WO2023085770A1 - 전극 코팅 장치 및 방법 - Google Patents
전극 코팅 장치 및 방법 Download PDFInfo
- Publication number
- WO2023085770A1 WO2023085770A1 PCT/KR2022/017550 KR2022017550W WO2023085770A1 WO 2023085770 A1 WO2023085770 A1 WO 2023085770A1 KR 2022017550 W KR2022017550 W KR 2022017550W WO 2023085770 A1 WO2023085770 A1 WO 2023085770A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- electrode
- turbulence generator
- electrode slurry
- die coater
- flow path
- Prior art date
Links
- 238000000576 coating method Methods 0.000 title claims abstract description 43
- 239000011248 coating agent Substances 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 6
- 239000011267 electrode slurry Substances 0.000 claims description 52
- 239000000758 substrate Substances 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 abstract description 12
- 238000009826 distribution Methods 0.000 abstract description 7
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 239000011149 active material Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Classifications
-
- 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
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0254—Coating heads with slot-shaped outlet
- B05C5/0258—Coating heads with slot-shaped outlet flow controlled, e.g. by a valve
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/40—Static mixers
- B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
- B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
- B01F25/432—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction with means for dividing the material flow into separate sub-flows and for repositioning and recombining these sub-flows; Cross-mixing, e.g. conducting the outer layer of the material nearer to the axis of the tube or vice-versa
- B01F25/4323—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction with means for dividing the material flow into separate sub-flows and for repositioning and recombining these sub-flows; Cross-mixing, e.g. conducting the outer layer of the material nearer to the axis of the tube or vice-versa using elements provided with a plurality of channels or using a plurality of tubes which can either be placed between common spaces or collectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
-
- 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
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
-
- 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
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0254—Coating heads with slot-shaped outlet
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F2025/91—Direction of flow or arrangement of feed and discharge openings
- B01F2025/916—Turbulent flow, i.e. every point of the flow moves in a random direction and intermixes
-
- 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 specification relates to an electrode coating device and an electrode coating method.
- lithium secondary batteries such as lithium ion batteries and lithium ion polymer batteries, which have advantages such as high energy density, discharge voltage, and output stability.
- a secondary battery has a structure including an electrode assembly having a stacked structure of a positive electrode, a negative electrode, and a separator positioned between the positive electrode and the negative electrode.
- the positive and negative electrodes are prepared by coating a slurry containing an active material on a current collector.
- the present specification is intended to provide an electrode coating device and an electrode coating method.
- An exemplary embodiment of the present specification includes a die coater for applying electrode slurry on a substrate, an inlet for supplying the electrode slurry to the die coater, a flow path having an end coupled to the inlet so that the electrode slurry moves toward the die coater, and a turbulence generator provided in the flow path to generate turbulence in the electrode slurry moving along the flow path.
- Another embodiment of the present specification is an electrode coating method using a die coater for applying an electrode slurry on a substrate, before injecting the electrode slurry into the die coater, turbulence in the flow of the electrode slurry by passing through a turbulence generator generating a; injecting the electrode slurry that has passed through the turbulence generator into the die coater; And it provides an electrode coating method comprising the step of applying an electrode slurry on a substrate with the die coater.
- the speed distribution of the coating material transferred from the supply tank to the slot die inlet can be uniform.
- the electrode coating apparatus and method of one embodiment of the present specification it is possible to reduce the width direction deviation of the coating material transferred from the supply tank to the slot die inlet.
- 1 is a schematic diagram showing an electrode coating device.
- FIG. 2(a) is a perspective view and vertical cross-sectional view of a turbulence generator having a mesh pattern according to one embodiment
- FIG. 2(b) is a perspective view and vertical cross-sectional view of a turbulence generator having a honeycomb structure according to another embodiment.
- FIG 3 is an exploded perspective view illustrating an electrode coating device.
- FIG. 4 is a cross-sectional view of a conventional electrode coating device, showing a path in which electrode slurry moves to a slot die tip and a flow rate in a flow path.
- FIG. 5 is a cross-sectional view of an electrode coating apparatus according to an exemplary embodiment, illustrating a path in which electrode slurry moves to a slot die tip and a change in flow rate in a flow path due to a turbulence generator.
