WO2023096137A1 - 슬롯 다이 코터 - Google Patents
슬롯 다이 코터 Download PDFInfo
- Publication number
- WO2023096137A1 WO2023096137A1 PCT/KR2022/014855 KR2022014855W WO2023096137A1 WO 2023096137 A1 WO2023096137 A1 WO 2023096137A1 KR 2022014855 W KR2022014855 W KR 2022014855W WO 2023096137 A1 WO2023096137 A1 WO 2023096137A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- die coater
- slot die
- shim
- manifold
- lower plate
- Prior art date
Links
- 239000011248 coating agent Substances 0.000 claims abstract description 49
- 238000000576 coating method Methods 0.000 claims abstract description 49
- 239000007788 liquid Substances 0.000 claims description 41
- 238000000034 method Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 239000002002 slurry Substances 0.000 description 23
- 239000011149 active material Substances 0.000 description 21
- 239000010410 layer Substances 0.000 description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 9
- 239000000758 substrate Substances 0.000 description 8
- 239000004020 conductor Substances 0.000 description 7
- 239000007773 negative electrode material Substances 0.000 description 7
- 239000006182 cathode active material Substances 0.000 description 6
- 239000011230 binding agent Substances 0.000 description 5
- 229910052744 lithium Inorganic materials 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 229910014689 LiMnO Inorganic materials 0.000 description 4
- -1 LiV 3 O 8 Chemical class 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 239000007774 positive electrode material Substances 0.000 description 4
- 239000007784 solid electrolyte Substances 0.000 description 4
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 description 3
- 239000006183 anode active material Substances 0.000 description 3
- 239000003575 carbonaceous material Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 239000011247 coating layer Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 239000007772 electrode material Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229920002943 EPDM rubber Polymers 0.000 description 2
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 2
- 229910015645 LiMn Inorganic materials 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- KLARSDUHONHPRF-UHFFFAOYSA-N [Li].[Mn] Chemical compound [Li].[Mn] KLARSDUHONHPRF-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- FBOUIAKEJMZPQG-AWNIVKPZSA-N (1E)-1-(2,4-dichlorophenyl)-4,4-dimethyl-2-(1,2,4-triazol-1-yl)pent-1-en-3-ol Chemical compound C1=NC=NN1/C(C(O)C(C)(C)C)=C/C1=CC=C(Cl)C=C1Cl FBOUIAKEJMZPQG-AWNIVKPZSA-N 0.000 description 1
- XMWRBQBLMFGWIX-UHFFFAOYSA-N C60 fullerene Chemical compound C12=C3C(C4=C56)=C7C8=C5C5=C9C%10=C6C6=C4C1=C1C4=C6C6=C%10C%10=C9C9=C%11C5=C8C5=C8C7=C3C3=C7C2=C1C1=C2C4=C6C4=C%10C6=C9C9=C%11C5=C5C8=C3C3=C7C1=C1C2=C4C6=C2C9=C5C3=C12 XMWRBQBLMFGWIX-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 description 1
- 229910008163 Li1+x Mn2-x O4 Inorganic materials 0.000 description 1
- 229910013709 LiNi 1-x M Inorganic materials 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920000265 Polyparaphenylene Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- QDDVNKWVBSLTMB-UHFFFAOYSA-N [Cu]=O.[Li] Chemical compound [Cu]=O.[Li] QDDVNKWVBSLTMB-UHFFFAOYSA-N 0.000 description 1
- XHCLAFWTIXFWPH-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] Chemical class [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] XHCLAFWTIXFWPH-UHFFFAOYSA-N 0.000 description 1
- 239000006230 acetylene black Substances 0.000 description 1
- 229910001420 alkaline earth metal ion Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910003481 amorphous carbon Inorganic materials 0.000 description 1
- 229910021383 artificial graphite Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 239000006231 channel black Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910000428 cobalt oxide Inorganic materials 0.000 description 1
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 150000002019 disulfides Chemical class 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 229920001973 fluoroelastomer Polymers 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229910003472 fullerene Inorganic materials 0.000 description 1
- 239000006232 furnace black Substances 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 239000001863 hydroxypropyl cellulose Substances 0.000 description 1
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 description 1
- 229940071676 hydroxypropylcellulose Drugs 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000003273 ketjen black Substances 0.000 description 1
- 239000006233 lamp black Substances 0.000 description 1
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 229910002102 lithium manganese oxide Inorganic materials 0.000 description 1
- QEXMICRJPVUPSN-UHFFFAOYSA-N lithium manganese(2+) oxygen(2-) Chemical class [O-2].[Mn+2].[Li+] QEXMICRJPVUPSN-UHFFFAOYSA-N 0.000 description 1
- BFZPBUKRYWOWDV-UHFFFAOYSA-N lithium;oxido(oxo)cobalt Chemical compound [Li+].[O-][Co]=O BFZPBUKRYWOWDV-UHFFFAOYSA-N 0.000 description 1
- VROAXDSNYPAOBJ-UHFFFAOYSA-N lithium;oxido(oxo)nickel Chemical compound [Li+].[O-][Ni]=O VROAXDSNYPAOBJ-UHFFFAOYSA-N 0.000 description 1
- URIIGZKXFBNRAU-UHFFFAOYSA-N lithium;oxonickel Chemical compound [Li].[Ni]=O URIIGZKXFBNRAU-UHFFFAOYSA-N 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- AMWRITDGCCNYAT-UHFFFAOYSA-L manganese oxide Inorganic materials [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 1
- PPNAOCWZXJOHFK-UHFFFAOYSA-N manganese(2+);oxygen(2-) Chemical class [O-2].[Mn+2] PPNAOCWZXJOHFK-UHFFFAOYSA-N 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002116 nanohorn Substances 0.000 description 1
- 229910021382 natural graphite Inorganic materials 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000004627 regenerated cellulose Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920005608 sulfonated EPDM Polymers 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical group 0.000 description 1
- 229910001935 vanadium oxide Inorganic materials 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000011787 zinc oxide Substances 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
-
- 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
- H01M4/04—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
-
- 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
- H01M4/0409—Methods of deposition of the material by a doctor blade method, slip-casting or roller coating
Definitions
- the present invention relates to a slot die coater, and relates to a slot die coater comprising an improved shim.
