KR970077785A - Current collector of battery and manufacturing method thereof - Google Patents

Current collector of battery and manufacturing method thereof Download PDF

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Publication number
KR970077785A
KR970077785A KR1019960015959A KR19960015959A KR970077785A KR 970077785 A KR970077785 A KR 970077785A KR 1019960015959 A KR1019960015959 A KR 1019960015959A KR 19960015959 A KR19960015959 A KR 19960015959A KR 970077785 A KR970077785 A KR 970077785A
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KR
South Korea
Prior art keywords
coating layer
current collector
battery
nickel
steel substrate
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.)
Granted
Application number
KR1019960015959A
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Korean (ko)
Other versions
KR100399778B1 (en
Inventor
김홍익
김강재
Original Assignee
손욱
삼성전관 주식회사
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Publication date
Application filed by 손욱, 삼성전관 주식회사 filed Critical 손욱
Priority to KR1019960015959A priority Critical patent/KR100399778B1/en
Publication of KR970077785A publication Critical patent/KR970077785A/en
Application granted granted Critical
Publication of KR100399778B1 publication Critical patent/KR100399778B1/en
Anticipated expiration legal-status Critical
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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
    • H01M4/665—Composites
    • H01M4/667—Composites in the form of layers, e.g. coatings
    • 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
    • C25D3/12—Electroplating: Baths therefor from solutions of nickel or cobalt
    • 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
    • C25D3/56—Electroplating: Baths therefor from solutions of alloys
    • C25D3/562—Electroplating: Baths therefor from solutions of alloys containing more than 50% by weight of iron or nickel or cobalt
    • 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
    • C25D5/12—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium
    • C25D5/14—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium two or more layers being of nickel or chromium, e.g. duplex or triplex layers
    • 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
    • C25D5/34—Pretreatment of metallic surfaces to be electroplated
    • C25D5/36—Pretreatment of metallic surfaces to be electroplated of iron or steel
    • 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
    • C25D5/48—After-treatment of electroplated surfaces
    • 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
    • H01M4/669—Steels
    • 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
    • H01M10/34—Gastight accumulators
    • H01M10/345—Gastight metal hydride 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Cell Electrode Carriers And Collectors (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

본 발명은 강철 기판 및 그 기판 상부에 니켈과 니켈 합금중에서 선택된 물질로 이루어진 제1코팅층과 제2코팅층을 포함하여 이루어진 전지의 집전체 및 그 제조방법을 개시한다. 본 발명에 따르면, 활물질의 탈락률이 감소되고 이용률이 증가된 전지를 얻을 수 있다.The present invention discloses a collector of a battery comprising a steel substrate and a first coating layer composed of a material selected from the group consisting of nickel and a nickel alloy on the substrate and a second coating layer, and a method of manufacturing the same. According to the present invention, it is possible to obtain a battery in which the dropout rate of the active material is reduced and the utilization ratio is increased.

Description

전지의 집전체 및 그 제조방법Current collector of battery and manufacturing method thereof

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

제1도는 통상적인 전지의 집전체를 도시한 도면이고, 제2A도, 제2B도 및 제2C도는 본 발명에 따른 전지의 집전체 제조방법의 각 단계를 개략적으로 나타낸 단면도이다.Fig. 1 is a view showing a typical current collector of a battery, and Figs. 2A, 2B and 2C are cross-sectional views schematically showing respective steps of a current collector manufacturing method according to the present invention.

