JP6823219B2 - 電解銅箔 - Google Patents
電解銅箔 Download PDFInfo
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- JP6823219B2 JP6823219B2 JP2020109744A JP2020109744A JP6823219B2 JP 6823219 B2 JP6823219 B2 JP 6823219B2 JP 2020109744 A JP2020109744 A JP 2020109744A JP 2020109744 A JP2020109744 A JP 2020109744A JP 6823219 B2 JP6823219 B2 JP 6823219B2
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- JP
- Japan
- Prior art keywords
- copper foil
- electrolytic copper
- ion secondary
- secondary battery
- lithium ion
- Prior art date
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims description 138
- 239000011889 copper foil Substances 0.000 title claims description 135
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 52
- 229910001416 lithium ion Inorganic materials 0.000 claims description 45
- 239000011149 active material Substances 0.000 claims description 28
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 19
- 239000001257 hydrogen Substances 0.000 claims description 19
- 229910052739 hydrogen Inorganic materials 0.000 claims description 19
- 238000012360 testing method Methods 0.000 description 35
- 238000000034 method Methods 0.000 description 15
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 14
- 239000003792 electrolyte Substances 0.000 description 12
- 239000010410 layer Substances 0.000 description 12
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 11
- 230000003449 preventive effect Effects 0.000 description 11
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 10
- 230000003746 surface roughness Effects 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000006257 cathode slurry Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000010406 cathode material Substances 0.000 description 5
- -1 chlorine ions Chemical class 0.000 description 5
- 239000013078 crystal Substances 0.000 description 5
- 238000004070 electrodeposition Methods 0.000 description 5
- 239000008151 electrolyte solution Substances 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- 238000007655 standard test method Methods 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 239000012085 test solution Substances 0.000 description 4
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 3
- 239000010405 anode material Substances 0.000 description 3
- 239000006256 anode slurry Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 239000011247 coating layer Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 229910001431 copper ion Inorganic materials 0.000 description 3
- 229910000365 copper sulfate Inorganic materials 0.000 description 3
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003112 inhibitor Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229920001661 Chitosan Polymers 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 241001422033 Thestylus Species 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000012876 topography Methods 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- VTBHBNXGFPTBJL-UHFFFAOYSA-N 4-tert-butyl-1-sulfanylidene-2,6,7-trioxa-1$l^{5}-phosphabicyclo[2.2.2]octane Chemical compound C1OP2(=S)OCC1(C(C)(C)C)CO2 VTBHBNXGFPTBJL-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000002482 conductive additive Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- UGWKCNDTYUOTQZ-UHFFFAOYSA-N copper;sulfuric acid Chemical compound [Cu].OS(O)(=O)=O UGWKCNDTYUOTQZ-UHFFFAOYSA-N 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- TVBYYVZRRKCXAY-UHFFFAOYSA-L disodium propane-1-sulfonate Chemical compound C(CC)S(=O)(=O)[O-].C(CC)S(=O)(=O)[O-].[Na+].[Na+] TVBYYVZRRKCXAY-UHFFFAOYSA-L 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D1/00—Electroforming
- C25D1/04—Wires; Strips; Foils
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D1/00—Electroforming
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/38—Electroplating: Baths therefor from solutions of copper
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