- the electrode assembly has a form in which a positive electrode, a separator, and a negative electrode are stacked at least once, and the positive electrode and the negative electrode are prepared by coating and drying a positive electrode active material slurry and a negative electrode active material slurry on a current collector made of aluminum foil and copper foil, respectively.
- These secondary batteries include lithium-containing manganese oxides, such as lithium-containing cobalt oxide (LiCoO 2 ) of layered crystal structure, LiMnO 2 of layered crystal structure, LiMn 2 O 4 of spinel crystal structure, and lithium-containing nickel oxide (LiNiO) as cathode active materials. 2 ) is commonly used.
- lithium-containing manganese oxides such as lithium-containing cobalt oxide (LiCoO 2 ) of layered crystal structure, LiMnO 2 of layered crystal structure, LiMn 2 O 4 of spinel crystal structure, and lithium-containing nickel oxide (LiNiO) as cathode active materials. 2
- carbon-based materials are mainly used as negative electrode active materials, and recently, due to an increase in demand for high-energy lithium secondary batteries, mixed use of silicon-based materials and silicon oxide-based materials having an effective capacity 10 times or more than carbon-based materials is being considered.
- the positive electrode active material slurry and the negative active material slurry must be evenly coated on the current collector
- FIG. 1 is an exploded cross-sectional view of a conventional slot die coater
- FIG. 2 is an exploded cross-sectional view of another conventional slot die coater.
- the slot die coater 1 includes two die blocks 5 and 10, and one slot 20 is formed by a shim 15 between the two die blocks 5 and 10. do.
- the active material slurry in the manifold 25 is discharged through a discharge port communicating with the slot 20 and applied to a current collector (not shown).
- the slot die coater 50 includes three die blocks 55, 60, and 65, and two slots 20 are formed by placing a shim 15 between the two die blocks.
- FIG 3 is a plan view of a conventional shim 15 applicable to such a slot die coater 1, 50.
- the coating width of the active material layer coated on the current collector is determined by the width of the slot 20 of the slot die coaters 1 and 50. Since the slot 20 is defined by the shim 15, the shape of the shim 15 The width (W) of the slot 20 is determined by The shim 15 shown in Fig. 3 is for coating a stripe-like pattern with, for example, three lanes.
- FIG. 4 is an enlarged view of part A of FIG. 2 .
- a manifold 25 containing a coating liquid such as an active material slurry is formed in the die block 60 .
- the front end 25a of the manifold 25, that is, the end facing the discharge port, has a round shape in cross section.
- the width of the active material layer to be actually coated is the designed width (W) of the shim 15 can be different from
- FIG. 6 shows a change in width of a coating layer formed on a current collector when a conventional shim is incorrectly assembled obliquely.
- the widths (b, b', b'') of the plurality of active material layers 75 formed on the current collector 70 are different from each other. and each width (b, b', b'') is different from the width (W) designed in the shim 15 (b ⁇ W).
- W width designed in the shim 15
- condition adjustment is always required. Since the position of the shim 15 cannot always be the same at every assembly, there is a disadvantage in that condition adjustment is necessarily required at every reassembly, such as after disassembly and cleaning of the die.
- the present invention has been devised in consideration of the above-described problems, and an object of the present invention is to uniformize the coating width of a multi-lane model and reduce a condition adjustment loss in the next production.
- the problem to be solved by the present invention is to provide a slot die coater including an improved shim.
- the upper plate for solving the above problems
- the upper plate lower plate; and a shim interposed between the upper plate and the lower plate to define at least two individual lanes for forming a slot, wherein the shim to define the individual lanes has positional accuracy when fixed to the upper or lower plate.
- It includes a fixing pin for improvement and a fixing bolt for fixing to the upper or lower plate.
- the slot die coater further includes a manifold in which the coating liquid is contained in the lower plate, the shim is mounted on the front land portion of the manifold, and the fixing pin penetrates the shim and is inserted into a pin groove formed in the lower plate, The fixing bolt may pass through the shim and be inserted into a fixing bolt groove formed in the lower plate.
- the shim is formed with a fixing bolt hole aligned with the fixing bolt groove, and the fixing bolt hole and the fixing bolt groove give a small hole in the front and back (discharge direction) and left and right (in the longitudinal direction of the slot die coater perpendicular to the discharge direction). ) may be that there is no afterglow.
