JP6818141B2 - 二次電池用電解銅箔及びその製造方法 - Google Patents
二次電池用電解銅箔及びその製造方法 Download PDFInfo
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- JP6818141B2 JP6818141B2 JP2019524221A JP2019524221A JP6818141B2 JP 6818141 B2 JP6818141 B2 JP 6818141B2 JP 2019524221 A JP2019524221 A JP 2019524221A JP 2019524221 A JP2019524221 A JP 2019524221A JP 6818141 B2 JP6818141 B2 JP 6818141B2
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- C—CHEMISTRY; METALLURGY
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- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D1/00—Electroforming
- C25D1/04—Wires; Strips; Foils
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- 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
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/10—Electroplating with more than one layer of the same or of different metals
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/60—Electroplating characterised by the structure or texture of the layers
- C25D5/615—Microstructure of the layers, e.g. mixed structure
- C25D5/617—Crystalline layers
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- 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
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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
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0404—Methods of deposition of the material by coating on electrode collectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/043—Processes of manufacture in general involving compressing or compaction
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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
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/661—Metal or alloys, e.g. alloy coatings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0277—Bendability or stretchability details
- H05K1/028—Bending or folding regions of flexible printed circuits
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/03—Conductive materials
- H05K2201/0332—Structure of the conductor
- H05K2201/0335—Layered conductors or foils
- H05K2201/0355—Metal foils
-
- 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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- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Cell Electrode Carriers And Collectors (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Electroplating And Plating Baths Therefor (AREA)
Description
(実施例1)
銅イオン100g/L、硫酸130g/L、塩素30ppm、TOC360ppmを含むめっき液を用意して、50℃、90ASDの電流密度で、ドラムを利用して電解めっきを実行した。その後、電解めっきによって形成された電解銅箔に陰極活物質をコーティングした後、4Mpaでプレスした。
めっき液内に含まれるTOCの濃度と、電解銅箔を製造した後、プレスの強度を下記表1及び表2のように実行することを除いて実施例1と同様に製造した。
比較例1乃至比較例3は、めっき液の製造の時、TOCの濃度をすべて下記表2のように、100ppm以下で投入することを除いて実施例1と同じ条件で電解銅箔を製造した。
Claims (14)
- TOC(総有機炭素;Total organic carbon)を含むめっき液でドラムを利用して製造された二次電池用電解銅箔であって、
前記電解銅箔は、前記ドラムと直接に接する一面と、前記一面の反対面である他面からなり、ドラムと直接に接する一面のグレインサイズの断面平均は、0.5μm乃至1.55μmであり、かつ、前記一面の反対面である他面のグレインサイズの断面平均は、1.5μm乃至2.1μmである、
前記一面のグレインサイズの断面平均は、前記他面のグレインサイズの断面平均に対して、80%以下である、二次電池用電解銅箔。 - 前記電解銅箔は、陰極活物質がコーティングされた後にプレスされ、プレス前の電解銅箔のグレインサイズの断面平均が、0.5μm乃至1μm以下であり、プレス後の電解銅箔のグレインサイズの断面平均が、プレス前のグレインサイズの断面平均の90%以上である、請求項1に記載の二次電池用電解銅箔。
- 前記電解銅箔は、プレス後のグレインサイズの断面平均が0.45μm乃至0.9μmである、請求項2に記載の二次電池用電解銅箔。
- 前記めっき液中に含まれるTOCの濃度は、100ppm以上である、請求項1に記載の二次電池用電解銅箔。
- 前記プレスの強度は、4Mpa以上である、請求項2に記載の二次電池用電解銅箔。
- 前記電解銅箔の引張強度は、30kgf/mm2乃至50kgf/mm2である、請求項1に記載の二次電池用電解銅箔。
- 前記電解銅箔の延伸率は、2%乃至12%である、請求項1に記載の二次電池用電解銅箔。
- 前記電解銅箔の厚さは、2μm乃至10μmである、請求項1に記載の二次電池用電解銅箔。
- 二次電池用電解銅箔の製造方法であって、
(1)銅、TOCを含むめっき液を用意するステップと、
(2)温度が30℃乃至70℃である条件で、電流密度30ASD乃至150ASDを
加え、ドラムを利用して電解めっきを実行するステップと、及び
(3)前記電解めっきによって形成された電解銅箔に陰極活物質をコーティングした後
、プレスするステップとを含み、
前記ステップ(2)を介する電解めっきによって形成された電解銅箔は、前記ドラムと接する一面と、前記一面の反対面である他面からなり、
ドラムと直接に接する一面のグレインサイズの断面平均は、0.5μm乃至1.55μmであり、かつ、前記一面の反対面である他面のグレインサイズの断面平均は、1.5μm乃至2.1μmである、
前記一面のグレインサイズの断面平均は、前記他面のグレインサイズの断面平均に対して、80%以下である、前記二次電池用電解銅箔の製造方法。 - 前記めっき液中に含まれるTOCの濃度は、100ppm以上である、請求項9に記載の二次電池用電解銅箔の製造方法。
