DK2377185T3 - Mikroporøs flerlagsfolie til batterier med frakoblingsfunktion. - Google Patents

Mikroporøs flerlagsfolie til batterier med frakoblingsfunktion. Download PDF

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Publication number
DK2377185T3
DK2377185T3 DK09768499.7T DK09768499T DK2377185T3 DK 2377185 T3 DK2377185 T3 DK 2377185T3 DK 09768499 T DK09768499 T DK 09768499T DK 2377185 T3 DK2377185 T3 DK 2377185T3
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DK
Denmark
Prior art keywords
foil
layer
weight
foil according
polyethylene
Prior art date
Application number
DK09768499.7T
Other languages
English (en)
Inventor
Bertam 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 DK2377185T3 publication Critical patent/DK2377185T3/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
    • 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
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • 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
    • H01M50/409—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
    • H01M50/491—Porosity
    • 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
    • B32B2307/518—Oriented bi-axially
    • 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
    • B32B2307/704—Crystalline
    • 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
    • B32B2307/7242—Non-permeable
    • 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

Landscapes

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

Claims (19)

1. Biaksialt orienteret, mikroporøs flerlagsfolie med frakoblingsfunktion, hvis mikro-porøsitet opnås ved omdannelse af β-krystallinsk polypropylen ved strækning af folien, som omfatter mindst ét frakoblingslag I og mindst ét lag II, hvor frakoblingslaget indeholder propylenhomopolymer og propylen-blokcopolymer og β-nukleeringsmiddel og po-lyethylen, hvor folien omfatter en Gurley-værdi på 50 til 5000 s, et E-modul i længderetningen på >300 N/mm2 og i tværretningen på >500 N/mm2, og folien efter den i fem minutter er blevet udsat for en temperatur på 130 °C omfatter en Gurley-værdi på mindst 5000 s, hvor Gurley-værdien efter denne temperaturbehandling ligger mindst 1000 s højere end før, kendetegnet ved, at laget II er porøst, og laget II indeholder propylenhomopolymer og propylen-blokcopolymer og β-nukleeringsmiddel.
2. Folie ifølge krav 1, kendetegnet ved, at polyethylenen af frakoblingslaget I omfatter et smeltepunkt på fra 115 - 140 °C.
3. Folie ifølge krav 1 eller 2, kendetegnet ved, at smelteområdet af polyethylenen af frakoblingslaget I omfatter en bredde på maksimalt 10 K.
4. Folie ifølge ét af kravene 1 til 3, kendetegnet ved, at polyethylenen af frakoblingslaget I er en FIDPE eller en MDPE.
5. Folie ifølge ét af kravene 1 til 4, kendetegnet ved, at frakoblingslaget I indeholder 15 - 45 vægtprocent polyethylen i forhold til vægten af frakoblingslaget I.
6. Folie ifølge ét af kravene ltil 5, kendetegnet ved, at frakoblingslaget I indeholder 45 til 75 vægtprocent propylenhomopolymer, 10 til 45 vægtprocent propylen-blokcopolymer og 50 til 10.000 ppm β-nukleeringsmiddel.
7. Folie ifølge ét af kravene ltil 6, kendetegnet ved, at propylenhomopoly-meren er en højisotaktisk polypropylen med en kædeisotaxi (13C-NMR) på 96 til 99 %.
8. Folie ifølge ét af kravene ltil 6, kendetegnet ved, at propylenhomopoly-meren er en isotaktisk polypropylen med en kædeisotaxi (13C-NMR) på 90 til <96 %.
9. Folie ifølge ét af kravene ltil 8, kendetegnet ved, at nukleeringsmidlet er et calciumsalt af pimelinsyren eller af suberinsyren eller en carboxamid.
10. Folie ifølge ét af kravene 1 til 9, kendetegnet ved, at det porøse lag II indeholder 50 til 85 vægtprocent propylenhomopolymer, 15 til 50 vægtprocent propylen-blokcopolymer og 50 til 10000 ppm β-nukleeringsmiddel.
11. Folie ifølge ét af kravene 1 til 10, kendetegnet ved, at det porøse lag II indeholder 0-5 vægtprocent FIDPE og/eller MDPE.
12. Folie ifølge ét af kravene ltil 11, kendetegnet ved, at folien omfatter yderligere et porøst lag, som indeholder propylenhomopolymer og propylen-blokcopolymer og β-nukleeringsmiddel.
13. Folie ifølge ét af kravene 1 til 12, kendetegnet ved, at densiteten af folien ligger i et område på 0,1 til 0,6 g/cm3.
14. Folie ifølge ét af kravene 1 til 13, kendetegnet ved, at folien omfatter en Gurley-værdi på 50 til 5000 s, og efter den i fem minutter er blevet udsat for en tempera tur på 130 °C omfatter en Gurley-værdi på mindst 8000 s.
15. Folie ifølge ét af kravene 1 til 14, kendetegnet ved, at folien omfatter en tykkelse på fra 10 til 100 pm.
16. Fremgangsmåde til fremstilling af en folie ifølge ét eller flere af kravene 1 til 15, kendetegnet ved, at folien er fremstillet efter fladfoliefremgangsmåden, og at aftræksvalsetemperaturen ligger i et område på fra 60 til 130 °C.
17. Fremgangsmåde ifølge krav 16, kendetegnet ved, at den ustrakte forfolie omfatter et indhold af β-krystallitter på fra 30 til 85 %.
18. Fremgangsmåde ifølge krav 16 eller 17, kendetegnet ved, at folien strækkes i tværretningen ved en temperatur, som maksimalt ligger 2 °C over smeltepunktet af polyethylenen.
19. Anvendelse af en folie ifølge ét af kravene 1 til 15 som separator i batterier eller akkumulatorer.
DK09768499.7T 2008-12-12 2009-12-05 Mikroporøs flerlagsfolie til batterier med frakoblingsfunktion. DK2377185T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008061748A DE102008061748A1 (de) 2008-12-12 2008-12-12 Mehrschichtige mikroporöse Folie für Batterien mit Abschaltfunktion
PCT/EP2009/008704 WO2010066389A1 (de) 2008-12-12 2009-12-05 Mehrschichtige mikroporöse folie für batterien mit abschaltfunktion