- An upper plate groove may be formed in the upper plate to accommodate the bolt head of the fixing bolt and the pin head of the fixing pin.
- the upper plate groove may be a recessed portion recessed into the upper plate in order to simultaneously accommodate the bolt head of the fixing bolt and the pin head of the fixing pin.
- a portion where the shim comes into contact with the manifold may be rounded.
- the round processing is differentially applied according to positions where the shims are placed on the lower plate.
- a side of the core through which the coating liquid flows may be rounded, and a portion of the core that does not reach the coating liquid may not be rounded.
- a transition from the manifold to the land portion may be at a right angle.
- a region corresponding to a portion where the coating liquid passes through and is discharged among regions between the manifold and the land portion may be rounded.
- At least three lanes are defined by the shim, and a difference may be made between lanes placed in the center and lanes placed on the side in the R value of the round processing.
- An R value in a lane located on the side may be greater than an R value in a lane located in the center.
- the difference in height between the back of the manifold and the front land portion of the manifold is equal to the thickness of the shim.
- the lower surface of the upper plate and the upper surface of the lower plate are coupled to each other without a gap, and at the front end of the manifold, the lower surface of the upper plate and the upper surface of the shim are coupled to each other without a gap, and the upper surface of the lower plate and the shim
- the bottom can be combined with each other without gaps.
- the shims implementing the multi-lane are not a lump but are individually separated. Therefore, when the shim is installed, only individual lanes are affected and can be adjusted for each individual lane.
- the shims are mounted only on the front land portion of the manifold and can be fixedly mounted on the lower plate. Since there are no shims around the manifold, there is no need to separately separate the shims during cleaning as in the conventional shims. Since there is no need for reassembly after separation, conditioning loss is also reduced.
- the portion where the shim comes into contact with the manifold is rounded, and the front end of the manifold, where the manifold crosses over to the land portion, is made at right angles, thereby suppressing the generation of vortices and smoothing the flow of the coating liquid.
- FIG. 1 is an exploded cross-sectional view of a conventional slot die coater.
- FIG. 2 is an exploded cross-sectional view of another conventional slot die coater.
- 3 is a plan view of a conventional shim.
- FIG. 4 is an enlarged view of part A of FIG. 2 .
- Figure 5 shows multi-lane coating by mounting the same shim as in Figure 3.
- FIG. 6 shows a change in width of a coating layer formed on a current collector when a conventional shim is incorrectly assembled obliquely.
- FIG. 7 is an exploded cross-sectional view of a slot die coater according to an embodiment of the present invention.
- FIG. 8 is an exploded cross-sectional view of a slot die coater according to another embodiment of the present invention.
- FIG. 9 is an enlarged view of part B of FIG. 7 .
- FIG. 10 is a perspective view of a shim that allows defining individual lanes in a slot die coater according to the present invention.
- FIG. 11 shows a state in which shims for defining individual lanes are arranged at predetermined intervals on the lower plate in the slot die coater according to the present invention.
- FIG. 12 shows a cross section of a manifold of a slot die coater according to another embodiment of the present invention.
- FIG 13 shows the round treatment of the part in contact with the manifold in the shim in the slot die coater according to the present invention.
- the slot die coater of the present invention is a device having a slot and coating a coating liquid on a substrate through the slot.
- a 'substrate' described below is a current collector, and a 'coating liquid' is an active material slurry.
- the substrate may be a porous support constituting the separator, and the coating liquid may be an organic material. That is, if thin film coating is required, the substrate and the coating liquid may be of any kind.
- the slot die coater according to the present invention includes an upper plate, a lower plate, shims (at least two) to define individual lanes, fixing pins, and fixing bolts.
- the slot die coater according to the present invention includes shims (at least two), fixing pins, and fixing bolts for defining individual lanes between the upper plate and the middle plate, and can define individual lanes between the middle plate and the upper plate. It is composed of shims (at least two), fixing pins, and fixing bolts. It will be described in detail with reference to the drawings below.
- FIG. 7 is an exploded cross-sectional view of a slot die coater according to an embodiment of the present invention
- FIG. 8 is an exploded cross-sectional view of a slot die coater according to another embodiment of the present invention.
- 9 is an enlarged view of part B of FIG. 7 .
- 10 is a perspective view of a shim that allows defining individual lanes in a slot die coater according to the present invention.
- a slot die coater 100 includes an upper plate 105, a lower plate 110, and shims 115 to define individual lanes.
- the shim 115 is interposed between the upper plate 105 and the lower plate 110 to form the slot 120 . At least two shims 115 are included. When two are included, one lane is defined between the two shims 115 . When three are included, a lane is defined between two adjacent shims 115, so that two lanes are defined. The space between two adjacent shims 115 defines a slot 120 .
- An active material slurry such as a coating liquid that can be contained in the manifold 125 is discharged through a discharge port communicating with the slot 120 and applied to a current collector (not shown).
- a current collector not shown
- the manifold 125 is connected to an externally installed coating liquid supply chamber (not shown) through a supply pipe to receive the coating liquid.
- the coating liquid is guided along the slot 120 and discharged to the outside through the discharge port.
- the shim 115 is provided between the upper plate 105 and the lower plate 110 to define the shape of the slot 120 .
- the core 115 is made of a material having sealing properties and also functions as a gasket to prevent the coating liquid from leaking through the gap between the upper plate 105 and the lower plate 110, except for the area where the discharge port is formed. desirable.
