PL3181621T3 - Mikroporowata membrana poliolefinowa i sposób jej wytwarzania, separator dla akumulatora z niewodnym elektrolitem, i akumulator z niewodnym elektrolitem - Google Patents

Mikroporowata membrana poliolefinowa i sposób jej wytwarzania, separator dla akumulatora z niewodnym elektrolitem, i akumulator z niewodnym elektrolitem

Info

Publication number
PL3181621T3
PL3181621T3 PL15832505T PL15832505T PL3181621T3 PL 3181621 T3 PL3181621 T3 PL 3181621T3 PL 15832505 T PL15832505 T PL 15832505T PL 15832505 T PL15832505 T PL 15832505T PL 3181621 T3 PL3181621 T3 PL 3181621T3
Authority
PL
Poland
Prior art keywords
secondary cell
nonaqueous electrolyte
electrolyte secondary
separator
microporous film
Prior art date
Application number
PL15832505T
Other languages
English (en)
Inventor
Naoki Toyota
Masami Sugata
Takeshi Ishihara
Original Assignee
Toray Industries, Inc.
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 Toray Industries, Inc. filed Critical Toray Industries, Inc.
Publication of PL3181621T3 publication Critical patent/PL3181621T3/pl

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/26—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a solid phase from a macromolecular composition or article, e.g. leaching out
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/572—Means for preventing undesired use or discharge
    • H01M50/574—Devices or arrangements for the interruption of current
    • H01M50/581—Devices or arrangements for the interruption of current in response to temperature
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/88—Adding charges, i.e. additives
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/20—Manufacture of shaped structures of ion-exchange resins
    • C08J5/22—Films, membranes or diaphragms
    • C08J5/2206—Films, membranes or diaphragms based on organic and/or inorganic macromolecular compounds
    • C08J5/2218—Synthetic macromolecular compounds
    • C08J5/2231—Synthetic macromolecular compounds based on macromolecular compounds obtained by reactions involving unsaturated carbon-to-carbon bonds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/20—Manufacture of shaped structures of ion-exchange resins
    • C08J5/22—Films, membranes or diaphragms
    • C08J5/2206—Films, membranes or diaphragms based on organic and/or inorganic macromolecular compounds
    • C08J5/2275—Heterogeneous membranes
    • 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
    • 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
    • H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
    • H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
    • H01M10/0566—Liquid materials
    • 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
    • H01M50/489—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
    • 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
    • H01M50/494—Tensile strength
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00—Electrolytes
    • H01M2300/0017—Non-aqueous electrolytes
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Physics & Mathematics (AREA)
  • Cell Separators (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Secondary Cells (AREA)
PL15832505T 2014-08-12 2015-08-07 Mikroporowata membrana poliolefinowa i sposób jej wytwarzania, separator dla akumulatora z niewodnym elektrolitem, i akumulator z niewodnym elektrolitem PL3181621T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2014164200 2014-08-12
PCT/JP2015/072446 WO2016024533A1 (ja) 2014-08-12 2015-08-07 ポリオレフィン微多孔膜およびその製造方法、非水電解液系二次電池用セパレータ、ならびに非水電解液系二次電池
EP15832505.0A EP3181621B1 (en) 2014-08-12 2015-08-07 Polyolefin microporous film and method for manufacturing same, separator for nonaqueous electrolyte secondary cell, and nonaqueous electrolyte secondary cell

Publications (1)

Publication Number Publication Date
PL3181621T3 true PL3181621T3 (pl) 2021-03-08

Family

ID=55304161

Family Applications (1)

Application Number Title Priority Date Filing Date
PL15832505T PL3181621T3 (pl) 2014-08-12 2015-08-07 Mikroporowata membrana poliolefinowa i sposób jej wytwarzania, separator dla akumulatora z niewodnym elektrolitem, i akumulator z niewodnym elektrolitem

Country Status (7)

