MY174934A - Jelly-roll of improved productivity and battery cell comprising the same - Google Patents

Jelly-roll of improved productivity and battery cell comprising the same

Info

Publication number
MY174934A
MY174934A MYPI2014700250A MYPI2014700250A MY174934A MY 174934 A MY174934 A MY 174934A MY PI2014700250 A MYPI2014700250 A MY PI2014700250A MY PI2014700250 A MYPI2014700250 A MY PI2014700250A MY 174934 A MY174934 A MY 174934A
Authority
MY
Malaysia
Prior art keywords
jelly
roll
same
battery cell
improved productivity
Prior art date
Application number
MYPI2014700250A
Inventor
Oh Jiyoung
Gon Kim Ki
Hyun Cho Dae
Seo Junbo
Original Assignee
Lg Chemical Ltd
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
Application filed by Lg Chemical Ltd filed Critical Lg Chemical Ltd
Publication of MY174934A publication Critical patent/MY174934A/en

Links

Classifications

    • 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
    • H01M10/058—Construction or manufacture
    • H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
    • 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
    • H01M10/04—Construction or manufacture in general
    • H01M10/0431—Cells with wound or folded electrodes
    • 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
    • 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
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
    • H01M50/103—Primary casings; Jackets or wrappings characterised by their shape or physical structure prismatic or rectangular
    • 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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
    • H01M50/107—Primary casings; Jackets or wrappings characterised by their shape or physical structure having curved cross-section, e.g. round or elliptic
    • 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
    • H01M50/533—Electrode connections inside a battery casing characterised by the shape of the leads or tabs
    • 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
    • H01M50/534—Electrode connections inside a battery casing characterised by the material of the leads or tabs
    • 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
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/538—Connection of several leads or tabs of wound or folded electrode stacks
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/10—Batteries in stationary systems, e.g. emergency power source in plant
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
    • 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
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49108—Electric battery cell making

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

Disclosed herein is a jelly roll for a secondary battery (100) configured by winding a cathode sheet, a separator, and an anode sheet, wherein electrode tabs are connected to uncoated portions of the electrode sheets, to which electrode active materials are not applied, by welding, and each of the electrode tabs is configured to have an embossed structure protruding toward the uncoated portion (121a) to improve weldability. FIG. 3.
MYPI2014700250A 2011-08-12 2012-07-31 Jelly-roll of improved productivity and battery cell comprising the same MY174934A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020110080477A KR101381674B1 (en) 2011-08-12 2011-08-12 Jelly-Roll of Improved Productivity and Battery Cell Comprising the Same

Publications (1)

Publication Number Publication Date
MY174934A true MY174934A (en) 2020-05-24

Family

ID=47715549

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI2014700250A MY174934A (en) 2011-08-12 2012-07-31 Jelly-roll of improved productivity and battery cell comprising the same

Country Status (8)

Country Link
US (2) US20140147716A1 (en)
EP (1) EP2733778B1 (en)
JP (1) JP5952402B2 (en)
KR (1) KR101381674B1 (en)
CN (1) CN103733411B (en)
MY (1) MY174934A (en)
TW (1) TWI459609B (en)
WO (1) WO2013024984A2 (en)

