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WO2010013800A1 - 積層微多孔性フィルム及びその製造方法、並びに電池用セパレータ - Google Patents

積層微多孔性フィルム及びその製造方法、並びに電池用セパレータ Download PDF

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Publication number
WO2010013800A1
WO2010013800A1 PCT/JP2009/063635 JP2009063635W WO2010013800A1 WO 2010013800 A1 WO2010013800 A1 WO 2010013800A1 JP 2009063635 W JP2009063635 W JP 2009063635W WO 2010013800 A1 WO2010013800 A1 WO 2010013800A1
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WO
WIPO (PCT)
Prior art keywords
microporous membrane
multilayer microporous
battery separator
producing same
resin composition
Prior art date
Application number
PCT/JP2009/063635
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English (en)
French (fr)
Inventor
真子　輝明
陽子 浅見
Original Assignee
旭化成イーマテリアルズ株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 旭化成イーマテリアルズ株式会社 filed Critical 旭化成イーマテリアルズ株式会社
Priority to US13/056,607 priority Critical patent/US20110195295A1/en
Priority to KR1020117002287A priority patent/KR101179407B1/ko
Priority to EP09803038.0A priority patent/EP2308674B1/en
Priority to JP2010522755A priority patent/JP4704513B2/ja
Priority to CN2009801293242A priority patent/CN102105302B/zh
Publication of WO2010013800A1 publication Critical patent/WO2010013800A1/ja

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Classifications

    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/32—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed at least two layers being foamed and next to each other
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • B32B27/285—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polyethers
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • B32B7/027—Thermal 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
    • H01M50/403—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
    • H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/24—All layers being polymeric
    • 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
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • 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
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • B32B2266/025—Polyolefin
    • 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
    • B32B2270/00—Resin or rubber layer containing a blend of at least two different polymers
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/308—Heat stability
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/514—Oriented
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • 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
    • 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
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249978—Voids specified as micro

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Laminated Bodies (AREA)
  • Cell Separators (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

　第１の樹脂組成物から構成される第１の微多孔層と、前記第１の樹脂組成物よりも低い融点を有する第２の樹脂組成物から構成される第２の微多孔層と、が積層された積層微多孔性フィルムであって、前記第１の微多孔層の溶融粘度ηＡが１００００Ｐａ・ｓ以上であり、前記溶融粘度ηＡと前記第２の微多孔層の溶融粘度ηＢとの比ηＡ／ηＢが０．０１～１０である、透気性と破膜温度のバランスに優れた積層微多孔性フィルム。
PCT/JP2009/063635 2008-07-31 2009-07-31 積層微多孔性フィルム及びその製造方法、並びに電池用セパレータ WO2010013800A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US13/056,607 US20110195295A1 (en) 2008-07-31 2009-07-31 Laminated microporous film and method for manufacturing the same, and separator for battery
KR1020117002287A KR101179407B1 (ko) 2008-07-31 2009-07-31 적층 미다공성 필름 및 그의 제조 방법, 및 전지용 세퍼레이터
EP09803038.0A EP2308674B1 (en) 2008-07-31 2009-07-31 Multilayer microporous membrane, method for producing same and battery separator
JP2010522755A JP4704513B2 (ja) 2008-07-31 2009-07-31 積層微多孔性フィルム及びその製造方法、並びに電池用セパレータ
CN2009801293242A CN102105302B (zh) 2008-07-31 2009-07-31 层叠微多孔性薄膜及其制造方法和电池用分隔件

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008198163 2008-07-31
JP2008-198163 2008-07-31

Publications (1)

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WO2010013800A1 true WO2010013800A1 (ja) 2010-02-04

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Country Status (7)

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US (1) US20110195295A1 (ja)
EP (1) EP2308674B1 (ja)
JP (1) JP4704513B2 (ja)
KR (1) KR101179407B1 (ja)
CN (1) CN102105302B (ja)
TW (1) TWI392132B (ja)
WO (1) WO2010013800A1 (ja)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011255654A (ja) * 2010-06-11 2011-12-22 Asahi Kasei E-Materials Corp 積層微多孔性フィルム及びその製造方法、並びに電池用セパレータ
JP2012161936A (ja) * 2011-02-03 2012-08-30 Asahi Kasei E-Materials Corp 積層微多孔性フィルムの製造方法、及び電池用セパレータ
US20130034769A1 (en) * 2010-04-19 2013-02-07 Mitsubishi Plastics, Inc. Laminated porous film, separator for non-aqueous electrolyte battery, and non-aqueous electrolyte secondary battery
JP2015123621A (ja) * 2013-12-26 2015-07-06 三菱樹脂株式会社 積層多孔性フィルム、電池用セパレータ及びその製造方法
EP2586611A4 (en) * 2010-06-25 2015-08-05 Toray Battery Separator Film POROUS COMPOSITE MEMBRANE, METHOD FOR PRODUCING POROUS COMPOSITE MEMBRANE, AND BATTERY SEPARATOR USING THE MEMBRANE
JP2016013661A (ja) * 2014-07-02 2016-01-28 旭化成イーマテリアルズ株式会社 積層微多孔性フィルム及びその製造方法
JP2016022679A (ja) * 2014-07-22 2016-02-08 旭化成イーマテリアルズ株式会社 積層微多孔性フィルム及びその製造方法、並びに電池用セパレータ
JP2016022676A (ja) * 2014-07-22 2016-02-08 旭化成イーマテリアルズ株式会社 積層微多孔性フィルム及びその製造方法、並びに電池用セパレータ
JP2023098809A (ja) * 2021-12-29 2023-07-11 ダブル・スコープコリア カンパニー，リミテッド セパレータ製造用延伸装置およびこれを用いたセパレータの製造方法

