DK2377186T3 - Mikroporøst etlagsfolie til batterier med afbrydelsesfunktion. - Google Patents

Mikroporøst etlagsfolie til batterier med afbrydelsesfunktion. Download PDF

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Publication number
DK2377186T3
DK2377186T3 DK09799018.8T DK09799018T DK2377186T3 DK 2377186 T3 DK2377186 T3 DK 2377186T3 DK 09799018 T DK09799018 T DK 09799018T DK 2377186 T3 DK2377186 T3 DK 2377186T3
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DK
Denmark
Prior art keywords
foil
film
polyethylene
weight
temperature
Prior art date
Application number
DK09799018.8T
Other languages
English (en)
Inventor
Bertram Schmitz
Detlef Busch
Original Assignee
Treofan Germany Gmbh & Co Kg
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 Treofan Germany Gmbh & Co Kg filed Critical Treofan Germany Gmbh & Co Kg
Application granted granted Critical
Publication of DK2377186T3 publication Critical patent/DK2377186T3/da

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Classifications

    • 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
    • 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
    • C08J5/18—Manufacture of films 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising 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
    • H01M50/403—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
    • H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • 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
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/10—Homopolymers or copolymers of propene
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Cell Separators (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Laminated Bodies (AREA)

Claims (16)

1. Biaxialt orientieret, mikroporøst etlagsfolie med afbrydelsesfunktion, hvor mi-kroporøsiteten er fremstillet gennem konvetering af β-krystallint polypropylen ved strækning af foliet, som indeholder propylen-homopolymer og propylen-blokcopolymer og β-nukleeringsmiddel og polyethylen, hvor foliet har en Gurley-værdi på 50 til 5000s, kend e t e g n e t ved, at foliet har et E-modul i længderetning på 300 - 1800 N/mm2 og i tværgående retning på 400 - 3000 N/mm2, og at foliet, efter at det er blevet udsat for en temperatur på 130°C i fem minutter, har en Gurley-værdi på mindst 5000s, hvor Gurley-værdien efter denne temperaturbehandling ligger omkring mindst 1000s højere end før.
2. Folie ifølge krav 1, kendetegnet ved, at Polyethylenen har et smeltepunkt fra 115 - 140°C.
3. Folie ifølge krav 1 eller 2, kendetegnet ved, at smelteområdet af po-lyethylenet har et interval på maksimalt 10 K.
4. Folie ifølge et hvilket som helst af kravene 1 til 3, kendetegnet ved, at polyethylenet er et FIDPE eller et MDPE.
5. Folie ifølge et hvilket som helst af krav 1 til 4, kendetegnet ved, at foliet indeholder 15 - 45 vægt% polyethylen baseret på vægten af foliet.
6. Folie ifølge et hvilket som helst af krav 1 til 5, kendetegnet ved, at foliet indeholder 45 til 75 vægt% propylen-homopolymer, 10 til 45 vægt% propylen-blokcopolymer og 50 til lO.OOOppm β-nukleeringsmiddel.
7. Folie ifølge et hvilket som helst af krav 1 til 6, kendetegnet ved, at pro-pylen-homopolymeren er en høj-isotaktisk polypropylen med en kæde isotakticitet (13C-NMR) på 95 til 98%.
8. Folie ifølge et hvilket som helst af krav 1 til 6, kendetegnet ved, at pro-pylen-homopolymeren er en isotaktisk polypropylen med en kæde isotakticitet (13C-NMR) på 90 til <96%.
9. Folie ifølge et hvilket som helst af krav 1 til 8, kendetegnet ved, at nu-kleeringsmidlet er et calciumsalt af pimelinsyre eller af suberinsyre eller et carboxamid.
10. Folie ifølge et hvilket som helst af krav 1 til 9, kendetegnet ved, at massefylden af foliet ligger i et område fra 0,1 til 0,6 g/cm3.
11. Folie ifølge et hvilket som helst af krav 1 til 10, kendetegnet ved, at foliet har en Gurley-værdi på 50 til 5000 s, og efter at det er blevet udsat for en temperatur på 130°C i fem minutter, har en Gurley-værdi på mindst 8000s.
12. Folie ifølge et hvilket som helst af krav 1 til 11, k e n d e t e g n e t ved, at foliet har en tykkelse på 15 til 100pm.
13. Fremgangsmåde til fremstilling af et folie ifølge et hvilket som helst af krav 1 til 12, kendetegnet ved, at foliet er fremstillet efter fladfoliefremgangsmåden og fremføringsvalsetemperaturen ligger i et område fra 60 til 130 °C.
14. Fremgangsmåde ifølge krav 13, kendetegnet ved, at det ustrukne præ-folie har et indhold af β-krystallit på 30 til 85%.
15. Fremgangsmåde ifølge krav 13 eller 14, kendetegnet ved, at foliet strækkes i tværgående retning ved en temperatur der ligger maximalt 2°C over smeltepunktet af polyethylenen.
16. Anvendelse af et folie ifølge et hvilket som helst af krav 1 til 12, som separator i batterier eller akkumulatorer.
DK09799018.8T 2008-12-12 2009-12-05 Mikroporøst etlagsfolie til batterier med afbrydelsesfunktion. DK2377186T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008061746A DE102008061746A1 (de) 2008-12-12 2008-12-12 Einschichtige mikroporöse Folie für Batterien mit Abschaltfunktion
PCT/EP2009/008705 WO2010066390A1 (de) 2008-12-12 2009-12-05 Einschichtige mikroporöse folie für batterien mit abschaltfunktion