- FIG. 6(a) is a perspective view and vertical cross-sectional view of a turbulence generator having a mesh pattern according to another embodiment
- FIG. 6(b) is a perspective view and vertical cross-sectional view of a turbulence generator having a honeycomb structure according to another embodiment.
- the electrode coating apparatus 100 includes a supply tank 50, a die coater 10, an inlet 20, a flow path 30, and a turbulence generator 40.
- One end of the inlet 20 may be coupled to the electrode slurry passage 30 through which the electrode slurry is moved from the supply tank 50 .
- a flow path 30 through which the electrode slurry moves from the supply tank 50 to the die coater 10 is formed, and a turbulence generator 40 is provided in the flow path 30.
- the inlet 20 is a pipe protruding from the side of the die coater, one end of the turbulence generator 40 is fastened to the end of the pipe, and the other end is an electrode slurry supply pipe ( 60), and the passage 30 may be a path through which the electrode slurry moved from the electrode slurry supply pipe passes through the turbulence generator and is injected into the pipe.
- FIG. 2(a) is a perspective view and vertical cross-sectional view of a turbulence generator having a mesh pattern according to one embodiment
- FIG. 2(b) is a perspective view and vertical cross-sectional view of a turbulence generator having a honeycomb structure according to another embodiment.
- a turbulence generator 40 is provided in the passage 30 .
- the turbulence generator 40 may be installed as an integrated module with the flow path 30 or may be installed and separated as a replaceable module.
- installation is simple, replacement is easy, and maintenance is easy.
- the die coater 10 if the turbulence generator 40 is located inside the die coater 10, in order to replace the turbulence generator 40 in the die coater 10, the die coater 10 must be dismantled and separated, or the die coater 10 itself It is troublesome to have to replace the .
- the turbulence generator 40 generates turbulence in the electrode slurry moving along the flow path 30 . It is preferable to select a shape that minimizes the pressure drop due to the addition of a structure in the flow path 30, and it is not preferable to use a shape that blocks fluidity in the flow path 30, that is, a plate that is not parallel to the flow direction. Specifically, if the turbulence generator 40 can form a turbulent flow to the extent that the flow is split with an additional structure, the distribution of velocity can be uniform while minimizing the pressure drop.
- the structure constituting the turbulence generator 40 is a thin metal thread or a plate provided in parallel with the flow direction, so that the moving electrode slurry 2 moves along the plate. As the flow is ground under the influence of the edge, that is, the thickness of the plate, the speed deviation is reduced.
- the electrode coating apparatus 100 includes a turbulence generator 40 to uniformize the speed distribution of the coating material transferred to the slot die inlet 20 .
- a turbulence generator 40 to uniformize the speed distribution of the coating material transferred to the slot die inlet 20 .
- the electrode slurry 2 moves to the slot die tip and passes through the turbulence generator, the variation in flow velocity is reduced due to turbulence, and the electrode slurry 2 with a uniform velocity distribution is applied more evenly do.
- a cross section of the turbulence generator 40 may have a pattern in which a plurality of polygons are adjacent to each other vertically in the longitudinal direction of the passage.
- the polygon is a planar figure having three or more vertices, and may specifically have 3 to 10 vertices.
- the polygon may be a triangle, a quadrangle, a pentagon, or a hexagon.
- the turbulence generator 40 may include a plate forming the polygon or a metal thread forming the polygon.
- the plate may be a metal plate, and the material of the plate is not particularly limited as long as it can maintain sufficient strength for maintaining the shape without being affected by or not affected by the electrode slurry, but the material of the plate may be stainless steel such as SUS304.
- the thickness of the plate is not particularly limited as long as it can maintain sufficient strength for maintaining its shape. For example, the thickness of the plate may be greater than or equal to 0.1 mm and less than or equal to 10 mm.
- the material of the metal thread is not particularly limited as long as it can maintain sufficient strength for maintaining the shape without being affected by or not affected by the electrode slurry, but the material of the metal thread may be stainless steel such as SUS304.
- the thickness of the metal thread that is, the diameter of the vertical section in the longitudinal direction, is not particularly limited as long as it can maintain sufficient strength for maintaining its shape.
- the thickness of the metal thread may be 0.1 mm or more and 10 mm or less.
- a cross section of the turbulence generator 40 may have a mesh pattern or a honeycomb structure perpendicular to the longitudinal direction of the passage.