- the shim 115 may be fixed to the upper plate 105 or the lower plate 110 .
- the shim 115 includes a fixing pin 130 for improving positional accuracy when fixed to the lower plate 110 .
- the shim 115 includes a fixing bolt 140 for fixing to the lower plate 110. After fixing the shim 115 to the lower plate 110, the lower plate 110 and the upper plate 105 are combined, and at the rear of the lower plate 110 and the upper plate 105 (the opposite side of the slot 120 is formed). Assemble between the lower plate 110 and the upper plate 105 by fastening bolts or the like.
- Most of the surfaces of the upper plate 105 and the lower plate 110 may be manufactured to be substantially vertical.
- the upper plate 105 and the lower plate 110 since the corners formed by the faces are formed at right angles, there is a right angle part in the cross section, and since the vertical or horizontal plane can be used as the reference plane, manufacturing or handling is easy and precision is guaranteed. do.
- the upper plate 105 and the lower plate 110 are combined, fastening fixation and retention are excellent because the parts facing each other can be supported with a high degree of surface contact.
- the combined state of the upper plate 105 and the lower plate 110 generally has a substantially rectangular parallelepiped shape, and only the front portion where the coating liquid is discharged has an oblique shape toward the substrate.
- the upper plate 105 and the lower plate 110 are made of, for example, SUS.
- Easy-to-process materials such as SUS420J2, SUS630, SUS440C, SUS304, and SUS316L can be used.
- SUS has the advantage of being easy to process, inexpensive, has high corrosion resistance, and can be manufactured in a desired shape at low cost.
- a rotatably provided coating roll (not shown) is disposed in front of the slot die coater 100, and the substrate to be coated is moved by rotating the coating roll,
- the coating liquid can be discharged and applied by continuously contacting the surface of the substrate.
- the pattern coating may be intermittently formed on the substrate by alternately supplying and stopping the coating liquid.
- a slot die coater 200 includes a middle plate 207 between an upper plate 205 and a lower plate 210. Shims 115 as described above may be included between the upper plate 205 and the middle plate 207 and between the middle plate 207 and the lower plate 210 . Here again, at least two shims 115 are included between every two die blocks. The number of shims 115 may be changed according to the number of lanes. The manifold 125 may be formed on the middle plate 207 and the lower plate 210, respectively.
- the slot die coater 100 Since the core 115 is common in the slot die coaters 100 and 200, the slot die coater 100 will be mainly described with reference to FIGS. 7, 9 to 11. It will be appreciated that what has been described herein is equally applicable to the slot die coater 200 without repeating the description.
- the slot die coater 100 includes a manifold 125 in which a coating liquid is contained in a lower plate 110.
- the shim 115 is mounted on the front land portion 127 of the manifold 125 .
- the shim 115 exists only in the land portion 127, the difference in height between the land portion 127 at the back of the manifold 125 (in the opposite direction to the discharge port) and the front of the manifold 125 exists by the thickness of the shim 115. .
- the fixing pin 130 may pass through the shim 115 and be inserted into the pin groove 110a formed in the lower plate 110 .
- the fixing bolt 140 may pass through the shim 115 and be inserted into the fixing bolt groove 110b formed in the lower plate 110 .
- a pin hole 115a aligned with the pin groove 110a is formed in the shim 115 .
- a fixing bolt hole 115b aligned with the fixing bolt groove 110b is formed in the shim 115.
- the fixing bolt groove (110b) and the fixing bolt hole (115b) may have small holes left and right (in the longitudinal direction of the slot die coater perpendicular to the ejection direction) without leaving small holes in the front and rear (discharge direction).
- the fixing pin 130 is provided to improve the positional accuracy of the shim 115.
- the fixing pin 130 penetrates the shim 115 through the pin hole 115a and is inserted into the pin groove 110a, and maintains the position of the shim 115 in place after being inserted.
- the lower plate 110 and the shim 115 may be accurately aligned through the fixing pin 130.
- the fastening of the fixing bolt 140 may be made.
- the fixing pin 130 sets the original position so that the shim 115 does not move.
- the fixing bolt 140 is used to fix the shim 115 to the lower plate 110.
- the fixing bolt 140 penetrates the shim 115 through the fixing bolt hole 115b and is inserted into the fixing bolt groove 110b. Since the fixing bolt hole 115b and the fixing bolt groove 110b have small holes in the front and rear (discharge direction), it is easy to assemble such as fastening bolts. In addition, there are no residual holes in the left and right (the longitudinal direction of the slot die coater perpendicular to the discharge direction), so movement is restricted in the left and right directions, and the left and right positions are fixed.
- the pinhole 115a through which the fixing pin 130 passes and the fixing bolt hole 115b through which the fixing bolt 140 passes are aligned in a straight line in front and back (in the discharge direction).
- At least one fixing pin 130 and fixing bolt 140 may be included for each shim 115 . It will be appreciated by those skilled in the art that any suitable number and/or variety of configurations of fixing pins 130 and fixing bolts 140 may be used within the scope of the present invention.
- the lower surface of the shim 115 is the land portion 127 ) is interviewed with the upper surface of the lower plate 110.
- the upper surface of the lower plate 110 and the lower surface of the shim 115 may be coupled to each other without a gap.