Claims (6)

강철 기판 및 그 기판 상부에 니켈과 니켈 합금중에서 선택된 물질로 이루어진 제1코팅층과 제2코팅층을 포함하여 이루어진 전지의 집전체.A current collector comprising a steel substrate and a first coating layer and a second coating layer formed on the substrate, the first coating layer being made of a material selected from the group consisting of nickel and a nickel alloy. 제1항에 있어서, 상기 제1코팅층의 두께가 1 내지 2㎛인 것을 특징으로 하는 전지의 집전체.The current collector according to claim 1, wherein the thickness of the first coating layer is 1 to 2 탆. 제1항에 있어서, 상기 제2코팅층의 두께가 2 내지 3㎛인 것을 특징으로하는 전지의 집전체.The current collector according to claim 1, wherein the thickness of the second coating layer is 2 to 3 占 퐉. 강철 기판을 탈지(脫脂)한 다음, 그 강철 기판 표면을 활성화시키는 단계; 전류밀도 5 내지 10 A/d㎡에서, 니켈과 니켈 합금중에서 선택된 물질을 1차 도금하여 상기 강철 기판상에 제1코팅층을 형성하는 단계; 전류밀도 10 내지 40A/d㎡에서, 니켈과 니켈 합금중에서 선택된 물질을 2차도금하여 상기 강철 기판상에 제2코팅층을 형성하는 단계; 상기 결과물을 건조, 압연하는 단계를 포함하는 것을 특징으로 하는 전지의 집전체 제조방법.A step of degreasing the steel substrate and then activating the surface of the steel substrate; Forming a first coating layer on the steel substrate by first plating a material selected from nickel and a nickel alloy at a current density of 5 to 10 A / dm 2; Forming a second coating layer on the steel substrate by secondary plating a material selected from nickel and a nickel alloy at a current density of 10 to 40 A / dm 2; And drying and rolling the resultant product. 제4항에 있어서, 상기 제1코팅층의 두께는 1 내지 2㎛인 것을 특징으로 하는 전지의 집전체 제조방법.The method according to claim 4, wherein the thickness of the first coating layer is 1 to 2 탆. 제4항에 있어서, 상기 제2코팅층의 두께는 2 내지 3㎛인 것을 특징으로 하는 전지의 집전체 제조방법.The method of claim 4, wherein the thickness of the second coating layer is 2 to 3 占 퐉. ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.※ Note: It is disclosed by the contents of the first application.
KR1019960015959A 1996-05-14 1996-05-14 Battery current collector and its manufacturing method Expired - Fee Related KR100399778B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019960015959A KR100399778B1 (en) 1996-05-14 1996-05-14 Battery current collector and its manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960015959A KR100399778B1 (en) 1996-05-14 1996-05-14 Battery current collector and its manufacturing method

Publications (2)

Publication Number Publication Date
KR970077785A true KR970077785A (en) 1997-12-12
KR100399778B1 KR100399778B1 (en) 2003-12-24

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110050370A (en) * 2016-10-14 2019-07-23 东洋钢钣株式会社 Battery current collector and battery
CN111448692A (en) * 2017-12-07 2020-07-24 株式会社丰田自动织机 Electric storage device, manufacturing method of electric storage device, and electrolytic plating method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100445416B1 (en) * 1997-07-28 2004-10-14 삼성에스디아이 주식회사 Battery collector capable of preventing short circuit and separation of active materials, and manufacturing method thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05217584A (en) * 1992-01-31 1993-08-27 Sanyo Electric Co Ltd Manufacture of sintered substrate for alkaline battery
JP3269123B2 (en) * 1992-07-21 2002-03-25 新神戸電機株式会社 Electrode substrate for alkaline storage battery, method for producing the same, and electrode for alkaline storage battery using the substrate
JPH0745283A (en) * 1993-07-28 1995-02-14 Sumitomo Electric Ind Ltd Battery electrode and method for manufacturing the same
JPH0757718A (en) * 1993-08-10 1995-03-03 Katayama Tokushu Kogyo Kk Covering film forming method for battery negative terminal plate

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110050370A (en) * 2016-10-14 2019-07-23 东洋钢钣株式会社 Battery current collector and battery
CN111448692A (en) * 2017-12-07 2020-07-24 株式会社丰田自动织机 Electric storage device, manufacturing method of electric storage device, and electrolytic plating method
CN111448692B (en) * 2017-12-07 2025-04-01 株式会社丰田自动织机 Power storage device, method for manufacturing power storage device, and electrolytic plating method

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