Country Link
EP (1) EP3181621B1 (pl)
JP (1) JP6652059B2 (pl)
KR (1) KR20170041194A (pl)
CN (1) CN106661264B (pl)
HU (1) HUE051857T2 (pl)
PL (1) PL3181621T3 (pl)
WO (1) WO2016024533A1 (pl)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105552280B (zh) 2016-03-07 2018-09-11 上海恩捷新材料科技股份有限公司 一种锂离子电池隔膜的制备方法
KR102264032B1 (ko) 2017-03-27 2021-06-11 아사히 가세이 가부시키가이샤 폴리올레핀 미다공막 및 폴리올레핀 미다공막의 제조 방법
CN108550769A (zh) * 2018-05-21 2018-09-18 珠海光宇电池有限公司 锂离子电池隔膜的制备方法及锂离子电池
JP6580211B1 (ja) * 2018-06-01 2019-09-25 住友化学株式会社 非水電解液二次電池用セパレータ
CN111602265B (zh) * 2018-10-11 2022-11-01 旭化成株式会社 锂离子电池用分隔件
CN115051117B (zh) * 2018-10-11 2025-07-25 旭化成电池隔膜株式会社 使用交联分隔件的锂离子电池
JP7306200B2 (ja) * 2018-10-31 2023-07-11 東レ株式会社 多孔性ポリオレフィンフィルム
CN113631644A (zh) * 2019-03-29 2021-11-09 东丽株式会社 聚烯烃微多孔膜、电池用隔板、二次电池和聚烯烃微多孔膜的制造方法
CN114128031B (zh) * 2019-07-25 2024-11-05 东丽株式会社 聚烯烃系微多孔膜、层叠体和使用其的非水电解液二次电池
JP7838918B2 (ja) * 2019-07-25 2026-04-01 東レ株式会社 ポリオレフィン系微多孔膜、積層体、およびそれを用いた非水電解液二次電池
JP7859788B2 (ja) * 2019-07-25 2026-05-15 東レ株式会社 ポリオレフィン系微多孔膜、積層体、及びそれを用いた非水電解液二次電池
CN112795066B (zh) * 2019-11-13 2023-10-24 上海恩捷新材料科技有限公司 一种聚烯烃微多孔膜
EP4148890A4 (en) * 2021-07-30 2024-08-14 Contemporary Amperex Technology Co., Limited INSULATING FILM AND PREPARATION METHOD THEREOF, ELECTROCHEMICAL APPARATUS, ELECTROCHEMICAL DEVICE AND ELECTRICAL APPARATUS
EP4700961A2 (en) * 2022-02-23 2026-02-25 LG Energy Solution, Ltd. Substrate for separator of electrochemical device, separator including same, and method of forming battery cell separator
CN115312973B (zh) * 2022-10-12 2023-01-31 中材锂膜有限公司 一种聚烯烃多孔膜及其制备方法、电池隔膜、电化学装置
CN117937051B (zh) * 2024-03-21 2024-06-21 宁德新能源科技有限公司 一种隔离膜、二次电池和电子装置
WO2026102765A1 (zh) * 2024-11-18 2026-05-21 深圳市星源材质科技股份有限公司 一种锂电池用微多孔隔膜及其制备方法
WO2026163913A1 (ja) * 2025-01-31 2026-08-06 東レ株式会社 ポリオレフィン微多孔シート、電池用セパレータ、フィルターおよびポリオレフィン微多孔シートを用いたポリオレフィン微多孔延伸フィルム、電池用セパレータ、フィルターの製造方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3967421B2 (ja) * 1997-04-04 2007-08-29 東燃化学株式会社 ポリオレフィン微多孔膜の製造方法
JP2002284918A (ja) * 2001-03-23 2002-10-03 Tonen Chem Corp ポリオレフィン微多孔膜及びその製造方法並びに用途
JP2002355938A (ja) * 2001-05-30 2002-12-10 Tonen Chem Corp 複合膜、その製造方法及びそれを用いた電池用セパレータ又はフィルター
JP2005343958A (ja) * 2004-06-01 2005-12-15 Tonen Chem Corp ポリエチレン微多孔膜の製造方法並びにその微多孔膜及び用途
JP4808935B2 (ja) * 2004-06-01 2011-11-02 東レ東燃機能膜合同会社 ポリエチレン微多孔膜の製造方法並びにその微多孔膜及び用途
KR101231748B1 (ko) * 2005-03-31 2013-02-08 도레이 배터리 세퍼레이터 필름 주식회사 폴리올레핀 미세 다공막 및 그 제조 방법
KR101432146B1 (ko) * 2007-11-28 2014-08-28 에스케이이노베이션 주식회사 물성과 고온 열안정성이 우수한 폴리올레핀 미세다공막
JP5400417B2 (ja) * 2009-02-23 2014-01-29 日東電工株式会社 複合多孔質フィルムおよびその製造方法、並びに電池用セパレータおよびそれを用いた非水系電解液二次電池
KR101361202B1 (ko) * 2009-03-18 2014-02-07 히다치 막셀 가부시키가이샤 전기 화학 소자
US20130273408A1 (en) * 2010-12-17 2013-10-17 Teijin Limited Separator for non-aqueous electrolyte battery, and non-aqueous electrolyte battery
JP5861832B2 (ja) * 2011-06-30 2016-02-16 Jnc株式会社 微多孔膜
KR101852803B1 (ko) * 2011-07-22 2018-04-27 도레이 카부시키가이샤 미다공성 폴리에틸렌 필름의 제조 방법
WO2013054929A1 (ja) * 2011-10-14 2013-04-18 東レ株式会社 多孔性ポリプロピレンフィルムおよび蓄電デバイス

