WO2012165862A3 - 초음파 용접 장치 및 전극 구조체 강도를 개선한 이차 전지 - Google Patents

초음파 용접 장치 및 전극 구조체 강도를 개선한 이차 전지 Download PDF

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Publication number
WO2012165862A3
WO2012165862A3 PCT/KR2012/004271 KR2012004271W WO2012165862A3 WO 2012165862 A3 WO2012165862 A3 WO 2012165862A3 KR 2012004271 W KR2012004271 W KR 2012004271W WO 2012165862 A3 WO2012165862 A3 WO 2012165862A3
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WO
WIPO (PCT)
Prior art keywords
welded
tap
secondary battery
ultrasonic welding
negative
Prior art date
Application number
PCT/KR2012/004271
Other languages
English (en)
French (fr)
Other versions
WO2012165862A2 (ko
Inventor
이경민
신영준
박현우
이재필
박진영
박준규
Original Assignee
주식회사 엘지화학
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from KR1020110051482A external-priority patent/KR101367752B1/ko
Priority claimed from KR1020110051493A external-priority patent/KR101367753B1/ko
Application filed by 주식회사 엘지화학 filed Critical 주식회사 엘지화학
Publication of WO2012165862A2 publication Critical patent/WO2012165862A2/ko
Publication of WO2012165862A3 publication Critical patent/WO2012165862A3/ko
Priority to US14/092,398 priority Critical patent/US10396317B2/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/10—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating making use of vibrations, e.g. ultrasonic welding
    • B23K20/106—Features related to sonotrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/536—Electrode connections inside a battery casing characterised by the method of fixing the leads to the electrodes, e.g. by welding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/543—Terminals
    • H01M50/547—Terminals characterised by the disposition of the terminals on the cells
    • H01M50/55—Terminals characterised by the disposition of the terminals on the cells on the same side of the cell
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/543—Terminals
    • H01M50/552—Terminals characterised by their shape
    • H01M50/553—Terminals adapted for prismatic, pouch or rectangular cells
    • H01M50/557—Plate-shaped terminals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/36—Electric or electronic devices
    • B23K2101/38—Conductors
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Manufacturing & Machinery (AREA)

Abstract

본 발명은 이차 전지에 포함된 전극 탭과 전극 리드의 용접 강도를 향상시키는 초음파 용접 장치 및 이 초음파 용접 장치에 의해 초음파 용접되어 용접 부위의 강도가 개선된 이차 전지를 개시한다. 본 발명에 따른 이차 전치는, 양극 탭이 구비된 양극판, 음극 탭이 구비된 음극판 및 분리막이 교호 적층되는 전극 조립체; 상기 전극 조립체를 수용하는 파우치 외장재; 상기 양극 탭과 용접되어 전기적으로 접합되는 양극 리드; 및 상기 음극 탭과 용접되어 전기적으로 접합되는 음극 리드;를 포함하고, 상기 음극 리드와 상기 음극 탭의 용접 접합면에 형성된 용접 포인트의 밀도가 상기 양극 리드와 상기 양극 탭의 용접 접합면에 형성된 용접 포인트 밀도보다 더 높은 것을 특징으로 한다.
PCT/KR2012/004271 2011-05-30 2012-05-30 초음파 용접 장치 및 전극 구조체 강도를 개선한 이차 전지 WO2012165862A2 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US14/092,398 US10396317B2 (en) 2011-05-30 2013-11-27 Ultrasonic welding apparatus and secondary battery with enhanced electrode structure

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2011-0051493 2011-05-30
KR1020110051482A KR101367752B1 (ko) 2011-05-30 2011-05-30 초음파 용접 장치
KR1020110051493A KR101367753B1 (ko) 2011-05-30 2011-05-30 전극 구조체 강도를 개선한 이차 전지
KR10-2011-0051482 2011-05-30

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US14/092,398 Continuation US10396317B2 (en) 2011-05-30 2013-11-27 Ultrasonic welding apparatus and secondary battery with enhanced electrode structure

Publications (2)

Publication Number Publication Date
WO2012165862A2 WO2012165862A2 (ko) 2012-12-06
WO2012165862A3 true WO2012165862A3 (ko) 2013-03-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2012/004271 WO2012165862A2 (ko) 2011-05-30 2012-05-30 초음파 용접 장치 및 전극 구조체 강도를 개선한 이차 전지

Country Status (2)

Country Link
US (1) US10396317B2 (ko)
WO (1) WO2012165862A2 (ko)

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WO2016004079A1 (en) 2014-06-30 2016-01-07 Black & Decker Inc. Battery pack for a cordless power tools
KR102211524B1 (ko) * 2014-08-11 2021-02-02 삼성에스디아이 주식회사 초음파 용접 장치, 이를 이용한 이차 전지 제조 방법 및 그 이차 전지
KR102510882B1 (ko) * 2015-07-16 2023-03-16 삼성에스디아이 주식회사 이차전지의 제조방법
KR102459618B1 (ko) 2015-09-23 2022-10-27 삼성에스디아이 주식회사 이차 전지
KR102384021B1 (ko) 2015-09-24 2022-04-07 삼성에스디아이 주식회사 전극 조립체 및 이를 포함하는 이차 전지
JP6856024B2 (ja) * 2015-09-29 2021-04-07 株式会社Ｇｓユアサ 蓄電素子及び蓄電素子の製造方法
KR101949973B1 (ko) * 2016-04-15 2019-02-20 주식회사 엘지화학 전해액 함침장치
FR3061992B1 (fr) 2017-01-19 2021-12-17 Commissariat Energie Atomique Materiau d'electrode positive a base d'un oxyde lamellaire lithie recouvert, en tout ou partie, par un autre oxyde a base de manganese et procede de preparation de ce materiau
KR102323041B1 (ko) * 2019-02-01 2021-11-08 주식회사 엘지에너지솔루션 전극 탭 용접부의 압접부 크기가 상이한 전극조립체 및 이를 제조하는 초음파 용접 장치
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Publication number Publication date
US10396317B2 (en) 2019-08-27
US20140087245A1 (en) 2014-03-27
WO2012165862A2 (ko) 2012-12-06

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