WO2023063705A1 - 탈부착 가능한 스페이서 심들을 포함하는 리튬 이차전지용 코팅 다이 - Google Patents
탈부착 가능한 스페이서 심들을 포함하는 리튬 이차전지용 코팅 다이 Download PDFInfo
- Publication number
- WO2023063705A1 WO2023063705A1 PCT/KR2022/015360 KR2022015360W WO2023063705A1 WO 2023063705 A1 WO2023063705 A1 WO 2023063705A1 KR 2022015360 W KR2022015360 W KR 2022015360W WO 2023063705 A1 WO2023063705 A1 WO 2023063705A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- die plate
- die
- coating
- plate
- spacer shims
- Prior art date
Links
- 239000011248 coating agent Substances 0.000 title claims abstract description 53
- 238000000576 coating method Methods 0.000 title claims abstract description 53
- 125000006850 spacer group Chemical group 0.000 title claims abstract description 40
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims description 13
- 229910052744 lithium Inorganic materials 0.000 title claims description 13
- 239000002002 slurry Substances 0.000 claims description 28
- 239000007788 liquid Substances 0.000 claims description 27
- 239000011149 active material Substances 0.000 claims description 22
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
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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
-
- 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
-
- 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
- B05C5/0262—Coating heads with slot-shaped outlet adjustable in width, i.e. having lips movable relative to each other in order to modify the slot width, e.g. to close it
-
- 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
- B05C5/027—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated
-
- 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
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/06—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying two different liquids or other fluent materials, or the same liquid or other fluent material twice, to the same side of the work
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
-
- 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 die for a lithium secondary battery including detachable spacer shims.
- Such a lithium secondary battery is generally manufactured by stacking or winding positive and negative electrodes with a separator interposed therebetween, and embedding them together with an electrolyte in a battery case.
- electrodes such as the positive electrode and the negative electrode are manufactured by coating, drying, and rolling an active material slurry on a current collector.
- the coating of the active material slurry is generally performed by a coating die in the form of discharging the active material slurry.
- FIG. 1 a perspective view of the coating die 10 is shown in FIG. 1 below.
- this coating die 10 is composed of an upper coating die 11, a lower coating die 12, and a shim assembly 13 interposed therebetween.
- the shim assembly 13 has a configuration in which the body shim 14 forming a bond with the upper coating die 11 and the lower coating die 12 and the spacer shims 15, 16, 17, and 18 discharging the insulating liquid are integrated.
- An object of the present invention is to provide a coating die for a lithium secondary battery having a novel structure in which the coating width, loading, and mismatch of active material slurry or insulating liquid for each lane can be adjusted as needed.
- a coating die for a lithium secondary battery according to an embodiment of the present invention is a coating die for a lithium secondary battery according to an embodiment of the present invention.
- the shim assembly includes a body shim and one or more spacer shims;
- the spacer shims are characterized in that they are formed to be individually detachable from the coating die.
- the upper die plate may include an insulating liquid injection path into which an insulating liquid is injected.
- the insulating liquid injection path may be formed from the top to the bottom.
- the lower die plate may include a slurry input path coupled to the upper die plate and into which the active material slurry is introduced, and a manifold storing the active material slurry.
- the lower die plate It may be coupled to the die top plate by fixing pins, fixing bolts, or both.
- the body shim is coupled to the upper die plate and the lower die plate, so as not to cover the manifold formed on the lower die plate and storing the active material slurry, the opening toward the outside where the coating is made from the manifold It may have a discharge port for discharging the active material slurry stored in the manifold.
- the body shim may be coupled to the upper die plate and the lower die plate by fixing pins, fixing bolts, or both.
- the spacer shims are coupled to the upper die plate, the lower die plate, or the upper die plate and the lower die plate, respectively, and are positioned to correspond to the insulating liquid input path of the upper die plate, and are positioned to correspond to the input path of the upper die plate. It may include an insulating flow path for storing and discharging the insulating liquid introduced therefrom.
- the spacer shims may be coupled to the upper die plate, the lower die plate, or the upper and lower die plates by fixing pins, fixing bolts, or both.
- the spacer shims may be formed to be detachable from the coating die.
- the spacer shims may be included in one or less to less than the number of insulating liquid injection paths formed on the die upper plate.
- FIG. 1 is a perspective view of a coating die for a conventional lithium secondary battery.
- FIG. 2 is a perspective view of a coating die for a lithium secondary battery according to an embodiment of the present invention.
