JPWO2016111137A1 - リチウムイオン電池用電極の製造方法 - Google Patents
リチウムイオン電池用電極の製造方法 Download PDFInfo
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 239000000843 powder Substances 0.000 claims abstract description 64
- 239000000463 material Substances 0.000 claims abstract description 31
- 239000007772 electrode material Substances 0.000 claims abstract description 17
- 239000000758 substrate Substances 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000003825 pressing Methods 0.000 claims abstract description 6
- 238000007596 consolidation process Methods 0.000 claims abstract description 4
- 239000002585 base Substances 0.000 description 20
- 239000011230 binding agent Substances 0.000 description 16
- 239000002245 particle Substances 0.000 description 12
- 239000011246 composite particle Substances 0.000 description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 229920000642 polymer Polymers 0.000 description 7
- 239000010408 film Substances 0.000 description 6
- 239000004020 conductor Substances 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000002270 dispersing agent Substances 0.000 description 4
- 238000005469 granulation Methods 0.000 description 4
- 230000003179 granulation Effects 0.000 description 4
- -1 polyethylene terephthalate Polymers 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 150000001993 dienes Chemical class 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229920000058 polyacrylate Polymers 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 239000006230 acetylene black Substances 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 229920001940 conductive polymer Polymers 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000003273 ketjen black Substances 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 description 2
- 239000011112 polyethylene naphthalate Substances 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 239000002952 polymeric resin Substances 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 239000007774 positive electrode material Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- LNAZSHAWQACDHT-XIYTZBAFSA-N (2r,3r,4s,5r,6s)-4,5-dimethoxy-2-(methoxymethyl)-3-[(2s,3r,4s,5r,6r)-3,4,5-trimethoxy-6-(methoxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6r)-4,5,6-trimethoxy-2-(methoxymethyl)oxan-3-yl]oxyoxane Chemical compound CO[C@@H]1[C@@H](OC)[C@H](OC)[C@@H](COC)O[C@H]1O[C@H]1[C@H](OC)[C@@H](OC)[C@H](O[C@H]2[C@@H]([C@@H](OC)[C@H](OC)O[C@@H]2COC)OC)O[C@@H]1COC LNAZSHAWQACDHT-XIYTZBAFSA-N 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 229910003481 amorphous carbon Inorganic materials 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 229910021383 artificial graphite Inorganic materials 0.000 description 1
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 239000002482 conductive additive Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000006232 furnace black Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 239000011361 granulated particle Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910021469 graphitizable carbon Inorganic materials 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 235000010981 methylcellulose Nutrition 0.000 description 1
- 229910021382 natural graphite Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910021470 non-graphitizable carbon Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920005594 polymer fiber Polymers 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000002296 pyrolytic carbon Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 239000011163 secondary particle Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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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
- H01M4/13—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
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
-
- 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
- H01M4/043—Processes of manufacture in general involving compressing or compaction
- H01M4/0435—Rolling or calendering
-
- 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
- H01M4/0438—Processes of manufacture in general by electrochemical processing