- the cross section of the turbulence generator 40 perpendicular to the longitudinal direction of the flow path 30, is a mesh pattern.
- the density of the mesh pattern is too high, that is, if the area of the square of the minimum unit 41 is too narrow, the pressure drop increases, so the density of the mesh pattern is preferably low.
- the area of the square of the minimum unit 41 of the mesh pattern is 3% or more, 4% or more, 5% or more, 6% or more, 7% or more, 8% or more, 9% or more, Alternatively, it may be 10% or more and 20% or less, specifically, 10% or more and 20% or less.
- the flow velocity due to the turbulence generator can be equalized while minimizing the pressure drop.
- the number of minimum units 41 that is, the number of squares is 10 or less.
- the number of minimum units is the number of closed figures maintaining the shape of a repeated square.
- the number of minimum units 41 that is, the number of squares may be 10.
- the number of minimum units is the number of closed figures maintaining the shape of a repeated square.
- the cross section of the turbulence generator 40 perpendicular to the longitudinal direction of the flow path, has a honeycomb structure.
- the density of the honeycomb structure is too high, that is, if the area of the hexagon of the minimum unit 41 is too narrow, the pressure drop increases, so the density of the honeycomb structure is preferably low.
- the area of the hexagon of the smallest unit (41) of the honeycomb structure is 3% or more, 4% or more, 5% or more, 6% or more, 7% or more, 8% or more, 9% or more of the total area of the cross section of the channel (30).
- % or more, or 10% or more and may be 20% or less, specifically, 10% or more and 20% or less.
- the flow velocity due to the turbulence generator 40 can be uniformed while minimizing the pressure drop.
- the number of minimum units 41 that is, the number of hexagons, is 10 or less.
- the number of minimum units is the number of closed figures maintaining the repeated hexagonal shape.
- the number of minimum units 41 in the cross section of the passage 30 in the longitudinal direction, may be seven.
- the number of minimum units is the number of closed figures maintaining the repeated hexagonal shape.
- the die coater 10 applies the electrode slurry 2 on the substrate 1 .
- the configuration of the die coater includes a first die, a second die, and a shim provided between the first die and the second die to discharge the electrode slurry, and at least one of the first die and the second die
- An electrode slurry inlet 20 penetrating the side surface is provided.
- the inlet 20 may be a simple hole or may protrude from a side surface of the die coater.
- the inlet 20 may be a pipe that passes through a side surface of at least one of the first die and the second die and protrudes from the side surface.
- One end of the inlet 20 may be coupled to an electrode slurry supply pipe 60 through which the electrode slurry is moved from the supply tank 50 .
- the flow path 30 through which the electrode slurry moves from the supply tank 50 to the die coater 10 is formed.
- a turbulence generator 40 may be provided in a pipe protruding from the side of the die coater or in the supply pipe 60 of the electrode slurry.
- the electrode coating method using the die coater 10 for applying the electrode slurry 2 on the substrate before injecting the electrode slurry into the die coater 10, generating turbulence in the flow of the electrode slurry by passing it through a turbulence generator 40; injecting the electrode slurry that has passed through the turbulence generator into the die coater 10; And it provides an electrode coating method comprising the step of applying the electrode slurry (2) on the substrate (1) with the die coater (10).
- Description of the electrode coating method may refer to the description of the electrode coating device.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Materials Engineering (AREA)
- Coating Apparatus (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (9)
- 기재 상에 전극 슬러리를 도포하는 다이 코터,상기 다이 코터로 상기 전극 슬러리를 공급하는 주입구,상기 전극 슬러리가 상기 다이 코터 측으로 이동하도록, 상기 주입구에 단부가 결합된 유로, 및상기 유로 내 구비되어, 상기 유로를 따라 이동하는 상기 전극 슬러리에 난류를 발생시키는 난류 발생기를 포함하는 것인 전극 코팅 장치.
- 청구항 1에 있어서, 상기 유로의 길이방향의 수직으로, 상기 난류 발생기의 단면이 다수의 다각형이 인접한 패턴인 것인 전극 코팅 장치.
- 청구항 1에 있어서, 상기 유로의 길이방향의 수직으로, 상기 난류 발생기의 단면은 매쉬패턴 또는 벌집구조인 것인 전극 코팅 장치.