- FIG. 3 is a cross-sectional view of the die top of FIG. 1;
- FIG. 4 is a perspective view of the spacer shim of FIG. 1;
- the present invention is a coating die for a lithium secondary battery
- the coating die includes a die upper plate, a lower die plate, and a shim assembly interposed between the upper die plate and the lower die plate,
- the shim assembly includes a body shim and one or more spacer shims;
- the spacer shims are provided with a coating die formed to be individually detachable from the coating die.
- FIG. 2 is a perspective view of a coating die 100 for a lithium secondary battery according to one embodiment of the present invention
- FIG. 3 is a cross-sectional view of the coating die 100 from the top plate 110 of the die
- FIG. 4 is a coating die.
- a perspective view of one spacer shim 132 of die 100 is shown.
- the coating die 100 for a lithium secondary battery includes a die upper plate 110, a lower die plate 120, and a core interposed between the upper die plate 110 and the lower die plate 120 ( shim assembly 130 , which includes a body shim 131 and one or more spacer shims 132 , 133 , 134 , 135 .
- the upper die plate 110 includes a coupling hole 141 into which fixing pins, fixing bolts, or both of them are inserted, and an insulating liquid input path 142 into which an insulating liquid is injected.
- the insulating liquid injection path 142 is formed from the top to the bottom and is formed in a shape penetrating the die top plate 110, through which the spacer shims 132, 133, 134, 135) to introduce the insulating liquid.
- the coupling hole 141 is formed for coupling between the body shim 130 and the lower die plate 120, which will be described later.
- the lower die plate 120 includes a slurry input path (not shown) into which the active material slurry is input, and a manifold 121 for storing the active material slurry.
- the slurry input path has a structure connected to the manifold 121. Accordingly, the active material slurry introduced from the slurry input path reaches the manifold 121 and is stored.
- the active material slurry stored in the manifold 121 is discharged from the discharge port 136 of the body shim 131 of the shim assembly 130 of the coating die in an assembled state, which will be described later, to perform electrode coating.
- the lower die plate 120 is coupled to the upper die plate 110. At this time, since it can be coupled by a fixing pin, a fixing bolt, or both, the lower die plate 120 can also be coupled to the upper die plate 110. Coupling holes 122 and 123 may be included.
- the body shim 131 is formed on the lower die plate 120 and does not cover the manifold 121 storing the active material slurry, so as not to cover the outside of the manifold 121 where the coating is made. It has a discharge port 136 for discharging the active material slurry stored in the manifold 121.
- the active material slurry stored in the manifold 121 is discharged through the outlet 136 .
- the body shim 131 simply has a 'c' shape.
- the body shim 131 is coupled to the upper die plate 110 and the lower die plate 120 .
- the coupling of the body shim 131 may also be formed by a fixing pin, a fixing bolt, or both, and therefore, the body shim 131 may include coupling holes 137 and 138 into which they can be inserted.
- the spacer shims 132 , 133 , 134 , and 135 included in the coating die 100 of the present application are configured to be individually detachable.
- the spacer shims 132 , 133 , 134 , and 135 are individually combined with the upper die plate 110 , the lower die plate 120 , or the upper die plate 110 and the lower die plate 120 .
- the spacer shims 132, 133, 134, and 135 are connected to the upper die plate 110, the lower die plate 120, or the upper die plate 110 by fixing pins, fixing bolts, or both. It may be coupled to the lower plate 120.
- the fixing pin and the fixing bolt are formed in a structure capable of coupling and removal, so that the spacer shims 132 , 133 , 134 , and 135 are detachably attached to the coating die 100 .
- the spacer shims 132, 133, 134, and 135 may be formed at any position corresponding to the insulating liquid injection path 142 of the die upper plate 110, and if necessary, their width and formation position. can be selected appropriately.
- the number of used spacer shims 132, 133, 134, and 135 may also be selected, one or more spacer shims may be included, or less than the number of insulating liquid injection paths formed on the upper die plate. Specifically, it is preferable that the number of spacer shims is 1 or more, specifically 2 or more, and more specifically 3 or more.
- the spacer shims 132, 133, 134, and 135 can be individually attached to and detached from the coating die 100, and the number and position of each can be changed. Coating width, loading and mismatch can be adjusted.
- the spacer shim 132 includes coupling holes 132b and 132c for coupling with the upper die plate 110 and/or the lower die plate 120 .
- the spacer shims 132, 133, 134, and 135 specifically serve to coat the insulating liquid. Accordingly, the spacer shims 132, 133, 134, and 135 include an insulating passage 132a through which the insulating liquid introduced from the insulating liquid input path 142 of the die upper plate 110 is discharged to the outside of the coating die 100. .