- H01M4/0469—Electroforming a self-supporting electrode; Electroforming of powdered electrode material
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- 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)
Abstract
Description
(1)基材上に供給された電極活物質を含む粉体をスキージロールによりスキージして粉体層を形成した後、前記基材を鉛直下方向に搬送しながら、一対のプレス用ロールにより、前記基材に前記粉体層を圧密して電極シートを製造するリチウムイオン電池用電極の製造方法において、前記基材上に前記粉体を供給する供給工程と、一方の前記プレス用ロールの回転軸を通る鉛直線と、前記回転軸と前記スキージロールの回転軸を通る線の成す角度であるスキージ角度θが、0°〜60°の位置に配置された前記スキージロールにより、前記基材上に供給された前記粉体を均し前記粉体層を形成する粉体層形成工程と、前記一対のプレス用ロールにより前記基材に前記粉体層を圧密する圧密工程と、を含むことを特徴とするリチウムイオン電池用電極の製造方法、
(2)前記粉体層形成工程により形成された前記粉体層は、前記粉体のかさ密度の105〜150%の密度を有することを特徴とする(1)に記載のリチウムイオン電池用電極の製造方法、
(3)前記スキージロールが対向する前記プレス用ロールと同方向に回転することを特徴とする(1)または(2)に記載のリチウムイオン電池の製造方法、
が提供される。
Claims (3)
- 基材上に供給された電極活物質を含む粉体をスキージロールによりスキージして粉体層を形成した後、前記基材を鉛直下方向に搬送しながら、一対のプレス用ロールにより、前記基材に前記粉体層を圧密して電極シートを製造するリチウムイオン電池用電極の製造方法において、
前記基材上に前記粉体を供給する供給工程と、
一方の前記プレス用ロールの回転軸を通る鉛直線と、前記回転軸と前記スキージロールの回転軸を通る線の成す角度であるスキージ角度θが、0°〜60°の位置に配置された前記スキージロールにより、前記基材上に供給された前記粉体を均し前記粉体層を形成する粉体層形成工程と、
前記一対のプレス用ロールにより前記基材に前記粉体層を圧密する圧密工程と、
を含むことを特徴とするリチウムイオン電池用電極の製造方法。 - 前記粉体層形成工程により形成された前記粉体層は、前記粉体のかさ密度の105〜150%の密度を有することを特徴とする請求項1に記載のリチウムイオン電池用電極の製造方法。
- 前記スキージロールが対向する前記プレス用ロールと同方向に回転することを特徴とする請求項1または2に記載のリチウムイオン電池の製造方法。
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JP2015000293 | 2015-01-05 | ||
JP2015000293 | 2015-01-05 | ||
PCT/JP2015/085446 WO2016111137A1 (ja) | 2015-01-05 | 2015-12-18 | リチウムイオン電池用電極の製造方法 |
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JPWO2016111137A1 true JPWO2016111137A1 (ja) | 2017-10-12 |
JP6402200B2 JP6402200B2 (ja) | 2018-10-10 |
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Country | Link |
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US (1) | US10396350B2 (ja) |
EP (1) | EP3244470B1 (ja) |
JP (1) | JP6402200B2 (ja) |
KR (1) | KR101917625B1 (ja) |
CN (1) | CN107112509B (ja) |
WO (1) | WO2016111137A1 (ja) |
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JP6301819B2 (ja) * | 2014-11-26 | 2018-03-28 | トヨタ自動車株式会社 | リチウムイオン二次電池用電極の製造方法 |
JP7099378B2 (ja) * | 2019-03-13 | 2022-07-12 | トヨタ自動車株式会社 | 電極シートの製造方法 |
CN114144903A (zh) * | 2019-08-19 | 2022-03-04 | 富士胶片株式会社 | 电极用成型体的制造方法 |
CN114128007A (zh) | 2019-08-19 | 2022-03-01 | 富士胶片株式会社 | 电极用成型体的制造方法 |
JPWO2022196365A1 (ja) * | 2021-03-18 | 2022-09-22 | ||
DE102022211993A1 (de) * | 2022-11-11 | 2024-05-16 | Volkswagen Aktiengesellschaft | Verfahren und Vorrichtung zur Herstellung eines Trockenfilms |
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JP2009149960A (ja) * | 2007-12-21 | 2009-07-09 | Ihi Corp | 粉末圧延装置及び粉末圧延方法 |
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JP2013077560A (ja) * | 2011-09-14 | 2013-04-25 | Nippon Zeon Co Ltd | 電気化学素子用電極の製造方法 |
JP5640996B2 (ja) * | 2012-01-11 | 2014-12-17 | トヨタ自動車株式会社 | 電池用電極の製造方法及び電池用電極 |
JP2016100067A (ja) * | 2014-11-18 | 2016-05-30 | 日本ゼオン株式会社 | リチウムイオン電池用電極の製造方法 |
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- 2015-12-18 EP EP15877010.7A patent/EP3244470B1/en active Active
- 2015-12-18 US US15/539,778 patent/US10396350B2/en active Active
- 2015-12-18 KR KR1020177017650A patent/KR101917625B1/ko active IP Right Grant
- 2015-12-18 WO PCT/JP2015/085446 patent/WO2016111137A1/ja active Application Filing
- 2015-12-18 JP JP2016568312A patent/JP6402200B2/ja active Active
- 2015-12-18 CN CN201580071040.8A patent/CN107112509B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002212608A (ja) * | 2000-11-10 | 2002-07-31 | Ishikawajima Harima Heavy Ind Co Ltd | 粉末圧延装置および粉末圧延方法 |
JP2009287068A (ja) * | 2008-05-28 | 2009-12-10 | Ihi Corp | 粉末圧延装置 |
WO2012165057A1 (ja) * | 2011-06-03 | 2012-12-06 | 株式会社Ihi | 粉末圧延装置 |
WO2014156357A1 (ja) * | 2013-03-29 | 2014-10-02 | トヨタ自動車株式会社 | 粉体塗工装置、およびそれを用いたリチウムイオン電池用電極の製造方法 |
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KR20170086118A (ko) | 2017-07-25 |
KR101917625B1 (ko) | 2018-11-13 |
WO2016111137A1 (ja) | 2016-07-14 |
EP3244470A4 (en) | 2018-07-11 |
US20170352874A1 (en) | 2017-12-07 |
JP6402200B2 (ja) | 2018-10-10 |
CN107112509A (zh) | 2017-08-29 |
CN107112509B (zh) | 2020-04-28 |
US10396350B2 (en) | 2019-08-27 |
EP3244470B1 (en) | 2019-08-07 |
EP3244470A1 (en) | 2017-11-15 |
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