- the lower surface of the upper plate 105 and the upper surface of the lower plate 110 may be coupled to each other without a gap behind the manifold 150 .
- the top plate groove 105a may be machined in the top plate 105.
- the upper plate groove (105a) may be provided concavely at the corresponding position to accommodate the bolt head of the fixing bolt 140 and the pin head of the fixing pin 130, respectively, but the bolt head and the fixing pin of the fixing bolt 140 It may be an indentation recessed into the top plate 105 to simultaneously accommodate the pin heads of 130.
- the upper plate groove 105a is provided to accommodate the bolt head of the fixing bolt 140 and the pin head of the fixing pin 130, respectively, to be placed in place when the upper plate 105 and the lower plate 110 are aligned. The process you need to do can be cumbersome.
- the bolt head of the fixing bolt 140 and the fixing pin 130 are formed in the upper plate groove 105a.
- the head of the pin is accommodated with a relatively large margin, increasing the margin for positional alignment of the upper plate 105 and the lower plate 110. Assembly-related follow-up operations such as fastening of fastening bolts for assembling between the upper plate 105 and the lower plate 110 can be performed more smoothly in a state with sufficient alignment margin.
- the fixing bolt 140 and the fixing pin 130 for fixing do not penetrate the upper plate 105.
- the fixing bolt 140 and the fixing pin 130 are not exposed to the outside of the die block.
- the fixing bolt 140 is fastened only to the lower plate 110 without fastening to the upper plate 105 .
- the fixing bolt 140 and the fixing pin 130 are assembled / fastened only to the lower plate 110 side, and are not assembled / fastened with the upper plate 105.
- the bolt head of the fixing bolt 140 and the pin head of the fixing pin 130 are accommodated in the upper plate groove 105a, and the lower surface and the core of the upper plate 105 around the upper plate groove 105a.
- the upper side of (115) will be interviewed. Accordingly, the lower surface of the top plate 105 and the upper surface of the shim 115 may be coupled without a gap. A gap corresponding to the thickness of the core 115 occurs between the upper plate 105 and the lower plate 110 at the front end of the manifold 150, and the spaced apart becomes the slot 120.
- FIG. 11 shows a state in which shims 115 are arranged at predetermined intervals on the lower plate 110 in the slot die coater 100 according to the present invention. For example, three lanes are defined by four shims 115 .
- the shims 115 are individually removable so that only individual lanes are affected when mounted and can be adjusted for individual lanes.
- the shim 115 is mounted only on the front land portion 127 of the manifold 125, and can be fixedly mounted on the lower plate 110. Since there is no shim 115 around the manifold 125, there is no need to separate it from the die blocks during cleaning, unlike the conventional shim 15 (see FIG. 3). Since there is no need for reassembly after separation, conditioning loss is also reduced.
- the shim 115 of the present invention is preferably rounded at a portion 115c in contact with the manifold 125 so as to smooth the flow of the coating liquid, which is a fluid, so as not to generate vortices.
- the front end 25a of the manifold passing from the manifold 25 to the land portion must be rounded.
- the front end 125a of the manifold which is the place where the manifold 125 goes over to the land portion 127, is perpendicular (in cross section).
- the manifold 125 goes over to the land portion 127, that is, if the front end 125a of the manifold is rounded as in the prior art, it is disadvantageous to the fluid flow.
- the portion 115c where the shim 115 comes into contact with the manifold 125 is rounded, and the front end 125a of the manifold, where the manifold 125 crosses over to the land portion 127, is formed at a right angle. , can smooth the flow of fluid.
- FIG. 12 shows a cross section of a manifold of a slot die coater according to another embodiment of the present invention.
- (a) corresponds to the II' cross section of FIG. 11
- (b) corresponds to the II-II' cross section of FIG. 11 .
- FIG. 11 it is assumed that three lanes are defined by the shim 115.
- the portion 115c where the shim 115 comes into contact with the manifold 125 shows an example in which both sides are rounded, and the rounding process is applied differently depending on the position where the shim 115 is placed on the lower plate 110. can do. 13 shows the round treatment of the part in contact with the manifold in the shim in the slot die coater according to the present invention.
- the shim 115 placed on the outermost edge may be rounded only on one side corresponding to the inner side through which the coating liquid such as the active material slurry passes.
- the outer part where the coating liquid does not reach may not be rounded. Since the coating liquid passes through both sides of the shim 115 placed in the center, both sides can be rounded. This can further reduce the risk of eddy currents in the area.
- the cathode active material slurry can be applied to manufacturing a cathode of a secondary battery.
- the cathode includes a current collector and a cathode active material layer formed on a surface of the current collector.
- the current collector such as Al or Cu, exhibits electrical conductivity, and may be appropriately used according to the polarity of current collector electrodes known in the field of secondary batteries.
- the cathode active material layer may further include at least one of a plurality of cathode active material particles, a conductive material, and a binder.
- the positive electrode may further include various additives for the purpose of supplementing or improving electrochemical properties.
- the active material is not limited to a specific component as long as it can be used as a cathode active material of a lithium ion secondary battery.
- Non-limiting examples thereof include layered compounds such as lithium manganese composite oxides (LiMn 2 O 4 , LiMnO 2 , etc.), lithium cobalt oxide (LiCoO 2 ), lithium nickel oxide (LiNiO 2 ), or substituted with one or more transition metals.