- the active material slurry of the manifold 121 of the lower die plate 120 is discharged and coated through the outlet 136 of the body shim 131, and the insulating liquid is used to insulate the spacer shims 132, 133, 134, and 135. It is discharged and coated by the flow path 132a.
- the coating die for a lithium secondary battery according to the present invention is configured to detachably attach and detach the spacer shims for discharging the insulating liquid, so that the coating width, loading, and mismatch of the active material slurry and the insulating liquid can be adjusted as needed.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Coating Apparatus (AREA)
Abstract
Description
Claims (11)
- 리튬 이차전지용 코팅 다이로서,상기 코팅 다이는, 다이 상판, 다이 하판, 및 상기 다이 상판과 상기 다이 하판 사이에 개재되는 심(shim) 조립체를 포함하고,상기 심 조립체는 바디 심(body shim), 및 1개 이상의 스페이서 심(spacer shim)들을 포함하고,상기 스페이서 심들은 코팅 다이에서 개별적으로 탈부착 가능하도록 형성된 코팅 다이.
- 제1항에 있어서,상기 다이 상판은 절연액이 투입되는 절연액 투입 경로를 포함하는 코팅 다이.
- 제2항에 있어서,상기 절연액 투입 경로는 상부에서 하부로 형성되어 있는 코팅 다이.
- 제1항에 있어서,상기 다이 하판은 상기 다이 상판에 결합되고, 활물질 슬러리가 투입되는 슬러리 투입 경로, 및 상기 활물질 슬러리를 저장하는 매니폴드(manifold)를 포함하는 코팅 다이.
- 제1항에 있어서,상기 다이 하판은 고정핀, 고정 볼트, 또는 이들 모두에 의해 상기 다이 상판에 결합되는 코팅 다이.
- 제1항에 있어서,상기 바디 심은 상기 다이 상판과 상기 다이 하판과 결합되고, 상기 다이 하판에 형성되고 활물질 슬러리를 저장하는 매니폴드를 커버하지 않도록, 상기 매니폴드로부터 코팅이 이루어지는 외측을 향해 개구되어 있어 상기 매니폴드에 저장되는 상기 활물질 슬러리를 배출하는 배출구를 가지는 코팅 다이.
- 제1항에 있어서,상기 바디 심은 고정핀, 고정 볼트, 또는 이들 모두에 의해 상기 다이 상판과 상기 다이 하판에 결합되는 코팅 다이.
- 제1항에 있어서,상기 스페이서 심들은 각각 상기 다이 상판, 상기 다이 하판, 또는 상기 다이 상판과 상기 다이 하판과 결합되고, 상기 다이 상판의 절연액 투입 경로에 대응되도록 위치하여 상기 다이 상판의 투입 경로로부터 투입된 절연액을 저장하고, 배출하는 절연유로를 포함하는 코팅 다이.
- 제8항에 잇어서,상기 스페이서 심들은 고정핀, 고정 볼트, 또는 이들 모두에 의해 상기 다이 상판, 상기 다이 하판, 또는 상기 다이 상판과 다이 하판과 결합되는 코팅 다이.
- 제9항에 잇어서,상기 고정핀 및 상기 고정 볼트는 결합, 및 제거가 가능한 구조로 형성되어 있어, 상기 스페이서 심들이 상기 코팅 다이에 탈부착 가능하도록 형성되는 코팅 다이.
