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WO2013019039A3 - 안전성 향상을 위한 분리막을 포함하는 전극조립체 및 이를 포함하는 리튬 이차전지 - Google Patents

안전성 향상을 위한 분리막을 포함하는 전극조립체 및 이를 포함하는 리튬 이차전지 Download PDF

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Publication number
WO2013019039A3
WO2013019039A3 PCT/KR2012/006029 KR2012006029W WO2013019039A3 WO 2013019039 A3 WO2013019039 A3 WO 2013019039A3 KR 2012006029 W KR2012006029 W KR 2012006029W WO 2013019039 A3 WO2013019039 A3 WO 2013019039A3
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WIPO (PCT)
Prior art keywords
electrode assembly
separation film
lithium secondary
secondary battery
same
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Application number
PCT/KR2012/006029
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English (en)
French (fr)
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WO2013019039A2 (ko
Inventor
심혜림
류덕현
구자훈
김정진
성낙기
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.)
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Application filed by 주식회사 엘지화학 filed Critical 주식회사 엘지화학
Priority to CN201280028747.7A priority Critical patent/CN103608959B/zh
Publication of WO2013019039A2 publication Critical patent/WO2013019039A2/ko
Publication of WO2013019039A3 publication Critical patent/WO2013019039A3/ko
Priority to US13/950,847 priority patent/US9490505B2/en

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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
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
    • 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
    • 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
    • H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
    • H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
    • H01M10/0566—Liquid materials
    • H01M10/0567—Liquid materials characterised by the additives
    • 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
    • H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
    • 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
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
    • H01M50/451—Separators, membranes or diaphragms characterised by the material having a layered structure comprising layers of only organic material and layers containing inorganic material
    • 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
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
    • H01M50/454—Separators, membranes or diaphragms characterised by the material having a layered structure comprising a non-fibrous layer and a fibrous layer superimposed on one another
    • 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
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
    • H01M50/457—Separators, membranes or diaphragms characterised by the material having a layered structure comprising three or more layers
    • 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
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/46—Separators, membranes or diaphragms characterised by their combination with electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2200/00—Safety devices for primary or secondary batteries
    • H01M2200/20—Pressure-sensitive devices
    • 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
    • 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
    • H01M50/572—Means for preventing undesired use or discharge
    • H01M50/574—Devices or arrangements for the interruption of current
    • H01M50/578—Devices or arrangements for the interruption of current in response to pressure
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Secondary Cells (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

본 발명은 안전성 향상을 위한 분리막을 포함하는 전극조립체 및 이를 포함하는 리튬 이차전지에 대한 것으로, 보다 구체적으로는 양극, 음극 및 분리막을 포함하는 전극조립체에 있어서, 상기 분리막 표면에 코팅되어, 특정 전압에서 전기분해하여 가스를 발생시키는 기체화물질을 포함하는 전극조립체 및 이를 포함하는 리튬 이차전지에 대한 것이다. 본 발명에 따른 전극조립체 및 이를 포함하는 리튬 이차전지는 과충전 상태에서 전기분해하여 가스를 발생시키는 기체화물질을 포함함으로써 전지의 안전성을 향상시킴과 동시에, 상기 기체화물질을 전극이 아닌 분리막 표면에 코팅시킴으로써 저항 상승의 억제로 인한 전지 용량의 저하를 현저히 감소시켜, 전지의 수명특성이 우수하다.
PCT/KR2012/006029 2011-07-29 2012-07-27 안전성 향상을 위한 분리막을 포함하는 전극조립체 및 이를 포함하는 리튬 이차전지 WO2013019039A2 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201280028747.7A CN103608959B (zh) 2011-07-29 2012-07-27 包含用于提高安全性的隔膜的电极组件和包含所述电极组件的锂二次电池
US13/950,847 US9490505B2 (en) 2011-07-29 2013-07-25 Electrode assembly including separator for improving safety and lithium secondary battery including the same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20110076233 2011-07-29
KR10-2011-0076233 2011-07-29

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US13/950,847 Continuation US9490505B2 (en) 2011-07-29 2013-07-25 Electrode assembly including separator for improving safety and lithium secondary battery including the same

Publications (2)

Publication Number Publication Date
WO2013019039A2 WO2013019039A2 (ko) 2013-02-07
WO2013019039A3 true WO2013019039A3 (ko) 2013-04-25

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PCT/KR2012/006029 WO2013019039A2 (ko) 2011-07-29 2012-07-27 안전성 향상을 위한 분리막을 포함하는 전극조립체 및 이를 포함하는 리튬 이차전지

Country Status (4)

Country Link
US (1) US9490505B2 (ko)
KR (1) KR101418643B1 (ko)
CN (1) CN103608959B (ko)
WO (1) WO2013019039A2 (ko)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012172586A1 (ja) * 2011-06-13 2012-12-20 株式会社 日立製作所 リチウム二次電池
WO2012172587A1 (ja) * 2011-06-13 2012-12-20 株式会社 日立製作所 リチウム二次電池
WO2015001716A1 (ja) * 2013-07-01 2015-01-08 三洋電機株式会社 非水電解質二次電池
JP6442966B2 (ja) * 2013-10-31 2018-12-26 株式会社村田製作所 二次電池、電池パック、電動車両、電力貯蔵システム、電動工具および電子機器
JP6295912B2 (ja) * 2014-10-02 2018-03-20 トヨタ自動車株式会社 非水電解液二次電池およびその製造方法
KR101704162B1 (ko) * 2015-01-20 2017-02-07 현대자동차주식회사 과충전 안전성이 향상된 파우치 전지
KR102301664B1 (ko) * 2017-07-17 2021-09-14 주식회사 엘지에너지솔루션 이차전지
CN109524612A (zh) * 2017-09-20 2019-03-26 宁德时代新能源科技股份有限公司 二次电池
CN110416477A (zh) * 2019-07-19 2019-11-05 田韬 一种锂硫电池正极用离子透过型包覆膜材料
CN111366073A (zh) * 2020-03-09 2020-07-03 天津市捷威动力工业有限公司 一种基于三维激光扫描评估软包电芯预充电过程产气量的装置及方法

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KR100950038B1 (ko) * 2006-02-20 2010-03-29 주식회사 엘지화학 과충전에 대한 안전성이 향상된 리튬 이차전지
KR20070090500A (ko) * 2006-03-03 2007-09-06 삼성에스디아이 주식회사 리튬 이차전지용 전극조립체 및 이를 이용한 리튬 이차전지
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JP2008277087A (ja) * 2007-04-27 2008-11-13 Sanyo Electric Co Ltd 非水電解質二次電池及びその製造方法

Also Published As

Publication number Publication date
KR20130014431A (ko) 2013-02-07
CN103608959B (zh) 2016-08-31
KR101418643B1 (ko) 2014-07-14
US9490505B2 (en) 2016-11-08
CN103608959A (zh) 2014-02-26
WO2013019039A2 (ko) 2013-02-07
US20130309530A1 (en) 2013-11-21

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