- the conductive material may be typically added in an amount of 1 wt% to 20 wt% based on the total weight of the mixture including the active material.
- the conductive material is not particularly limited as long as it has conductivity without causing chemical change in the battery, and examples thereof include graphite such as natural graphite or artificial graphite; carbon black such as carbon black, acetylene black, ketjen black, channel black, furnace black, lamp black, and summer black; conductive fibers such as carbon fibers and metal fibers; metal powders such as carbon fluoride, aluminum, and nickel powder; conductive whiskers such as zinc oxide and potassium titanate; conductive metal oxides such as titanium oxide; It may include one or a mixture of two or more selected from conductive materials such as polyphenylene derivatives.
- the binder is not particularly limited as long as it is a component that assists in the binding of the active material and the conductive material and the binding to the current collector.
- the binder may be typically included in the range of 1wt% to 30wt%, or 1wt% to 10wt% compared to 100wt% of the electrode layer.
- the negative electrode active material slurry By coating the negative electrode active material slurry using the slot die coater 100 of the present invention, it may be applied to manufacturing a negative electrode of a secondary battery.
- the negative electrode includes a current collector and a negative active material layer formed on a surface of the current collector.
- the anode active material layer may further include at least one of a plurality of anode active material particles, a conductive material, and a binder.
- the negative electrode may further include various additives for the purpose of supplementing or improving electrochemical properties.
- the anode active material is a carbon material such as graphite, amorphous carbon, diamond-like carbon, fullerene, carbon nanotube, or carbon nanohorn, a lithium metal material, an alloy material such as silicon or tin, Nb 2 O 5 , Li 5 Ti 4 O Oxide-based materials such as 12 and TiO 2 , or composites thereof can be used.
- the conductive material, the binder, and the current collector may refer to the contents described for the positive electrode.
- An active material slurry containing such a positive active material or negative active material has a very high viscosity.
- the viscosity may be 1000 cps or more.
- the viscosity of the active material slurry for forming a secondary battery electrode may be 2000 cps to 30000 cps.
- the negative electrode active material slurry may have a viscosity of 2000 cps to 4000 cps.
- the positive electrode active material slurry may have a viscosity of 8000 cps to 30000 cps.
- the slot die coater 100 of the present invention is a coating liquid having a lower viscosity than this, for example, a photosensitive emulsion liquid, a magnetic liquid, a liquid that imparts antireflection or antiglare properties, It is different from the structure of devices that apply ordinary resin liquids, such as liquids that give a viewing angle enlargement effect and pigment liquids for color filters, and are not devices that can be reached by changing them.
- the slot die coater 100 of the present invention is for applying an active material slurry that may contain an active material having a particle size of, for example, an average particle size of around 10 ⁇ m, so that other coating liquids that do not contain particles of this size are applied There is also a difference in the structure of the device that does it, and it is not a device that can be reached by changing it.
- the slot die coater 100 of the present invention is optimized as a coater for electrode manufacturing.
- the slot die coater 100 has been mainly described, but the configuration related to the shim 115 can be applied to the slot die coater 200 as it is. 8 again, the upper plate 105 and the lower plate 110 of the slot die coater 100 and the core 115 therebetween are related to the upper plate 205 and the middle plate 207 of the slot die coater 200 The same applies to the shims 115 between them.
- the pin groove 110a and the fixing bolt groove 110b formed in the lower plate 110 are formed in the middle plate 207.
- the matters related to the upper plate 105 and the lower plate 110 of the slot die coater 100 and the shim 115 therebetween are the middle plate 207 and the lower plate 210 of the slot die coater 200 and the shim between them.
- the shims 115 provided between the upper plate 205 and the middle plate 207 and the shims 115 provided between the middle plate 207 and the lower plate 210 may be provided in vertically aligned positions.
- the slot die coaters 100 and 200 are installed in a substantially horizontal direction in which the electrode active material slurry, which is a coating liquid, is discharged (approximately: ⁇ 5 degrees).
- the electrode active material slurry which is a coating liquid
- it is not necessarily limited to the form exemplified here, and for example, it may be configured as a vertical die that discharges the electrode active material slurry in the opposite direction of gravity with the direction of discharging the electrode active material slurry upward.
- 110a pin groove 110b: fixing bolt groove
Landscapes
- Coating Apparatus (AREA)
Abstract
Description
Claims (17)
- 상판;하판; 및상기 상판과 하판과의 사이에 개재되어 슬롯을 형성하기 위한 적어도 2개의 개별 레인(lane) 심을 포함하고,상기 심은 상기 상판 또는 하판에 고정시 위치정밀도 향상을 위한 고정핀과 상기 상판 또는 하판에 고정하기 위한 고정볼트를 포함하는 것을 특징으로 하는 슬롯 다이 코터.
- 제1항에 있어서, 상기 하판에 코팅액이 담기는 매니폴드를 더 포함하는 것을 특징으로 하는 슬롯 다이 코터.
- 제2항에 있어서, 상기 심이 상기 매니폴드의 앞단 랜드부에 장착되는 것을 특징으로 하는 슬롯 다이 코터.
- 제3항에 있어서, 상기 고정핀은 상기 심을 관통하여 상기 하판에 형성한 핀홈에 삽입되는 것을 특징으로 하는 슬롯 다이 코터.