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KR101790230B1 (en) 2014-10-02 2017-11-20 주식회사 엘지화학 Battery Cell Having Electrode Terminal Coated with Insulation Coating Layer
WO2016059543A1 (en) 2014-10-13 2016-04-21 Fisher & Paykel Healthcare Limited High frequency welding for headgear
KR102275421B1 (en) * 2014-11-19 2021-07-12 삼성에스디아이 주식회사 MANUFACTURING METHOD FOR SECONDARY BATTERY and SECONDARY BATTERY USING THE SAME
FR3034259B1 (en) 2015-03-27 2021-08-27 Accumulateurs Fixes MECHANICAL TREATMENT PROCESS OF AN ELECTRICAL CONNECTION PART FOR AN ELECTROCHEMICAL GENERATOR
KR102510882B1 (en) * 2015-07-16 2023-03-16 삼성에스디아이 주식회사 Manufacturing method for secondary battery
CN205376656U (en) * 2016-01-20 2016-07-06 宁德新能源科技有限公司 Secondary battery
KR102629053B1 (en) 2016-08-08 2024-01-23 삼성에스디아이 주식회사 Rechargeable battery having current collector
KR102226916B1 (en) * 2016-10-13 2021-03-11 주식회사 엘지화학 Cylindrical Secondary Battery Having Protrusion of Improved Weld-ability
KR102407054B1 (en) * 2017-03-16 2022-06-10 삼성전자 주식회사 Battery including electrode tab having flat surface
JP6924366B2 (en) * 2017-04-25 2021-08-25 トヨタ自動車株式会社 Sealed battery
JP2019013959A (en) * 2017-07-06 2019-01-31 イーグル工業株式会社 Ultrasonic joining jig, joining structure and joining method
DE102018206036A1 (en) * 2018-04-20 2019-10-24 Robert Bosch Gmbh Method for producing a battery element for a battery cell and use
KR102582586B1 (en) 2018-05-16 2023-09-25 삼성전자주식회사 Electronic device including battery having a notch formed on at least a part of the uncoated area
US11949060B2 (en) 2018-09-11 2024-04-02 Energizer Brands, Llc Rechargeable hearing aid battery with slotted grommet
WO2020066240A1 (en) * 2018-09-26 2020-04-02 パナソニック株式会社 Secondary battery
KR102804867B1 (en) * 2019-05-22 2025-05-09 삼성에스디아이 주식회사 Secondary battery
KR102930254B1 (en) 2019-10-25 2026-02-23 주식회사 엘지에너지솔루션 Secondary battery and device including the same
CN112825381A (en) * 2019-11-19 2021-05-21 深圳市海鸿新能源技术有限公司 Pole piece of secondary battery, preparation method of pole piece and secondary battery
KR102797186B1 (en) * 2020-01-30 2025-04-18 주식회사 엘지에너지솔루션 Battery Cell of Improved Weldability, and Processing Device Thereof
US12119474B1 (en) 2020-04-02 2024-10-15 Energizer Brands, Llc Electrode bonding system and method of use
DE102020110050A1 (en) 2020-04-09 2021-10-14 PECTEC GmbH Method for welding metal components for an EMC shielding, EMC shielding for a battery cover and welding device for welding metal components
US11641044B1 (en) 2020-04-14 2023-05-02 Energizer Brands, Llc Battery housing and systems and methods of making thereof
US12087899B1 (en) 2021-05-19 2024-09-10 Energizer Brands, Llc Electrode and separator feed system and method of use
CN113571847A (en) * 2021-07-14 2021-10-29 厦门海辰新能源科技有限公司 Current collector assembly, battery monomer and battery pack
CN113451540B (en) * 2021-08-12 2023-03-24 上海兰钧新能源科技有限公司 Pole piece rolling method
CN118555992A (en) * 2022-08-16 2024-08-27 株式会社Lg新能源 Ultrasonic welding device and ultrasonic welding system
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Also Published As

Publication number Publication date
JP2014529165A (en) 2014-10-30
KR20130017817A (en) 2013-02-20
KR101381674B1 (en) 2014-04-04
EP2733778A4 (en) 2014-07-09
CN103733411A (en) 2014-04-16
TW201320437A (en) 2013-05-16
CN103733411B (en) 2017-06-23
JP5952402B2 (en) 2016-07-13
EP2733778A2 (en) 2014-05-21
US20160301060A1 (en) 2016-10-13
WO2013024984A3 (en) 2013-05-30
TWI459609B (en) 2014-11-01
US10079380B2 (en) 2018-09-18
WO2013024984A2 (en) 2013-02-21
US20140147716A1 (en) 2014-05-29
EP2733778B1 (en) 2016-08-10

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