KR100863100B1 - 향상된 강도 및 안정성을 갖는 복층 분리막 - Google Patents

향상된 강도 및 안정성을 갖는 복층 분리막 Download PDF

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Publication number
KR100863100B1
KR100863100B1 KR1020070033623A KR20070033623A KR100863100B1 KR 100863100 B1 KR100863100 B1 KR 100863100B1 KR 1020070033623 A KR1020070033623 A KR 1020070033623A KR 20070033623 A KR20070033623 A KR 20070033623A KR 100863100 B1 KR100863100 B1 KR 100863100B1
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layer
battery separator
less
microporous battery
separator
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KR20070100644A (ko
Inventor
로날드 더블유. 콜
리 시
정민 장
시즈오 오구라
시앙윤 웨이
프리마난드 라마다스
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셀가드 엘엘씨
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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
    • H01M50/411—Organic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/023—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets using multilayered plates or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
    • B32B37/153—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state at least one layer is extruded and immediately laminated while in semi-molten state
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0032—Ancillary operations in connection with laminating processes increasing 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
    • H01M50/411—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
    • H01M50/449—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
    • H01M50/489—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/10—Polymers of propylene
    • B29K2023/12—PP, i.e. polypropylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
    • B32B2038/0028—Stretching, elongating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0036—Heat treatment
    • B32B2038/0048—Annealing, relaxing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/02—Cellular or porous
    • B32B2305/026—Porous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2457/00—Electrical equipment
    • B32B2457/10—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
    • 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)
  • Mechanical Engineering (AREA)
  • Cell Separators (AREA)
KR1020070033623A 2006-04-07 2007-04-05 향상된 강도 및 안정성을 갖는 복층 분리막 Active KR100863100B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/400,465 2006-04-07
US11/400,465 US20070238017A1 (en) 2006-04-07 2006-04-07 Multilayer separator exhibiting improved strength and stability

Publications (2)

Publication Number Publication Date
KR20070100644A KR20070100644A (ko) 2007-10-11
KR100863100B1 true KR100863100B1 (ko) 2008-10-13

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KR1020070033623A Active KR100863100B1 (ko) 2006-04-07 2007-04-05 향상된 강도 및 안정성을 갖는 복층 분리막

Country Status (5)

Country Link
US (2) US20070238017A1 (enExample)
JP (2) JP5065737B2 (enExample)
KR (1) KR100863100B1 (enExample)
CN (1) CN100544074C (enExample)
TW (1) TWI433379B (enExample)

Cited By (1)

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KR20200030023A (ko) * 2018-09-11 2020-03-19 주식회사 엘지화학 전기화학소자용 분리막의 기계적 안전성 평가 방법