- 제3항에 있어서, 상기 고정볼트는 상기 심을 관통하여 상기 하판에 형성된 고정볼트홈에 삽입되는 것을 특징으로 하는 슬롯 다이 코터.
- 제5항에 있어서, 상기 심에는 상기 고정볼트홈과 정렬되는 고정볼트홀이 형성되어 있고, 상기 고정볼트홀과 상기 고정볼트홈은 앞뒤(토출 방향)로 잔공을 내고 좌우(토출 방향에 수직인 슬롯 다이 코터의 길이 방향)로는 잔공이 없는 것을 특징으로 하는 슬롯 다이 코터.
- 제3항에 있어서, 상기 고정볼트의 볼트 머리와 상기 고정핀의 핀 머리 수용을 위해, 상기 상판에 상판 홈이 가공되어 있는 것을 특징으로 하는 슬롯 다이 코터.
- 제7항에 있어서, 상기 상판 홈은 상기 고정볼트의 볼트 머리와 상기 고정핀의 핀 머리를 동시에 수용하기 위하여 상기 상판 내로 함몰된 만입부인 것을 특징으로 하는 슬롯 다이 코터.
- 제3항에 있어서, 상기 심이 상기 매니폴드와 맞닿는 부분은 라운드 처리하는 것을 특징으로 하는 슬롯 다이 코터.
- 제9항에 있어서, 상기 심이 상기 하판에 놓이는 위치에 따라 상기 라운드 처리를 차등 적용한 것을 특징으로 하는 슬롯 다이 코터.
- 제10항에 있어서, 상기 심에서 코팅액이 자나가는 쪽은 라운드 처리하고 상기 코팅액이 닿지 않는 부분은 라운드 처리를 하지 않는 것을 특징으로 하는 슬롯 다이 코터.
- 제3항에 있어서, 상기 매니폴드에서 상기 랜드부로 넘어가는 곳을 직각으로 하는 것을 특징으로 하는 슬롯 다이 코터.
- 제12항에 있어서, 상기 매니폴드와 랜드부 사이의 영역 중 코팅액이 지나가서 토출되는 부분에 해당하는 영역에 대해서는 라운드 처리한 것을 특징으로 하는 슬롯 다이 코터.
- 제13항에 있어서, 상기 심에 의해 적어도 3개의 레인이 정의되며 상기 라운드 처리의 R값에서 센터에 놓이는 레인과 사이드에 놓이는 레인간 차이를 두는 것을 특징으로 하는 슬롯 다이 코터.
- 제14항에 있어서, 상기 센터에 놓이는 레인에서의 R값보다 상기 사이드에 놓이는 레인에서의 R값을 크게 하는 것을 특징으로 하는 슬롯 다이 코터.
- 제2항에 있어서, 상기 매니폴드의 뒤쪽과 상기 매니폴드의 앞단 랜드부의 높이 차이는 상기 심의 두께만큼 존재하는 것을 특징으로 하는 슬롯 다이 코터.
- 제16항에 있어서, 상기 매니폴드의 뒤쪽으로 상기 상판의 하면과 상기 하판의 상면이 서로 틈새 없이 결합하고, 상기 매니폴드의 앞단에서 상기 상판의 하면과 상기 심의 상면이 서로 틈새 없이 결합하며, 상기 하판의 상면과 상기 심의 하면이 서로 틈새 없이 결합하는 것을 특징으로 하는 슬롯 다이 코터.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2023531093A JP2024500635A (ja) | 2021-11-26 | 2022-09-30 | スロットダイコーター |
EP22898820.0A EP4265343A4 (en) | 2021-11-26 | 2022-09-30 | SLOT DIE COATING DEVICE |
US18/288,884 US20240207885A1 (en) | 2021-11-26 | 2022-09-30 | Slot Die Coater |
CN202280014057.XA CN116829270A (zh) | 2021-11-26 | 2022-09-30 | 狭缝模具涂布机 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20210166221 | 2021-11-26 | ||
KR10-2021-0166221 | 2021-11-26 | ||
KR10-2022-0038990 | 2022-03-29 | ||
KR1020220038990A KR20230078470A (ko) | 2021-11-26 | 2022-03-29 | 슬롯 다이 코터 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2023096137A1 true WO2023096137A1 (ko) | 2023-06-01 |
Family
ID=86539774
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2022/014855 WO2023096137A1 (ko) | 2021-11-26 | 2022-09-30 | 슬롯 다이 코터 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20240207885A1 (ko) |
EP (1) | EP4265343A4 (ko) |
JP (1) | JP2024500635A (ko) |
WO (1) | WO2023096137A1 (ko) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001029861A (ja) * | 1999-07-21 | 2001-02-06 | Dainippon Printing Co Ltd | ダイヘッド |
US20060060135A1 (en) * | 2004-09-17 | 2006-03-23 | Eastman Kodak Company | Apparatus for forming discontinuous stripe coatings |
JP2008296078A (ja) * | 2007-05-29 | 2008-12-11 | Dainippon Screen Mfg Co Ltd | スリットノズルおよび基板処理装置 |
KR20110128589A (ko) * | 2010-05-24 | 2011-11-30 | 삼성에스디아이 주식회사 | 활물질 코팅 장치 및 이를 이용한 코팅 방법 |
US20120027942A1 (en) * | 2010-07-29 | 2012-02-02 | Felipe Miguel Joos | Systems and methods for dispensing a fluid |
KR20220038990A (ko) | 2020-09-21 | 2022-03-29 | 엘지디스플레이 주식회사 | 표시장치 및 그의 제조방법 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8123511B2 (en) * | 2007-05-03 | 2012-02-28 | Cloeren Incorporated | Decoupled transverse flow metering gap and lip gap |