- 청구항 2에 있어서, 상기 난류 발생기는 상기 다각형을 형성하는 판을 포함하는 것인 전극 코팅 장치.
- 청구항 2에 있어서, 상기 난류 발생기는 상기 다각형을 형성하는 금속사를 포함하는 것인 전극 코팅 장치.
- 청구항 1에 있어서, 상기 주입구는 상기 다이 코터의 측면으로부터 돌출된 배관이며,상기 난류 발생기의 일단부는 상기 배관의 단부에 체결되고, 타단부는 전극 슬러리의 공급관의 단부와 체결되며,상기 유로는 상기 전극 슬러리의 공급관으로부터 이동된 상기 전극 슬러리가 상기 난류발생기를 통과하여 상기 배관으로 주입되는 경로인 것인 전극 코팅 장치.
- 기재 상에 전극 슬러리를 도포하는 다이 코터를 이용하는 전극 코팅 방법에 있어서,상기 다이 코터에 상기 전극 슬러리를 주입하기 전에, 난류 발생기를 통과시켜 상기 전극 슬러리의 유동에 난류를 발생시키는 단계;상기 난류 발생기를 통과한 상기 전극 슬러리를 상기 다이 코터에 주입하는 단계; 및상기 다이 코터로 상기 기재 상에 상기 전극 슬러리를 도포하는 단계를 포함하는 전극 코팅 방법.
- 청구항 7에 있어서, 상기 난류 발생기의 단면이 다수의 다각형이 인접한 패턴인 것인 전극 코팅 방법.
- 청구항 7에 있어서, 상기 난류 발생기의 단면은 매쉬패턴 또는 벌집구조인 것인 전극 코팅 방법.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202280008944.6A CN116801990A (zh) | 2021-11-09 | 2022-11-09 | 电极涂覆设备及电极涂覆方法 |
JP2023541349A JP2024502456A (ja) | 2021-11-09 | 2022-11-09 | 電極コーティング装置及び方法 |
EP22893190.3A EP4261917A1 (en) | 2021-11-09 | 2022-11-09 | Apparatus and method for coating electrode |
US18/273,688 US20240075494A1 (en) | 2021-11-09 | 2022-11-09 | Apparatus and Method for Coating Electrode |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2021-0153050 | 2021-11-09 | ||
KR1020210153050A KR20230067200A (ko) | 2021-11-09 | 2021-11-09 | 전극 코팅 장치 및 방법 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2023085770A1 true WO2023085770A1 (ko) | 2023-05-19 |
Family
ID=86336247
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2022/017550 WO2023085770A1 (ko) | 2021-11-09 | 2022-11-09 | 전극 코팅 장치 및 방법 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20240075494A1 (ko) |
EP (1) | EP4261917A1 (ko) |
JP (1) | JP2024502456A (ko) |
KR (1) | KR20230067200A (ko) |
CN (1) | CN116801990A (ko) |
WO (1) | WO2023085770A1 (ko) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005213732A (ja) * | 2004-01-27 | 2005-08-11 | Chubu Shokusei:Kk | モルタル又はコンクリート用吹付け装置 |
US20100251815A1 (en) * | 2007-12-21 | 2010-10-07 | Norgren Gmbh | Thermal flow sensor with turbulence inducers |
KR20120117067A (ko) * | 2011-04-14 | 2012-10-24 | 삼성에스디아이 주식회사 | 이차 전지의 전극판 코팅 장치 |
KR101212201B1 (ko) * | 2010-07-02 | 2012-12-13 | 삼성에스디아이 주식회사 | 활물질 코팅 장치 |
JP2015058368A (ja) * | 2013-09-17 | 2015-03-30 | トヨタ自動車株式会社 | 塗工ダイとこれを有する塗工装置 |
KR20210153050A (ko) | 2019-04-18 | 2021-12-16 | 니폰 제온 가부시키가이샤 | 비수계 이차 전지 전극용 바인더 조성물, 비수계 이차 전지 정극용 슬러리 조성물, 비수계 이차 전지용 정극, 및 비수계 이차 전지 |
-
2021
- 2021-11-09 KR KR1020210153050A patent/KR20230067200A/ko active Search and Examination
-
2022
- 2022-11-09 JP JP2023541349A patent/JP2024502456A/ja active Pending
- 2022-11-09 EP EP22893190.3A patent/EP4261917A1/en active Pending
- 2022-11-09 CN CN202280008944.6A patent/CN116801990A/zh active Pending
