WO2011115376A3 - 세퍼레이터 및 이를 구비한 전기화학소자 - Google Patents

세퍼레이터 및 이를 구비한 전기화학소자 Download PDF

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WO2011115376A3
WO2011115376A3 PCT/KR2011/001393 KR2011001393W WO2011115376A3 WO 2011115376 A3 WO2011115376 A3 WO 2011115376A3 KR 2011001393 W KR2011001393 W KR 2011001393W WO 2011115376 A3 WO2011115376 A3 WO 2011115376A3
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Prior art keywords
coating layer
separator
porous
porous coating
electrochemical device
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PCT/KR2011/001393
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English (en)
French (fr)
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WO2011115376A2 (ko
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하정민
김기영
조병규
진선미
김노마
김종훈
신병진
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주식회사 엘지화학
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Priority to CN201180024478.2A priority Critical patent/CN102893427B/zh
Priority to EP11756507.7A priority patent/EP2549564B1/en
Priority to JP2012558065A priority patent/JP6208945B2/ja
Priority to CA2793246A priority patent/CA2793246C/en
Publication of WO2011115376A2 publication Critical patent/WO2011115376A2/ko
Publication of WO2011115376A3 publication Critical patent/WO2011115376A3/ko
Priority to US13/621,399 priority patent/US9666849B2/en

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/446Composite material consisting of a mixture of organic and inorganic materials
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/411Organic material
    • H01M50/414Synthetic resins, e.g. thermoplastics or thermosetting resins
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/431Inorganic material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/443Particulate material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/449Separators, membranes or diaphragms characterised by the material having a layered structure
    • H01M50/454Separators, membranes or diaphragms characterised by the material having a layered structure comprising a non-fibrous layer and a fibrous layer superimposed on one another
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/449Separators, membranes or diaphragms characterised by the material having a layered structure
    • H01M50/457Separators, membranes or diaphragms characterised by the material having a layered structure comprising three or more layers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • H01M10/0525Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/489Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/489Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • H01M50/491Porosity
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

본 발명의 세퍼레이터는 (A) 기공들을 갖는 다공성 기재; 및 (B) 상기 다공성 기재의 적어도 일면 위에 무기물 입자들과 바인더 고분자의 혼합물을 포함하여 형성된 다공성 코팅층을 구비하고, 상기 바인더 고분자는 (a) 측쇄에 아민기 또는 아마이드기 중 적어도 하나 이상을 포함하는 제1 단량체 유니트 및 (b) 탄소수가 1 내지 14인 알킬기를 갖는 (메타)아크릴레이트로 된 제2 단량체 유니트를 포함하는 공중합체를 함유한다. 본 발명의 세퍼레이터에 구비된 다공성 코팅층은 높은 패킹 밀도를 보이므로 안정성의 저해 없이 전지의 박막화 실현이 용이할 뿐만 아니라, 다공성 기재와의 접착력이 양호하여 전기화학소자의 조립 과정에서 다공성 코팅층 내의 무기물 입자가 탈리되는 문제점이 개선된다.
PCT/KR2011/001393 2010-03-17 2011-02-28 세퍼레이터 및 이를 구비한 전기화학소자 WO2011115376A2 (ko)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN201180024478.2A CN102893427B (zh) 2010-03-17 2011-02-28 隔膜及包含该隔膜的电化学装置
EP11756507.7A EP2549564B1 (en) 2010-03-17 2011-02-28 Separator and electrochemical device having same
JP2012558065A JP6208945B2 (ja) 2010-03-17 2011-02-28 セパレータ及びこれを備えた電気化学素子
CA2793246A CA2793246C (en) 2010-03-17 2011-02-28 Separator and electrochemical device comprising the same
US13/621,399 US9666849B2 (en) 2010-03-17 2012-09-17 Separator having improved porous coating layer having high packing density and electrochemical device comprising the same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2010-0023891 2010-03-17
KR1020100023891A KR101187767B1 (ko) 2010-03-17 2010-03-17 세퍼레이터 및 이를 구비한 전기화학소자

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US13/621,399 Continuation US9666849B2 (en) 2010-03-17 2012-09-17 Separator having improved porous coating layer having high packing density and electrochemical device comprising the same

Publications (2)

Publication Number Publication Date
WO2011115376A2 WO2011115376A2 (ko) 2011-09-22
WO2011115376A3 true WO2011115376A3 (ko) 2011-12-01

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PCT/KR2011/001393 WO2011115376A2 (ko) 2010-03-17 2011-02-28 세퍼레이터 및 이를 구비한 전기화학소자

Country Status (8)

Country Link
US (1) US9666849B2 (ko)
EP (1) EP2549564B1 (ko)
JP (1) JP6208945B2 (ko)
KR (1) KR101187767B1 (ko)
CN (1) CN102893427B (ko)
CA (1) CA2793246C (ko)
TW (1) TWI432542B (ko)
WO (1) WO2011115376A2 (ko)

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TW201207058A (en) 2012-02-16
CA2793246A1 (en) 2011-09-22
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KR101187767B1 (ko) 2012-10-05
US20130017429A1 (en) 2013-01-17
EP2549564A2 (en) 2013-01-23
JP6208945B2 (ja) 2017-10-04
WO2011115376A2 (ko) 2011-09-22
EP2549564A4 (en) 2013-10-30
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EP2549564B1 (en) 2016-10-12
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