Also Published As

Publication number Publication date
EP3181621B1 (en) 2020-09-23
JP6652059B2 (ja) 2020-02-19
KR20170041194A (ko) 2017-04-14
EP3181621A4 (en) 2018-01-10
EP3181621A1 (en) 2017-06-21
JPWO2016024533A1 (ja) 2017-05-25
CN106661264A (zh) 2017-05-10
WO2016024533A1 (ja) 2016-02-18
CN106661264B (zh) 2019-12-10
HUE051857T2 (hu) 2021-03-29

Similar Documents

Publication Publication Date Title
HUE051857T2 (hu) Mikropórusos poliolefin film és eljárás annak elõállítására, szeparátor elem nemvizes elektrolitú szekunder cellához, és nemvizes elektrolitú szekunder cella
PL3056336T3 (pl) Laminowana porowata folia poliolefinowa, separator baterii z jej zastosowaniem i sposób wytwarzania laminowanej porowatej folii poliolefinowej
HUE062394T2 (hu) Többrétegû mikroporózus poliolefin film, eljárás elõállítására és cellaszeparátor
EP3239222A4 (en) Polyolefin microporous membrane, method for producing same, and battery separator
EP3121872A4 (en) Heat resistant synthetic resin microporous film, method for manufacturing same, nonaqueous electrolyte secondary cell separator, and nonaqueous electrolyte secondary cell
EP3333942A4 (en) NEGATIVE ELECTRODE FOR A LITHIUM ION SECONDARY BATTERY, LITHIUM ION SECONDARY BATTERY THEREWITH AND METHOD FOR PRODUCING A NEGATIVE ELECTRODE FOR A LITHIUM ION SECONDARY BATTERY
EP3376561A4 (en) Separator for non-aqueous secondary cell, and non-aqueous secondary cell
EP3098881A4 (en) Negative electrode substance for nonaqueous electrolyte secondary battery, negative electrode for nonaqueous electrolyte secondary battery, and nonaqueous electrolyte secondary battery
EP3203548A4 (en) Anode, lithium secondary battery comprising same, battery module comprising the lithium secondary battery, and method for manufacturing anode
EP3093914A4 (en) Method for producing nonaqueous electrolyte secondary cell
EP3376562A4 (en) Separator for non-aqueous secondary cell, and non-aqueous secondary cell
EP3211693A4 (en) Layered polyolefin microporous membrane, separator for batteries, and methods for manufacturing same
PT3518333T (pt) Eletrólito sólido híbrido para bateria secundária
EP3113261A4 (en) Negative electrode material for nonaqueous electrolyte secondary cell, method for producing negative electrode material for nonaqueous electrolyte secondary cell, and nonaqueous electrolyte secondary cell
EP3224880A4 (en) Improved multilayer microporous separators for lithium ion secondary batteries and related methods
EP3006492A4 (en) Process for producing cellulose-nanofiber-filled microporous stretched polyolefin film, microporous cellulose-nanofiber composite film, and separator for non-aqueous secondary battery
EP3203549A4 (en) Anode, lithium secondary battery comprising same, battery module comprising the lithium secondary battery, and method for manufacturing anode
EP3232494A4 (en) Separator for secondary cell, method for manufacturing separator for secondary cell, and secondary cell
PL3181622T3 (pl) Mikroporowata membrana poliolefinowa i sposób jej wytwarzania, separator do baterii wtórnej z niewodnym elektrolitem i bateria wtórna z niewodnym elektrolitem
EP3276732A4 (en) Lithium-ion secondary cell and method for manufacturing same
EP3222656A4 (en) Microporous polyolefin film, separator for battery, and production processes therefor
EP3324461A4 (en) LITHIUM ION BATTERY SEPARATOR, MANUFACTURING METHOD THEREOF, AND LITHIUM ION BATTERY
HUE060294T2 (hu) Mikropórusos poliolefin film, szeparátor akkumulátorhoz, és eljárások ezek elõállítására
EP3113246A4 (en) Porous separator for secondary batteries and secondary battery using same
HUE051633T2 (hu) Eljárás mikroporózus membrán elõállítására, mikroporózus membrán, akkumulátor szeparátor, és másodlagos akkumulátor