- C25D7/06—Wires; Strips; Foils
- C25D7/0614—Strips or foils
-
- 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
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/661—Metal or alloys, e.g. alloy coatings
-
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12431—Foil or filament smaller than 6 mils
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12431—Foil or filament smaller than 6 mils
- Y10T428/12438—Composite
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Description
1.電解銅箔の製造
図4に示されるプロセスにより電解銅箔を製造し、当該図では、ドラムアセンブリ404を使用し、電解質源402から提供される電解質で銅箔400を形成することを示した。電解銅箔400は、回転されるドラム412に電着され、ドラム412は、電解質430に部分的に浸漬され、電解質430は、電解質源402に由来して流体接続チューブ414から提供された。陽極416と陰極としてのドラム412との間の電流の作用で、電解質430に含まれる銅イオンは還元され、回転されるドラム412の表面に沈積された。銅箔をドラム412から移出し、ガイドローラー450により供給された。得られた銅箔400は、さらに防錆アプリケーター418で処理され、エアーナイフ420で薄くされ、銅箔巻回スプール422に納めた。これらの試験について、ドラム412としては、7と9との間の結晶粒度(JISG0551−2013)を有するものを選択し、また、いくつかの対照試験について、7未満または9より高い結晶粒度を有するいくつかのドラムも含まれた。
下記のように、積層型リチウムイオン二次電池を製造し、高cレート(high c−rate)充放電試験を行った。前記銅箔は、陽極の集電体として使用された。
厚さは、マイクロメータ(μm)で計測され、Mは、グラム(g)に基づくサンプル重量であり、Aは、平方メートル(m2)に基づくサンプル面積であり、ρは、サンプル密度である。使用された電解銅箔の密度は8.909g/cm3であった。
12 サンプリング長さ
210 外部ポーチ
212、318、416 陽極
214、316 セパレータ
216、314 陰極
220 陽極タブ
222 陰極タブ
310 円筒形電池ケース
312 陽極キャップ
320 ガスケット
400 銅箔
402 電解質源
404 ドラムアセンブリ
412 ドラム
414 流体接続チューブ
418 防錆アプリケーター
420 エアーナイフ
422 銅箔巻回スプール
430 電解質
450 ガイドローラー
Claims (12)
- ドラム面と沈積面とを含む、リチウムイオン二次電池集電体用電解銅箔であって、
前記沈積面と前記ドラム面のうちの少なくとも一つは、リチウムイオン二次電池の活物質と接触するための面を含み、
前記リチウムイオン二次電池の活物質と接触するための面における二乗平均平方根傾斜(RΔq)が、0.03〜0.23の範囲にある、リチウムイオン二次電池集電体用電解銅箔。 - 前記沈積面と前記ドラム面はそれぞれ、リチウムイオン二次電池の活物質と接触するための面を含み、
それぞれの前記リチウムイオン二次電池の活物質と接触するための面における二乗平均平方根傾斜(RΔq)が、0.03〜0.23の範囲にある、請求項1に記載のリチウムイオン二次電池集電体用電解銅箔。 - 前記二乗平均平方根傾斜(RΔq)は、0.03〜0.19の範囲にある、請求項1または2に記載のリチウムイオン二次電池集電体用電解銅箔。
- 50ppm未満である水素含有量を含む、請求項1〜3のいずれか一項に記載のリチウムイオン二次電池集電体用電解銅箔。
- 前記水素含有量は、10ppm〜47ppmの範囲にある、請求項4に記載のリチウムイオン二次電池集電体用電解銅箔。
- 前記水素含有量は、10ppm〜40ppmの範囲にある、請求項5に記載のリチウムイオン二次電池集電体用電解銅箔。
- 前記電解銅箔は、10μm−1〜36μm−1の範囲にある疲労寿命/厚さを有する、請求項1〜6のいずれか一項に記載のリチウムイオン二次電池集電体用電解銅箔。
- 前記電解銅箔は、25〜75kg/mm2の範囲にある引張強度を有する、請求項1〜7のいずれか一項に記載のリチウムイオン二次電池集電体用電解銅箔。
- 前記電解銅箔は、2%〜35%の範囲にある伸び率を有する、請求項1〜8のいずれか一項に記載のリチウムイオン二次電池集電体用電解銅箔。
- 前記電解銅箔は、2μm〜25μmの範囲にある厚さを有する、請求項1〜9のいずれか一項に記載のリチウムイオン二次電池集電体用電解銅箔。
- 請求項1〜10のいずれか一項に記載のリチウムイオン二次電池集電体用電解銅箔を含む、リチウムイオン二次電池用集電体。
- 請求項11に記載のリチウムイオン二次電池用集電体を含む、リチウムイオン二次電池。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/455,011 US10619262B1 (en) | 2019-06-27 | 2019-06-27 | Electrodeposited copper foil |
US16/455,011 | 2019-06-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021006662A JP2021006662A (ja) | 2021-01-21 |
JP6823219B2 true JP6823219B2 (ja) | 2021-01-27 |
Family
ID=70223709
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020109744A Active JP6823219B2 (ja) | 2019-06-27 | 2020-06-25 | 電解銅箔 |
Country Status (9)
Country | Link |
---|---|
US (1) | US10619262B1 (ja) |
EP (1) | EP3757256B1 (ja) |
JP (1) | JP6823219B2 (ja) |
KR (1) | KR102223003B1 (ja) |
CN (1) | CN112144079B (ja) |
ES (1) | ES2964560T3 (ja) |
HU (1) | HUE064261T2 (ja) |
PL (1) | PL3757256T3 (ja) |
TW (1) | TWI707986B (ja) |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH079069B2 (ja) * | 1986-03-12 | 1995-02-01 | ブラザー工業株式会社 | 機械的性質の優れた銅被膜の形成方法 |
US5863410A (en) | 1997-06-23 | 1999-01-26 | Circuit Foil Usa, Inc. | Process for the manufacture of high quality very low profile copper foil and copper foil produced thereby |
JP3850155B2 (ja) | 1998-12-11 | 2006-11-29 | 日本電解株式会社 | 電解銅箔、二次電池の集電体用銅箔及び二次電池 |
JP2001152267A (ja) | 1999-11-18 | 2001-06-05 | Kobe Steel Ltd | 銅合金圧延箔 |
JP3250994B2 (ja) * | 1999-12-28 | 2002-01-28 | 三井金属鉱業株式会社 | 電解銅箔 |
JP3850321B2 (ja) | 2002-03-19 | 2006-11-29 | 日本電解株式会社 | 二次電池 |
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TW202100806A (zh) | 2021-01-01 |
EP3757256A1 (en) | 2020-12-30 |
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EP3757256B1 (en) | 2023-10-11 |
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