Families Citing this family (7)

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Publication number Priority date Publication date Assignee Title
JP4707159B2 (ja) * 2008-03-31 2011-06-22 旭化成イーマテリアルズ株式会社 微多孔性フィルム、及びその製造方法
JP5861832B2 (ja) * 2011-06-30 2016-02-16 Jnc株式会社 微多孔膜
TWI453114B (zh) * 2012-05-11 2014-09-21 Entire Technology Co Ltd 多孔複合膜的製造方法
JP6447129B2 (ja) * 2013-09-10 2019-01-09 東レ株式会社 二次電池用セパレータおよび二次電池
KR20170082616A (ko) * 2014-11-10 2017-07-14 주식회사 쿠라레 적층체 및 접합 유리
KR20200130347A (ko) * 2018-03-02 2020-11-18 셀가드 엘엘씨 마이크로 다공성 막, 전지 세퍼레이터, 및 이를 제조하고 사용하기 위한 방법
JP7215011B2 (ja) * 2018-08-09 2023-01-31 トヨタ自動車株式会社 リチウムイオン電池の製造方法

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US7087343B2 (en) * 2003-07-15 2006-08-08 Celgard, Inc. High melt integrity battery separator for lithium ion batteries
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JP3003830B2 (ja) 1994-05-12 2000-01-31 宇部興産株式会社 積層多孔質フイルム及びその製法
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JP2001085061A (ja) * 1999-09-14 2001-03-30 Toshiba Battery Co Ltd 電気化学デバイス
JP2006083294A (ja) 2004-09-16 2006-03-30 Mitsui Chemicals Inc 変性ポリプロピレン樹脂
JP2008144039A (ja) * 2006-12-11 2008-06-26 Asahi Kasei Chemicals Corp 微細通流体性多孔体及びその製造方法
WO2008143005A1 (ja) * 2007-05-10 2008-11-27 Hitachi Maxell, Ltd. 電気化学素子およびその製造方法

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See also references of EP2308674A4

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130034769A1 (en) * 2010-04-19 2013-02-07 Mitsubishi Plastics, Inc. Laminated porous film, separator for non-aqueous electrolyte battery, and non-aqueous electrolyte secondary battery
JP2011255654A (ja) * 2010-06-11 2011-12-22 Asahi Kasei E-Materials Corp 積層微多孔性フィルム及びその製造方法、並びに電池用セパレータ
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JP2016013661A (ja) * 2014-07-02 2016-01-28 旭化成イーマテリアルズ株式会社 積層微多孔性フィルム及びその製造方法
JP2016022679A (ja) * 2014-07-22 2016-02-08 旭化成イーマテリアルズ株式会社 積層微多孔性フィルム及びその製造方法、並びに電池用セパレータ
JP2016022676A (ja) * 2014-07-22 2016-02-08 旭化成イーマテリアルズ株式会社 積層微多孔性フィルム及びその製造方法、並びに電池用セパレータ
JP2023098809A (ja) * 2021-12-29 2023-07-11 ダブル・スコープコリア カンパニー，リミテッド セパレータ製造用延伸装置およびこれを用いたセパレータの製造方法
JP7342206B2 (ja) 2021-12-29 2023-09-11 ダブル・スコープコリア カンパニー，リミテッド セパレータ製造用延伸装置およびこれを用いたセパレータの製造方法

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JPWO2010013800A1 (ja) 2012-01-12
TWI392132B (zh) 2013-04-01
EP2308674A1 (en) 2011-04-13
JP4704513B2 (ja) 2011-06-15
KR20110061544A (ko) 2011-06-09
EP2308674B1 (en) 2013-09-11
CN102105302B (zh) 2013-11-06
TW201010164A (en) 2010-03-01

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