- 제1항에 있어서,상기 스페이서 심들은 1개 이상 내지 상기 다이 상판에 형성되는 절연액 투입 경로의 개수 이하로 포함되는 코팅 다이.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP22881332.5A EP4239705A4 (en) | 2021-10-12 | 2022-10-12 | COATING DIE FOR LITHIUM SECONDARY BATTERY, INCLUDING REMOVABLE SPACERS |
US18/268,892 US20240050976A1 (en) | 2021-10-12 | 2022-10-12 | Coating Die for Lithium Secondary Battery Including Removable Spacer Shims |
JP2023531090A JP2023551229A (ja) | 2021-10-12 | 2022-10-12 | 脱着可能なスペーサーシムを含むリチウム二次電池用コーティングダイ |
CN202280007740.0A CN116583969A (zh) | 2021-10-12 | 2022-10-12 | 包括可去除的间隔垫片的用于锂二次电池的涂布模具 |
CA3233327A CA3233327A1 (en) | 2021-10-12 | 2022-10-12 | Coating die for lithium secondary battery, including removable spacer shims |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020210135173A KR20230052058A (ko) | 2021-10-12 | 2021-10-12 | 탈부착 가능한 스페이서 심들을 포함하는 리튬 이차전지용 코팅 다이 |
KR10-2021-0135173 | 2021-10-12 |
Publications (1)
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WO2023063705A1 true WO2023063705A1 (ko) | 2023-04-20 |
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PCT/KR2022/015360 WO2023063705A1 (ko) | 2021-10-12 | 2022-10-12 | 탈부착 가능한 스페이서 심들을 포함하는 리튬 이차전지용 코팅 다이 |
Country Status (7)
Country | Link |
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US (1) | US20240050976A1 (ko) |
EP (1) | EP4239705A4 (ko) |
JP (1) | JP2023551229A (ko) |
KR (1) | KR20230052058A (ko) |
CN (1) | CN116583969A (ko) |
CA (1) | CA3233327A1 (ko) |
WO (1) | WO2023063705A1 (ko) |
Citations (6)
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KR20130098758A (ko) * | 2012-02-28 | 2013-09-05 | 삼성에스디아이 주식회사 | 코팅 폭의 조절이 가능한 슬롯 다이 |
KR101801422B1 (ko) * | 2013-10-18 | 2017-11-24 | 주식회사 엘지화학 | 전극 생산용 슬롯 다이 코터 |
KR20190096114A (ko) * | 2018-02-08 | 2019-08-19 | 주식회사 엘지화학 | 다이 코터 및 다이 코터용 심 |
KR102035826B1 (ko) * | 2019-05-31 | 2019-10-24 | 씨아이에스(주) | 다열 동시 코팅 슬롯다이 |
JP6794473B2 (ja) * | 2017-02-03 | 2020-12-02 | ビークルエナジージャパン株式会社 | 塗工ダイ、塗工装置、塗工方法及び二次電池の製造方法 |
CN212136588U (zh) * | 2020-06-24 | 2020-12-11 | 中航锂电技术研究院有限公司 | 模头垫片及浆料涂布设备 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2001029861A (ja) * | 1999-07-21 | 2001-02-06 | Dainippon Printing Co Ltd | ダイヘッド |
CN211026907U (zh) * | 2019-09-23 | 2020-07-17 | 合肥国轩高科动力能源有限公司 | 一种可调式涂布模头垫片 |
CN113275200B (zh) * | 2021-06-04 | 2022-04-08 | 深圳市曼恩斯特科技股份有限公司 | 一种涂布垫片、涂布模头及涂布装置 |
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2021
- 2021-10-12 KR KR1020210135173A patent/KR20230052058A/ko active Search and Examination
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2022
- 2022-10-12 WO PCT/KR2022/015360 patent/WO2023063705A1/ko active Application Filing
- 2022-10-12 US US18/268,892 patent/US20240050976A1/en active Pending
- 2022-10-12 CA CA3233327A patent/CA3233327A1/en active Pending
- 2022-10-12 CN CN202280007740.0A patent/CN116583969A/zh active Pending
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KR20130098758A (ko) * | 2012-02-28 | 2013-09-05 | 삼성에스디아이 주식회사 | 코팅 폭의 조절이 가능한 슬롯 다이 |
KR101801422B1 (ko) * | 2013-10-18 | 2017-11-24 | 주식회사 엘지화학 | 전극 생산용 슬롯 다이 코터 |
JP6794473B2 (ja) * | 2017-02-03 | 2020-12-02 | ビークルエナジージャパン株式会社 | 塗工ダイ、塗工装置、塗工方法及び二次電池の製造方法 |
KR20190096114A (ko) * | 2018-02-08 | 2019-08-19 | 주식회사 엘지화학 | 다이 코터 및 다이 코터용 심 |
KR102035826B1 (ko) * | 2019-05-31 | 2019-10-24 | 씨아이에스(주) | 다열 동시 코팅 슬롯다이 |
CN212136588U (zh) * | 2020-06-24 | 2020-12-11 | 中航锂电技术研究院有限公司 | 模头垫片及浆料涂布设备 |
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CA3233327A1 (en) | 2023-04-20 |
JP2023551229A (ja) | 2023-12-07 |
EP4239705A4 (en) | 2024-07-10 |
KR20230052058A (ko) | 2023-04-19 |
US20240050976A1 (en) | 2024-02-15 |
EP4239705A1 (en) | 2023-09-06 |
CN116583969A (zh) | 2023-08-11 |
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