 | 2011-08-10 | 三星Sdi株式会社 | 用于涂敷功能层的设备和方法 |
Families Citing this family (8)
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WO2012086047A1 (ja) * | 2010-12-24 | 2012-06-28 | トヨタ自動車株式会社 | 塗工装置および電極板の製造方法 |
US8586138B2 (en) * | 2011-01-19 | 2013-11-19 | Halliburton Energy Services, Inc. | Method of coating a porous substrate with a thermoplastic material from the outside of the substrate |
JP5739762B2 (ja) * | 2011-07-29 | 2015-06-24 | 株式会社Uacj | 集電体の製造方法 |
JP6371527B2 (ja) * | 2014-01-07 | 2018-08-08 | 富士機械工業株式会社 | 塗工装置 |
CN108672200A (zh) * | 2018-04-28 | 2018-10-19 | 深圳市曼恩斯特科技有限公司 | 涂布装置及涂布方法 |
CN108943971B (zh) * | 2018-06-21 | 2021-03-16 | 江苏中船海洋设备有限公司 | 智能感应平衡复合机 |
US20220045310A1 (en) * | 2018-12-26 | 2022-02-10 | Panasonic Intellectual Property Management Co., Ltd. | Method for manufacturing electrode |
CN217774594U (zh) * | 2022-05-05 | 2022-11-11 | 宁德时代新能源科技股份有限公司 | 涂布系统 |
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JP2004051833A (ja) * | 2002-07-22 | 2004-02-19 | Nitto Denko Corp | 粘着テープの製造方法およびその装置 |
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US3578505A (en) * | 1966-07-08 | 1971-05-11 | Atlantic Richfield Co | Process for preparing a fuel cell electrode |
US5651316A (en) * | 1995-10-02 | 1997-07-29 | Howard W. DeMoore | Retractable printing/coating unit operable on the plate and blanket cylinders simultaneously from the dampener side of the first printing unit or any consecutive printing unit of any rotary offset printing press |
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- 2008-04-07 JP JP2008098920A patent/JP5169395B2/ja not_active Expired - Fee Related
-
2009
- 2009-03-03 WO PCT/JP2009/053941 patent/WO2009125634A1/ja active Application Filing
- 2009-03-03 CN CN200980112130.1A patent/CN102089904B/zh not_active Expired - Fee Related
- 2009-03-03 US US12/812,281 patent/US20120183681A1/en not_active Abandoned
- 2009-03-03 KR KR1020107015317A patent/KR101195715B1/ko not_active IP Right Cessation
-
2013
- 2013-12-04 US US14/096,437 patent/US20140090593A1/en not_active Abandoned
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JP2000286167A (ja) * | 1999-03-29 | 2000-10-13 | Toyota Motor Corp | 電池・キャパシタ用電極の製造方法 |
JP2004051833A (ja) * | 2002-07-22 | 2004-02-19 | Nitto Denko Corp | 粘着テープの製造方法およびその装置 |
JP2005177594A (ja) * | 2003-12-18 | 2005-07-07 | Jfe Steel Kk | 連続塗装方法及び連続塗装装置 |
Cited By (3)
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CN102145327A (zh) * | 2010-02-04 | 2011-08-10 | 三星Sdi株式会社 | 用于涂敷功能层的设备和方法 |
CN102145327B (zh) * | 2010-02-04 | 2014-01-29 | 三星Sdi株式会社 | 用于涂敷功能层的设备和方法 |
US9088043B2 (en) | 2010-02-04 | 2015-07-21 | Samsung Sdi Co., Ltd. | Apparatus and method for coating a functional layer |
Also Published As
Publication number | Publication date |
---|---|
CN102089904A (zh) | 2011-06-08 |
CN102089904B (zh) | 2014-11-12 |
KR20100088712A (ko) | 2010-08-10 |
US20120183681A1 (en) | 2012-07-19 |
KR101195715B1 (ko) | 2012-10-29 |
JP5169395B2 (ja) | 2013-03-27 |
US20140090593A1 (en) | 2014-04-03 |
JP2009247985A (ja) | 2009-10-29 |
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