KR101646101B1 - 전기화학소자용 분리막 - Google Patents

전기화학소자용 분리막 Download PDF

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KR101646101B1
KR101646101B1 KR1020140152434A KR20140152434A KR101646101B1 KR 101646101 B1 KR101646101 B1 KR 101646101B1 KR 1020140152434 A KR1020140152434 A KR 1020140152434A KR 20140152434 A KR20140152434 A KR 20140152434A KR 101646101 B1 KR101646101 B1 KR 101646101B1
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film
porous
coating layer
diameter
porous coating
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KR20150051916A (ko
Inventor
윤경환
유비오
한성재
박현아
송헌식
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주식회사 엘지화학
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Priority to JP2016521236A priority Critical patent/JP6458015B2/ja
Priority to US14/901,503 priority patent/US9825271B2/en
Priority to PCT/KR2014/010535 priority patent/WO2015069008A1/ko
Priority to CN201480038167.5A priority patent/CN105359298B/zh
Priority to TW103138389A priority patent/TWI565124B/zh
Publication of KR20150051916A publication Critical patent/KR20150051916A/ko
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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
    • H01M50/409—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
    • 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
    • H01M50/403—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
    • H01M50/403—Manufacturing processes of separators, membranes or diaphragms
    • H01M50/406—Moulding; Embossing; Cutting
    • 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
    • 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
    • H01M50/411—Organic material
    • H01M50/429—Natural polymers
    • H01M50/4295—Natural cotton, cellulose or wood
    • 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
    • H01M50/44—Fibrous 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
    • 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
    • H01M50/463—Separators, membranes or diaphragms characterised by their shape
    • 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
    • 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
    • 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)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Cell Separators (AREA)
  • Laminated Bodies (AREA)
KR1020140152434A 2013-11-05 2014-11-04 전기화학소자용 분리막 Active KR101646101B1 (ko)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2016521236A JP6458015B2 (ja) 2013-11-05 2014-11-04 電気化学素子用分離膜
US14/901,503 US9825271B2 (en) 2013-11-05 2014-11-04 Separator for electrochemical device
PCT/KR2014/010535 WO2015069008A1 (ko) 2013-11-05 2014-11-04 전기화학소자용 분리막
CN201480038167.5A CN105359298B (zh) 2013-11-05 2014-11-04 用于电化学装置的隔膜
TW103138389A TWI565124B (zh) 2013-11-05 2014-11-05 電化學裝置用分離器及包括所述分離器的電化學裝置

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20130133639 2013-11-05
KR1020130133639 2013-11-05
KR1020130165971 2013-12-27
KR20130165971 2013-12-27

Publications (2)

Publication Number Publication Date
KR20150051916A KR20150051916A (ko) 2015-05-13
KR101646101B1 true KR101646101B1 (ko) 2016-08-05

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KR1020140152434A Active KR101646101B1 (ko) 2013-11-05 2014-11-04 전기화학소자용 분리막

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US (1) US9825271B2 (enExample)
EP (1) EP2999028B1 (enExample)
JP (1) JP6458015B2 (enExample)
KR (1) KR101646101B1 (enExample)
CN (1) CN105359298B (enExample)
TW (1) TWI565124B (enExample)
WO (1) WO2015069008A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11502372B2 (en) 2017-03-07 2022-11-15 Samsung Sdi Co., Ltd. Porous film, separator comprising same, and electrochemical cell

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EP3026733A4 (en) * 2013-11-06 2017-01-04 LG Chem, Ltd. Separator for electrochemical device
WO2015093852A1 (ko) 2013-12-17 2015-06-25 주식회사 엘지화학 전기화학소자용 분리막
JP6773044B2 (ja) * 2015-10-30 2020-10-21 宇部興産株式会社 多孔膜および蓄電デバイス
JP7055662B2 (ja) * 2017-03-03 2022-04-18 住友化学株式会社 フィルム製造装置およびフィルム製造方法
JP6787241B2 (ja) * 2017-04-28 2020-11-18 トヨタ自動車株式会社 電極積層体及び電池の製造方法
US11367889B2 (en) * 2017-08-03 2022-06-21 Palo Alto Research Center Incorporated Electrochemical stack with solid electrolyte and method for making same
KR102209826B1 (ko) * 2018-03-06 2021-01-29 삼성에스디아이 주식회사 분리막, 이의 제조방법 및 이를 포함하는 리튬전지
CN109256516A (zh) * 2018-09-20 2019-01-22 上海恩捷新材料科技有限公司 用于电化学装置的隔离膜、电化学装置及其制备方法
CN109904374B (zh) * 2019-03-19 2022-07-12 北京卫蓝新能源科技有限公司 一种防过充隔膜及其制备方法和应用
WO2021125916A1 (ko) * 2019-12-19 2021-06-24 주식회사 엘지에너지솔루션 전기화학소자용 분리막, 상기 분리막을 포함하는 전기화학소자 및 상기 전기화학소자를 제조하는 방법
KR102629464B1 (ko) * 2020-04-13 2024-01-25 삼성에스디아이 주식회사 세퍼레이터 및 이를 채용한 리튬 전지
EP4258448A4 (en) 2022-02-23 2025-05-14 LG Energy Solution, Ltd. SEPARATOR SUBSTRATE FOR ELECTROCHEMICAL DEVICE, SEPARATOR WITH SUBSTRATE AND METHOD FOR MANUFACTURING A BATTERY CELL SEPARATOR
CN117080680A (zh) * 2023-07-24 2023-11-17 珠海冠宇电池股份有限公司 隔离层、极片和电池
WO2025021087A1 (zh) * 2023-07-24 2025-01-30 珠海冠宇电池股份有限公司 一种隔离层和电化学装置

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11502372B2 (en) 2017-03-07 2022-11-15 Samsung Sdi Co., Ltd. Porous film, separator comprising same, and electrochemical cell

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US20160149185A1 (en) 2016-05-26
EP2999028A4 (en) 2016-12-07
KR20150051916A (ko) 2015-05-13
CN105359298A (zh) 2016-02-24
TW201533954A (zh) 2015-09-01
EP2999028B1 (en) 2019-01-16
JP6458015B2 (ja) 2019-01-23
JP2016521915A (ja) 2016-07-25
WO2015069008A1 (ko) 2015-05-14
EP2999028A1 (en) 2016-03-23
TWI565124B (zh) 2017-01-01
CN105359298B (zh) 2018-04-27
US9825271B2 (en) 2017-11-21

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