JP4823384B1 - リチウム二次電池の集電体用銅箔 - Google Patents
リチウム二次電池の集電体用銅箔 Download PDFInfo
- Publication number
- JP4823384B1 JP4823384B1 JP2010270853A JP2010270853A JP4823384B1 JP 4823384 B1 JP4823384 B1 JP 4823384B1 JP 2010270853 A JP2010270853 A JP 2010270853A JP 2010270853 A JP2010270853 A JP 2010270853A JP 4823384 B1 JP4823384 B1 JP 4823384B1
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- JP
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- Prior art keywords
- copper foil
- lithium secondary
- current collector
- secondary battery
- active material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F15/00—Other methods of preventing corrosion or incrustation
-
- 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
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/38—Electroplating: Baths therefor from solutions of copper
-
- 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
- H01M4/70—Carriers or collectors characterised by shape or form
- H01M4/75—Wires, rods or strips
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Abstract
【解決手段】本発明は、一面に形成されたマット面(matte side)にノジュール(nodule)間の縦横比が0.001〜2であるノジュールクラスター(nodule cluster)が備えられ、結晶構造において、(111)面と(200)面との集合組職係数(texture coefficient)の合計に対する(200)面の集合組職係数の比率が30〜80%であり、水接触角が90゜以下であり、銅箔表面に存在する不純物の斑点は、最大直径が100μm以下であり、斑点間の最小離隔距離が1cm以上であることを特徴とするリチウム二次電池の集電体用銅箔に関するものである。
【選択図】図2
Description
101 ノジュールクラスター
200 活物質
Claims (1)
- リチウム二次電池の集電体として用いられる銅箔において、
一面に形成されたマット面にノジュール間の縦横比が0.001〜2であるノジュールクラスターが備えられ、
結晶構造において、(111)面と(200)面との集合組織係数の合計に対する(200)面の集合組織係数の比率が30〜80%であり、
水接触角が90゜以下であり、
銅箔表面に存在する不純物の斑点は、最大直径が100μm以下であり、斑点間の最小離隔距離が1cm以上であることを特徴とするリチウム二次電池の集電体用銅箔。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2010-0076976 | 2010-08-10 | ||
KR1020100076976A KR101008750B1 (ko) | 2010-08-10 | 2010-08-10 | 리튬 이차전지의 집전체용 동박 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP4823384B1 true JP4823384B1 (ja) | 2011-11-24 |
JP2012038700A JP2012038700A (ja) | 2012-02-23 |
Family
ID=43616397
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010270853A Active JP4823384B1 (ja) | 2010-08-10 | 2010-12-03 | リチウム二次電池の集電体用銅箔 |
Country Status (4)
Country | Link |
---|---|
US (2) | US20120040241A1 (ja) |
JP (1) | JP4823384B1 (ja) |
KR (1) | KR101008750B1 (ja) |
CN (1) | CN102376959B (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012103834A1 (de) * | 2012-05-02 | 2013-11-07 | Hydro Aluminium Rolled Products Gmbh | Texturierte Stromableiterfolie |
KR101519711B1 (ko) | 2012-05-03 | 2015-05-12 | 현대자동차주식회사 | 이차전지용 집전체 |
TWI533496B (zh) * | 2013-07-23 | 2016-05-11 | Chang Chun Petrochemical Co | Electrolytic copper foil |
TWI542739B (zh) * | 2014-03-21 | 2016-07-21 | 長春石油化學股份有限公司 | 電解銅箔 |
JP6677448B2 (ja) * | 2015-01-20 | 2020-04-08 | 住友金属鉱山株式会社 | 銅張積層板、及び銅張積層板の製造方法 |
US9899683B2 (en) * | 2015-03-06 | 2018-02-20 | Iljin Materials Co., Ltd. | Electrolytic copper foil, electric component and battery including the same |
KR102318603B1 (ko) * | 2016-08-23 | 2021-10-27 | 에스케이넥실리스 주식회사 | 이차전지의 용량 유지율을 향상시킬 수 있는 전해동박, 그것을 포함하는 전극, 그것을 포함하는 이차전지, 및 그것의 제조방법 |
KR102184170B1 (ko) * | 2017-07-25 | 2020-11-27 | 주식회사 엘지화학 | 이차전지용 동박, 그 제조 방법 및 이를 포함하는 이차전지 |
IL266910B (en) * | 2019-05-27 | 2020-11-30 | Addionics Il Ltd | 3D structures are produced electrochemically for electrodes in batteries |
KR20230024521A (ko) * | 2021-08-12 | 2023-02-21 | 주식회사 엘지에너지솔루션 | 리튬 이차전지용 음극 및 이의 제조방법 |
WO2023132640A1 (ko) * | 2022-01-07 | 2023-07-13 | 주식회사 릴엠 | 이차전지용 집전체 및 그의 제조 방법 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2943898B2 (ja) * | 1993-12-31 | 1999-08-30 | 日本製箔株式会社 | 水ぬれ性の良い銅箔 |
JP3581784B2 (ja) * | 1998-03-19 | 2004-10-27 | 古河電気工業株式会社 | 非水溶媒二次電池の負極集電体用銅箔 |
TW200403358A (en) * | 2002-08-01 | 2004-03-01 | Furukawa Circuit Foil | Electrodeposited copper foil and electrodeposited copper foil for secondary battery collector |
CN100554527C (zh) * | 2003-04-03 | 2009-10-28 | 福田金属箔粉工业株式会社 | 低粗糙面电解铜箔及其制造方法 |
JP4416734B2 (ja) * | 2003-06-09 | 2010-02-17 | 三洋電機株式会社 | リチウム二次電池及びその製造方法 |
KR20050022441A (ko) * | 2003-08-30 | 2005-03-08 | 엘지전선 주식회사 | 표면 처리 동박 |
CN1320672C (zh) * | 2005-07-25 | 2007-06-06 | 北京中科天华科技发展有限公司 | 一种适用于锂离子电池的纳米电解铜箔的制备方法 |
KR100764300B1 (ko) | 2006-02-02 | 2007-10-05 | 엘에스전선 주식회사 | 연성금속 적층판 및 그 제조방법 |
JP4635978B2 (ja) * | 2006-08-02 | 2011-02-23 | ソニー株式会社 | 負極及び二次電池 |
KR100965328B1 (ko) * | 2008-01-25 | 2010-06-22 | 엘에스엠트론 주식회사 | 내열 특성이 개선된 인쇄회로용 동박 |
KR100974368B1 (ko) | 2008-03-26 | 2010-08-05 | 엘에스엠트론 주식회사 | 색상차와 박리강도 특성이 개선된 인쇄회로용 동박 |
-
2010
- 2010-08-10 KR KR1020100076976A patent/KR101008750B1/ko active IP Right Grant
- 2010-12-03 JP JP2010270853A patent/JP4823384B1/ja active Active
- 2010-12-07 US US12/962,180 patent/US20120040241A1/en not_active Abandoned
-
2011
- 2011-08-10 CN CN201110228438.1A patent/CN102376959B/zh active Active
-
2016
- 2016-09-16 US US15/267,525 patent/US20170005339A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US20120040241A1 (en) | 2012-02-16 |
US20170005339A1 (en) | 2017-01-05 |
CN102376959A (zh) | 2012-03-14 |
JP2012038700A (ja) | 2012-02-23 |
CN102376959B (zh) | 2015-04-08 |
KR101008750B1 (ko) | 2011-01-14 |
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