KR102344926B1 - 전기화학소자용 세퍼레이터 및 이의 제조방법 - Google Patents

전기화학소자용 세퍼레이터 및 이의 제조방법 Download PDF

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KR102344926B1
KR102344926B1 KR1020190113808A KR20190113808A KR102344926B1 KR 102344926 B1 KR102344926 B1 KR 102344926B1 KR 1020190113808 A KR1020190113808 A KR 1020190113808A KR 20190113808 A KR20190113808 A KR 20190113808A KR 102344926 B1 KR102344926 B1 KR 102344926B1
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binder polymer
separator
pvdf
electrochemical device
viscosity
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KR20200030492A (ko
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이아영
이주성
배원식
유비오
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주식회사 엘지화학
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
    • C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
    • C09D127/12—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C09D127/16—Homopolymers or copolymers of vinylidene fluoride
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/52—Separators
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08L27/16—Homopolymers or copolymers or vinylidene fluoride
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    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/22—Electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/84—Processes for the manufacture of hybrid or EDL capacitors, or components thereof
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    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/621—Binders
    • H01M4/622—Binders being polymers
    • H01M4/623—Binders being polymers fluorinated polymers
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    • 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
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    • 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
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    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/431—Inorganic material
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    • H01M50/409—Separators, membranes or diaphragms characterised by the material
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    • H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
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    • H01M50/46—Separators, membranes or diaphragms characterised by their combination with electrodes
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    • 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
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  • Cell Separators (AREA)
  • Electric Double-Layer Capacitors Or The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
KR1020190113808A 2018-09-12 2019-09-16 전기화학소자용 세퍼레이터 및 이의 제조방법 Active KR102344926B1 (ko)

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US (2) US12567544B2 (https=)
EP (2) EP3764424B1 (https=)
JP (4) JP2021512473A (https=)
KR (2) KR102344926B1 (https=)
CN (2) CN111615762B (https=)
HU (2) HUE069117T2 (https=)
PL (2) PL3764424T3 (https=)
WO (2) WO2020055217A1 (https=)

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WO2024101922A1 (ko) * 2022-11-09 2024-05-16 주식회사 엘지에너지솔루션 분리막, 이를 포함하는 이차전지 및 이차전지의 제조 방법
WO2025116571A1 (ko) * 2023-11-28 2025-06-05 주식회사 투엔 수소 제조 수전해용 초소수성 분리막의 제조방법

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KR101996642B1 (ko) * 2018-07-13 2019-07-04 주식회사 엘지화학 저저항 코팅층을 포함하는 전기화학소자용 분리막 및 이를 제조하는 방법
WO2020055217A1 (ko) 2018-09-12 2020-03-19 주식회사 엘지화학 전기화학소자용 세퍼레이터 및 이의 제조방법
KR102814789B1 (ko) * 2019-08-09 2025-05-28 주식회사 엘지에너지솔루션 다공성 분리막 및 이를 포함하는 전기화학소자
KR102638292B1 (ko) 2019-08-14 2024-02-20 주식회사 엘지화학 개선된 전극접착력 및 저항 특성을 갖는 리튬이차전지용 분리막 및 상기 분리막을 포함하는 리튬이차전지
EP4024598A4 (en) * 2019-10-29 2022-12-07 Lg Energy Solution, Ltd. LITHIUM SECONDARY BATTERY SEPARATOR WITH IMPROVED ADHESION TO ELECTRODE AND IMPROVED RESISTANCE CHARACTERISTICS AND LITHIUM SECONDARY BATTERY WITH LITHIUM SECONDARY BATTERY SEPARATOR
KR102859978B1 (ko) * 2019-12-20 2025-09-12 주식회사 엘지에너지솔루션 분리막, 분리막을 포함하는 리튬 이차 전지 및 이의 제조방법
KR102937250B1 (ko) * 2020-03-20 2026-03-09 주식회사 엘지에너지솔루션 개선된 전극접착력 및 저항 특성을 갖는 리튬이차전지용 분리막 및 상기 분리막을 포함하는 리튬이차전지
CN118943657A (zh) * 2020-05-29 2024-11-12 株式会社Lg新能源 用于电化学装置的隔板和包括该隔板的电化学装置
CN112909252B (zh) * 2021-01-19 2022-05-24 恒大新能源技术(深圳)有限公司 聚合物粘结剂及其制备和应用
CN113437435B (zh) * 2021-06-23 2023-05-26 江苏星源新材料科技有限公司 涂覆浆料、涂覆隔膜及其制备方法
JP7725702B2 (ja) * 2021-07-20 2025-08-19 エルジー・ケム・リミテッド 電気化学素子用の分離膜及びそれを含む電気化学素子
CN114006127B (zh) * 2021-12-30 2022-03-18 湖南中锂新材料科技有限公司 包含多孔pvdf系树脂涂层的锂电池隔膜及其制备方法
KR20230157182A (ko) * 2022-05-09 2023-11-16 삼성에스디아이 주식회사 이차전지용 분리막 및 이를 포함하는 이차전지
CN119174027A (zh) 2022-06-01 2024-12-20 富士胶片株式会社 卷绕型全固态锂离子二次电池及卷绕型全固态锂离子二次电池的制造方法
CN115558344B (zh) * 2022-10-27 2023-06-20 江苏厚生新能源科技有限公司 Pvdf中空多孔纳米颗粒涂覆浆料、制备方法及其修饰的复合隔膜
KR20240160967A (ko) 2023-05-03 2024-11-12 주식회사 엘지에너지솔루션 전기화학소자용 분리막 및 이를 포함하는 전기화학소자
WO2025023601A1 (ko) * 2023-07-21 2025-01-30 주식회사 엘지에너지솔루션 분리막 기재, 이의 제조방법 및 이를 포함하는 분리막
KR102876774B1 (ko) * 2023-08-02 2025-10-30 더블유스코프코리아 주식회사 분리막 및 그 제조방법
CN121566051A (zh) * 2026-01-22 2026-02-24 浙江理工大学 一种复合pvdf-hfp与聚赖氨酸的纳米纤维隔膜的制备方法及应用

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