WO2012150838A3 - 다공성 코팅층을 구비한 세퍼레이터 및 이를 구비한 전기화학소자 - Google Patents

다공성 코팅층을 구비한 세퍼레이터 및 이를 구비한 전기화학소자 Download PDF

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Publication number
WO2012150838A3
WO2012150838A3 PCT/KR2012/003503 KR2012003503W WO2012150838A3 WO 2012150838 A3 WO2012150838 A3 WO 2012150838A3 KR 2012003503 W KR2012003503 W KR 2012003503W WO 2012150838 A3 WO2012150838 A3 WO 2012150838A3
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WIPO (PCT)
Prior art keywords
separator
coating layer
porous coating
electrochemical device
coupling agent
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PCT/KR2012/003503
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English (en)
French (fr)
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WO2012150838A2 (ko
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유형균
김종훈
홍장혁
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주식회사 엘지화학
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Priority to JP2014503612A priority Critical patent/JP5875673B2/ja
Priority to PL12779969T priority patent/PL2706591T3/pl
Priority to CN201280021763.3A priority patent/CN103733380B/zh
Priority to EP12779969.0A priority patent/EP2706591B1/en
Priority to US13/634,951 priority patent/US8927134B2/en
Publication of WO2012150838A2 publication Critical patent/WO2012150838A2/ko
Publication of WO2012150838A3 publication Critical patent/WO2012150838A3/ko
Priority to US14/559,180 priority patent/US20150086714A1/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
    • 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
    • H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • H01M50/491—Porosity
    • 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
    • H01M50/446—Composite material consisting of a mixture of organic and inorganic materials
    • 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
    • H01M50/403—Manufacturing processes of separators, membranes or diaphragms
    • 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
    • H01M50/411—Organic material
    • H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H01M50/417—Polyolefins
    • 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
    • H01M50/431—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
    • H01M50/443—Particulate 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
    • 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
    • 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
    • H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Cell Separators (AREA)
  • Electric Double-Layer Capacitors Or The Like (AREA)
  • Secondary Cells (AREA)
  • Laminated Bodies (AREA)

Abstract

본 발명은 다공성 기재; 및 상기 다공성 기재의 적어도 일면에 형성되어 있으며, 커플링제가 표면에 코팅된 평균직경이 1 ~ 10 ㎛인 제1 무기물입자와 커플링제가 표면에 코팅된 평균직경이 50 ~ 500 nm인 제2 무기물입자 및 바인더 고분자의 혼합물을 포함하는 다공성 코팅층을 구비하는 세퍼레이터에 관한 것이다. 커플링제가 코팅된 이종의 무기물입자를 포함하는 다공성 코팅층을 구비하는 본 발명의 세퍼레이터의 제조방법은 메카노케미컬 반응을 최소화하여 불필요한 물질이 생성을 방지할 수 있으며, 기능성 입자의 도입이 용이하므로, 본 발명의 세퍼레이터는 열안전성이 우수할 뿐만 아니라, 기능성 입자의 도입으로 인하여 전기화학소자의 성능 저하를 방지할 수 있다.
PCT/KR2012/003503 2011-05-03 2012-05-03 다공성 코팅층을 구비한 세퍼레이터 및 이를 구비한 전기화학소자 WO2012150838A2 (ko)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2014503612A JP5875673B2 (ja) 2011-05-03 2012-05-03 多孔性コーティング層を備えたセパレータ及びこれを備えた電気化学素子
PL12779969T PL2706591T3 (pl) 2011-05-03 2012-05-03 Separator posiadający porowatą warstwę powlekającą i posiadające go urządzenie elektrochemiczne
CN201280021763.3A CN103733380B (zh) 2011-05-03 2012-05-03 含有多孔涂层的隔膜及含有该隔膜的电化学装置
EP12779969.0A EP2706591B1 (en) 2011-05-03 2012-05-03 Separator having porous coating layer and electrochemical device having the same
US13/634,951 US8927134B2 (en) 2011-05-03 2012-09-14 Separator having porous coating layer and electrochemical device having the same
US14/559,180 US20150086714A1 (en) 2011-05-03 2014-12-03 Separator having porous coating layer and electrochemical device having the same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2011-0042014 2011-05-03
KR1020110042014A KR101358761B1 (ko) 2011-05-03 2011-05-03 다공성 코팅층을 구비한 세퍼레이터 및 이를 구비한 전기화학소자

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US13/634,951 Continuation US8927134B2 (en) 2011-05-03 2012-09-14 Separator having porous coating layer and electrochemical device having the same

Publications (2)

Publication Number Publication Date
WO2012150838A2 WO2012150838A2 (ko) 2012-11-08
WO2012150838A3 true WO2012150838A3 (ko) 2013-03-21

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Country Status (7)

Country Link
US (2) US8927134B2 (ko)
EP (1) EP2706591B1 (ko)
JP (2) JP5875673B2 (ko)
KR (1) KR101358761B1 (ko)
CN (1) CN103733380B (ko)
PL (1) PL2706591T3 (ko)
WO (1) WO2012150838A2 (ko)

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JP2016076492A (ja) 2016-05-12
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EP2706591A4 (en) 2014-10-15
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CN103733380A (zh) 2014-04-16
WO2012150838A2 (ko) 2012-11-08
US20130149587A1 (en) 2013-06-13
EP2706591A2 (en) 2014-03-12
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JP5875673B2 (ja) 2016-03-02
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