Publications (1)

Publication Number Publication Date
DK2377186T3 true DK2377186T3 (da) 2015-07-13

Family

ID=41698232

Family Applications (1)

Application Number Title Priority Date Filing Date
DK09799018.8T DK2377186T3 (da) 2008-12-12 2009-12-05 Mikroporøst etlagsfolie til batterier med afbrydelsesfunktion.

Country Status (13)

Country Link
US (1) US8795900B2 (da)
EP (1) EP2377186B1 (da)
JP (1) JP5498503B2 (da)
KR (1) KR101659586B1 (da)
CN (1) CN102265429B (da)
BR (1) BRPI0923506A2 (da)
CA (1) CA2746529C (da)
DE (1) DE102008061746A1 (da)
DK (1) DK2377186T3 (da)
ES (1) ES2543796T3 (da)
HR (1) HRP20150785T1 (da)
PL (1) PL2377186T3 (da)
WO (1) WO2010066390A1 (da)

Families Citing this family (14)

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CA2765274C (en) * 2009-06-20 2018-01-30 Treofan Germany Gmbh & Co. Kg Microporous foil for batteries having shutdown function
CN105206793B (zh) 2009-08-24 2017-12-22 赛昂能源有限公司 用于电化学电池的剥离系统
DE102010018374A1 (de) 2010-04-26 2011-10-27 Treofan Germany Gmbh & Co. Kg Hochporöse Separator-Folie
DE102011120474A1 (de) * 2011-12-08 2013-06-13 Treofan Germany Gmbh & Co. Kg Hochporöse Separator- Folie mit Beschichtung
DE102011121606A1 (de) * 2011-12-20 2013-06-20 Treofan Germany Gmbh & Co. Kg Hochporöse Separator-Folie mit Beschichtung und Abschaltfunktion
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Also Published As

Publication number Publication date
DE102008061746A1 (de) 2010-06-24
EP2377186A1 (de) 2011-10-19
EP2377186B1 (de) 2015-04-29
HRP20150785T1 (en) 2015-08-28
PL2377186T3 (pl) 2015-10-30
US8795900B2 (en) 2014-08-05
KR101659586B1 (ko) 2016-09-23
CA2746529A1 (en) 2010-06-17
JP2012511794A (ja) 2012-05-24
US20110244336A1 (en) 2011-10-06
BRPI0923506A2 (pt) 2018-05-29
ES2543796T3 (es) 2015-08-21
JP5498503B2 (ja) 2014-05-21
CN102265429B (zh) 2016-01-20
KR20110092303A (ko) 2011-08-17
WO2010066390A1 (de) 2010-06-17
CN102265429A (zh) 2011-11-30
CA2746529C (en) 2015-02-10

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