- 2022-11-09 WO PCT/KR2022/017550 patent/WO2023085770A1/ko active Application Filing
- 2022-11-09 US US18/273,688 patent/US20240075494A1/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005213732A (ja) * | 2004-01-27 | 2005-08-11 | Chubu Shokusei:Kk | モルタル又はコンクリート用吹付け装置 |
US20100251815A1 (en) * | 2007-12-21 | 2010-10-07 | Norgren Gmbh | Thermal flow sensor with turbulence inducers |
KR101212201B1 (ko) * | 2010-07-02 | 2012-12-13 | 삼성에스디아이 주식회사 | 활물질 코팅 장치 |
KR20120117067A (ko) * | 2011-04-14 | 2012-10-24 | 삼성에스디아이 주식회사 | 이차 전지의 전극판 코팅 장치 |
JP2015058368A (ja) * | 2013-09-17 | 2015-03-30 | トヨタ自動車株式会社 | 塗工ダイとこれを有する塗工装置 |
KR20210153050A (ko) | 2019-04-18 | 2021-12-16 | 니폰 제온 가부시키가이샤 | 비수계 이차 전지 전극용 바인더 조성물, 비수계 이차 전지 정극용 슬러리 조성물, 비수계 이차 전지용 정극, 및 비수계 이차 전지 |
Also Published As
Publication number | Publication date |
---|---|
CN116801990A (zh) | 2023-09-22 |
KR20230067200A (ko) | 2023-05-16 |
JP2024502456A (ja) | 2024-01-19 |
EP4261917A1 (en) | 2023-10-18 |
US20240075494A1 (en) | 2024-03-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101944618B (zh) | 一种树状结构流场的质子交换膜燃料电池双极板 | |
WO2023085770A1 (ko) | 전극 코팅 장치 및 방법 | |
CN109904483B (zh) | 燃料电池双极板流场、双极板及电堆结构 | |
WO2017030272A1 (ko) | 진동을 이용한 전지셀 제조용 가스 트랩 제거 장치 | |
CN103227090B (zh) | 一种线性等离子体源 | |
US20210408314A1 (en) | Photovoltaic cell array and photovoltaic module | |
CN102082281B (zh) | 燃料电池 | |
WO2017026819A1 (ko) | 선편광 극초단 테라헤르츠 파 발생장치 | |
GB1211593A (en) | Improvements in or relating to fuel cells with an emulsified-reactant-carrying electrolyte | |
CN101304094B (zh) | 燃料电池极板及使用该极板的燃料电池 | |
KR20190048090A (ko) | 코팅용 슬롯 다이 | |
KR20090015711A (ko) | 전해질막 없는 마이크로 연료 전지 | |
WO2023085671A1 (ko) | 전극 슬러리 제공 장치, 코팅 장치 및 다이 코터 | |
WO2021045442A1 (ko) | 에어 벤트를 포함하는 슬롯 다이 코팅 장치 | |
CN100527501C (zh) | 一种用于燃料电池的流场板 | |
KR101884381B1 (ko) | 레독스 흐름 전지용 분리판 및 이를 포함하는 레독스 흐름 전지 | |
CN110867594B (zh) | 液流电池流场结构 | |
CN210304376U (zh) | 一种适用于实验室小型锂电池极片涂布装置 | |
WO2021241902A1 (ko) | 슬롯 다이 코팅장치 | |
KR20180031998A (ko) | 레독스 흐름전지용 전해액 혼합 장치 | |
CN112928294A (zh) | 一种液流电池电堆 | |
CN219519377U (zh) | 一种涂布垫片及涂布装置 | |
CN220272515U (zh) | 液流电池用液流流道、液流框装置及液流电池 | |
WO2018101754A1 (ko) | 분리판 및 이를 포함하는 연료전지 스택 | |
CN219435907U (zh) | 一种集流体、极片以及电芯 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 22893190 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 202280008944.6 Country of ref document: CN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2023541349 Country of ref document: JP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 18273688 Country of ref document: US |
|
ENP | Entry into the national phase |
Ref document number: 2022893190 Country of ref document: EP Effective date: 20230713 |