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EP2079119B1 (en) * 2006-10-13 2013-01-02 Toyo Tanso Co., Ltd. Process for manufacturing a separator for a nonaqueous electrolyte secondary battery
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KR101630474B1 (ko) 2009-01-07 2016-06-14 미쓰이 가가쿠 가부시키가이샤 미다공막 형성용 폴리프로필렌 수지 조성물
JP5653761B2 (ja) 2009-01-07 2015-01-14 株式会社プライムポリマー 微多孔膜形成用ポリプロピレン樹脂組成物
US20100255376A1 (en) 2009-03-19 2010-10-07 Carbon Micro Battery Corporation Gas phase deposition of battery separators
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JP2014222563A (ja) * 2011-09-07 2014-11-27 Jnc株式会社 リチウムイオン電池用セパレータ
JP5906698B2 (ja) * 2011-12-01 2016-04-20 株式会社Ｇｓユアサ 非水電解質二次電池
JP2016516279A (ja) * 2013-03-15 2016-06-02 セルガード エルエルシー リチウム・イオン二次電池用の多層ハイブリッド電池セパレータおよびその製造方法
KR102244211B1 (ko) 2013-08-12 2021-04-27 솔베이(소시에떼아노님) 고체 복합 플루오로중합체 세퍼레이터
EP2921298B1 (de) * 2014-03-17 2017-10-25 Mondi Gronau GmbH Mehrschichtige blasfolie zur herstellung von etiketten
CN112234315A (zh) * 2014-11-26 2021-01-15 赛尔格有限责任公司 用于锂离子可充电电池的改进的微孔膜隔板及相关方法
EP3224880B1 (en) 2014-11-26 2023-09-13 Celgard LLC Improved multilayer microporous separators for lithium ion secondary batteries and related methods
DE112016001677T5 (de) 2015-04-10 2018-01-25 Celgard Llc Verbesserte mikroporöse Membranen, Separatoren, Lithium-Batterien und damit in Beziehung stehende Verfahren
CN114122621B (zh) 2015-06-03 2024-08-20 赛尔格有限责任公司 低电阻抗微孔膜、电池隔板、电池单元、电池及相关方法
KR20180026790A (ko) 2015-07-31 2018-03-13 셀가드 엘엘씨 개선된 적층 다층 막, 분리기, 전지, 및 방법
PL3350854T3 (pl) 2015-09-18 2023-01-30 Celgard, Llc Ulepszone membrany, mikroporowate membrany kalandrowane, separatory baterii i związane sposoby
JP6987053B2 (ja) 2015-11-11 2021-12-22 セルガード エルエルシー ミクロ層膜、改良された電池セパレータ、および製造および使用の方法
US20190036094A1 (en) * 2016-01-25 2019-01-31 Daicel Corporation Secondary battery
US20170222205A1 (en) * 2016-01-29 2017-08-03 Celgard, Llc Separators, batteries, systems, vehicles, and related methods
EP3539173A4 (en) 2016-11-11 2020-10-28 Celgard LLC IMPROVED MICROLAYER MEMBRANES, IMPROVED BATTERY SEPARATORS AND RELATED PROCESSES
TWI762647B (zh) * 2017-05-26 2022-05-01 美商希爾格得有限公司 新穎或經改良的微孔膜、電池組分隔件、經塗覆之分隔件、電池組及相關方法
KR102799083B1 (ko) * 2017-11-03 2025-04-23 셀가드 엘엘씨 개선된 마이크로 다공성 막, 전지 세퍼레이터, 전지, 및 이를 포함하는 장치
WO2019103947A2 (en) 2017-11-21 2019-05-31 Asahi Kasei Kabushiki Kaisha Separator for electric storage device
WO2019190253A1 (ko) * 2018-03-28 2019-10-03 주식회사 엘지화학 분리막의 안정성 평가 방법
CN109461871B (zh) * 2018-09-04 2021-08-31 深圳中兴新材技术股份有限公司 一种不对称结构的多层聚烯烃微孔膜及其制备方法和应用
KR102814125B1 (ko) 2019-10-14 2025-05-28 주식회사 엘지에너지솔루션 전기화학소자용 분리막의 절연 및 리튬 이온전도도 특성 평가 방법 및 시스템

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Publication number Priority date Publication date Assignee Title
KR20200030023A (ko) * 2018-09-11 2020-03-19 주식회사 엘지화학 전기화학소자용 분리막의 기계적 안전성 평가 방법
KR102298127B1 (ko) 2018-09-11 2021-09-03 주식회사 엘지화학 전기화학소자용 분리막의 기계적 안전성 평가 방법

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TW200814410A (en) 2008-03-16
JP2013012484A (ja) 2013-01-17
CN100544074C (zh) 2009-09-23
US20100209758A1 (en) 2010-08-19
JP5065737B2 (ja) 2012-11-07
CN101174679A (zh) 2008-05-07
JP5694255B2 (ja) 2015-04-01
KR20070100644A (ko) 2007-10-11
JP2007311332A (ja) 2007-11-29
US8486556B2 (en) 2013-07-16
US20070238017A1 (en) 2007-10-11
TWI433379B (zh) 2014-04-01

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