- 前記電解銅箔の引張強度は、30kgf/mm2乃至50kgf/mm2である、請求項9に記載の二次電池用電解銅箔の製造方法。
- 前記電解銅箔の延伸率は、2%乃至15%である、請求項9に記載の二次電池用電解銅箔の製造方法。
- 前記電解銅箔の厚さは、2μm乃至10μmである、請求項9に記載の二次電池用電解銅箔の製造方法。
- 前記電解銅箔は、プレス前のグレインサイズの断面平均が0.5μm乃至1μm以下であり、プレス後のグレインサイズの断面平均が前記プレス前のグレインサイズの断面平均の90%以上である、請求項9に記載の二次電池用電解銅箔の製造方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2016-0150349 | 2016-11-11 | ||
| KR1020160150349A KR101755203B1 (ko) | 2016-11-11 | 2016-11-11 | 이차전지용 전해동박 및 그의 제조방법 |
| PCT/KR2017/003375 WO2018088646A1 (ko) | 2016-11-11 | 2017-03-28 | 이차전지용 전해동박 및 그의 제조방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2019536211A JP2019536211A (ja) | 2019-12-12 |
| JP6818141B2 true JP6818141B2 (ja) | 2021-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2019524221A Active JP6818141B2 (ja) | 2016-11-11 | 2017-03-28 | 二次電池用電解銅箔及びその製造方法 |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US10920330B2 (ja) |
| EP (1) | EP3540832A4 (ja) |
| JP (1) | JP6818141B2 (ja) |
| KR (1) | KR101755203B1 (ja) |
| CN (1) | CN109952674B (ja) |
| TW (1) | TWI634239B (ja) |
| WO (1) | WO2018088646A1 (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3896198A4 (en) * | 2018-12-10 | 2022-01-26 | Nippon Denkai, Ltd. | Electrolytic copper foil and method for producing same |
| US10581081B1 (en) | 2019-02-01 | 2020-03-03 | Chang Chun Petrochemical Co., Ltd. | Copper foil for negative electrode current collector of lithium ion secondary battery |
| KR20210062204A (ko) | 2019-11-21 | 2021-05-31 | 에스케이넥실리스 주식회사 | 주름 발생이 방지된 동박, 그것을 포함하는 전극, 그것을 포함하는 이차전지, 및 그것의 제조방법 |
| CA3172018A1 (en) * | 2021-12-24 | 2023-06-24 | Circuit Foil Luxembourg | Electrolytic copper foil and secondary battery comprising the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TW432124B (en) * | 1996-05-13 | 2001-05-01 | Mitsui Mining & Amp Smelting C | Electrolytic copper foil with high post heat tensile strength and its manufacturing method |
| JP2005522587A (ja) * | 2002-04-12 | 2005-07-28 | エーシーエム リサーチ,インコーポレイティド | 電解研磨および電気メッキ方法 |
| JP2004241427A (ja) * | 2003-02-03 | 2004-08-26 | Kyocera Corp | 配線基板の製造方法 |
| JP2006108464A (ja) | 2004-10-07 | 2006-04-20 | Kyoden:Kk | 鉛フリーはんだに対応した銅配線基板 |
| TWI414638B (zh) | 2006-06-07 | 2013-11-11 | Furukawa Electric Co Ltd | A method for manufacturing a surface-treated electrolytic copper foil, and a circuit board |
| TW200847867A (en) | 2007-04-26 | 2008-12-01 | Mitsui Mining & Smelting Co | Printed wire board and manufacturing method thereof, and electrolytic copper foil for copper-clad lamination board used for manufacturing the same |
| JP5752301B2 (ja) * | 2007-10-31 | 2015-07-22 | 三井金属鉱業株式会社 | 電解銅箔及びその電解銅箔の製造方法 |
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2016
- 2016-11-11 KR KR1020160150349A patent/KR101755203B1/ko active Active
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2017
- 2017-03-28 EP EP17868557.4A patent/EP3540832A4/en active Pending
- 2017-03-28 CN CN201780068789.6A patent/CN109952674B/zh active Active
- 2017-03-28 US US16/343,573 patent/US10920330B2/en active Active
- 2017-03-28 WO PCT/KR2017/003375 patent/WO2018088646A1/ko not_active Ceased
- 2017-03-28 JP JP2019524221A patent/JP6818141B2/ja active Active
- 2017-05-12 TW TW106115725A patent/TWI634239B/zh active
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2020
- 2020-01-30 US US16/777,835 patent/US11118279B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| KR101755203B1 (ko) | 2017-07-10 |
| TWI634239B (zh) | 2018-09-01 |
| US20200165738A1 (en) | 2020-05-28 |
| US11118279B2 (en) | 2021-09-14 |
| CN109952674B (zh) | 2022-03-01 |
| WO2018088646A1 (ko) | 2018-05-17 |
| TW201817922A (zh) | 2018-05-16 |
| US20190249322A1 (en) | 2019-08-15 |
| JP2019536211A (ja) | 2019-12-12 |
| US10920330B2 (en) | 2021-02-16 |
| EP3540832A4 (en) | 2020-10-21 |
| EP3540832A1 (en) | 2019-09-18 |
| CN109952674A (zh) | 2019-06-28 |
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