Publications (1)

Publication Number Publication Date
DK2377185T3 true DK2377185T3 (da) 2015-07-06

Family

ID=41694717

Family Applications (1)

Application Number Title Priority Date Filing Date
DK09768499.7T DK2377185T3 (da) 2008-12-12 2009-12-05 Mikroporøs flerlagsfolie til batterier med frakoblingsfunktion.

Country Status (12)

Country Link
US (1) US8802270B2 (da)
EP (1) EP2377185B1 (da)
JP (1) JP5606447B2 (da)
KR (1) KR101659588B1 (da)
CN (1) CN102265428B (da)
CA (1) CA2746526C (da)
DE (1) DE102008061748A1 (da)
DK (1) DK2377185T3 (da)
ES (1) ES2543626T3 (da)
HR (1) HRP20150786T1 (da)
PL (1) PL2377185T3 (da)
WO (1) WO2010066389A1 (da)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8927135B2 (en) * 2009-06-20 2015-01-06 Treofan Germany Gmbh & Co. Kg Microporous foil for batteries having shutdown function
DE102009050439A1 (de) 2009-10-20 2011-05-05 Treofan Germany Gmbh & Co. Kg Nanoskaliges ß-Nukleierungsmittel für Polypropylen
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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EP2903830B1 (de) 2012-10-08 2018-09-12 Treofan Germany GmbH & Co.KG Mikroporöse separator-folie mit homogener porosität und erhöhter durchstossfestigkeit
WO2015090571A1 (de) * 2013-12-19 2015-06-25 Treofan Germany Gmbh & Co. Kg IONENAUSTAUSCHER-MEMBRAN AUS BIAXIAL VERSTRECKTER β-PORÖSER FOLIE
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KR20230033714A (ko) 2020-07-01 2023-03-08 셀라니즈 인터내셔날 코포레이션 중합체 조성물, 및 이로부터 제조된 개선된 기계적 강도를 갖는 막

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Also Published As

Publication number Publication date
EP2377185A1 (de) 2011-10-19
ES2543626T3 (es) 2015-08-20
CA2746526A1 (en) 2010-06-17
CN102265428A (zh) 2011-11-30
PL2377185T3 (pl) 2015-10-30
DE102008061748A1 (de) 2010-06-24
CN102265428B (zh) 2015-06-24
KR101659588B1 (ko) 2016-09-23
JP2012511444A (ja) 2012-05-24
US8802270B2 (en) 2014-08-12
US20110244306A1 (en) 2011-10-06
WO2010066389A1 (de) 2010-06-17
KR20110098737A (ko) 2011-09-01
CA2746526C (en) 2014-02-18
EP2377185B1 (de) 2015-04-29
HRP20150786T1 (hr) 2015-08-28
JP5606447B2 (ja) 2014-10-15

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