JP5315453B1 (ja) * | 2012-03-07 | 2013-10-16 | 日東電工株式会社 | シム部材、ダイコーター及び塗布膜の製造方法 |
JP6330414B2 (ja) * | 2014-03-27 | 2018-05-30 | 日本電気株式会社 | 塗布ヘッド、塗布装置及び塗布方法 |
KR102035826B1 (ko) * | 2019-05-31 | 2019-10-24 | 씨아이에스(주) | 다열 동시 코팅 슬롯다이 |
-
2022
- 2022-09-30 US US18/288,884 patent/US20240207885A1/en active Pending
- 2022-09-30 JP JP2023531093A patent/JP2024500635A/ja active Pending
- 2022-09-30 EP EP22898820.0A patent/EP4265343A4/en active Pending
- 2022-09-30 WO PCT/KR2022/014855 patent/WO2023096137A1/ko active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001029861A (ja) * | 1999-07-21 | 2001-02-06 | Dainippon Printing Co Ltd | ダイヘッド |
US20060060135A1 (en) * | 2004-09-17 | 2006-03-23 | Eastman Kodak Company | Apparatus for forming discontinuous stripe coatings |
JP2008296078A (ja) * | 2007-05-29 | 2008-12-11 | Dainippon Screen Mfg Co Ltd | スリットノズルおよび基板処理装置 |
KR20110128589A (ko) * | 2010-05-24 | 2011-11-30 | 삼성에스디아이 주식회사 | 활물질 코팅 장치 및 이를 이용한 코팅 방법 |
US20120027942A1 (en) * | 2010-07-29 | 2012-02-02 | Felipe Miguel Joos | Systems and methods for dispensing a fluid |
KR20220038990A (ko) | 2020-09-21 | 2022-03-29 | 엘지디스플레이 주식회사 | 표시장치 및 그의 제조방법 |
Non-Patent Citations (1)
Title |
---|
See also references of EP4265343A4 |
Also Published As
Publication number | Publication date |
---|---|
US20240207885A1 (en) | 2024-06-27 |
JP2024500635A (ja) | 2024-01-10 |
EP4265343A4 (en) | 2024-07-31 |
EP4265343A1 (en) | 2023-10-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2021132992A1 (ko) | 코팅 균일성이 우수한 전극 슬러리 토출용 코팅 심 및 이를 포함하는 코팅 다이 | |
WO2014081242A1 (ko) | 전극조립체의 제조 방법 및 이를 이용하여 제조된 전극조립체 | |
WO2013058566A1 (en) | Secondary battery | |
WO2020226448A1 (ko) | 전고체전지의 전극 제조방법 및 이를 이용하여 제조된 전고체전지 전극 | |
WO2018084675A1 (ko) | 이차 전지의 반응 추정 방법 및 이에 사용되는 전지셀을 포함하는 이차전지 | |
WO2023174236A1 (zh) | 涂布模头和电池极片的涂布装置 | |
WO2022060177A1 (ko) | 듀얼 슬롯 다이 코터 및 이를 이용한 전극 활물질 슬러리 코팅 방법 | |
WO2023096137A1 (ko) | 슬롯 다이 코터 | |
WO2017039149A1 (ko) | 자성 물질을 포함하는 이차전지용 바인더 | |
WO2018026117A1 (ko) | 이차 전지 | |
WO2020226261A1 (ko) | 전극 및 그의 제조 방법 | |
WO2019221450A1 (ko) | 음극, 및 상기 음극을 포함하는 리튬 이차 전지 | |
WO2020171391A1 (ko) | 이차 전지용 전극의 제조방법 | |
KR20230078470A (ko) | 슬롯 다이 코터 | |
WO2024122976A1 (ko) | 심 플레이트 및 이를 포함하는 슬롯 다이 코터 | |
WO2023096211A1 (ko) | 슬롯 다이 코터 | |
WO2024025158A1 (ko) | 슬롯 다이 코터 | |
CN116829270A (zh) | 狭缝模具涂布机 | |
WO2015065126A1 (ko) | 리튬 이차전지용 양극 및 이를 포함하는 리튬 이차전지 | |
KR20240020410A (ko) | 슬롯 다이 코터 | |
WO2023068875A1 (ko) | 전극 조립체 및 이를 포함하는 전지 셀 | |
WO2024143954A1 (ko) | 이차전지용 전극 제조 방법 및 장치 | |
KR102651932B1 (ko) | 듀얼 슬롯 다이 코터 | |
WO2024011460A1 (zh) | 挤压涂布装置、极片涂布机及电池生产系统 | |
CN218677195U (zh) | 正极片及包含该极片的电化学装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 2023531093 Country of ref document: JP |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 22898820 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2022898820 Country of ref document: EP Effective date: 20230719 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 202280014057.X Country of ref document: CN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 18288884 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |