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35 records (took 0.034 seconds)

    1.
    发明专利
    未知

    公开(公告)号：ES2183353T3

    公开(公告)日：2003-03-16

    申请号：ES98919152

    申请日：1998-03-25

    Applicant: BASF AG

    Inventor： BAUER STEPHAN ,  WEINGART FRANZ ,  BRONSTERT BERND ,  MOHWALD HELMUT ,  KESSLER THOMAS ,  BURKHARDT UWE

    IPC: H01G9/00 ,  H01G9/02 ,  H01G9/025 ,  H01M2/14 ,  H01M2/16 ,  H01M4/02 ,  H01M4/04 ,  H01M4/13 ,  H01M4/139 ,  H01M4/1391 ,  H01M4/1393 ,  H01M4/50 ,  H01M4/505 ,  H01M4/52 ,  H01M4/525 ,  H01M4/58 ,  H01M4/62 ,  H01M6/18 ,  H01M6/40 ,  H01M10/0525 ,  H01M10/0565 ,  H01M10/36 ,  H01M10/40

    Abstract: The invention relates to a method for producing shaped bodies, preferably for a film-like shaped body, comprising the following steps: I) compounding and melt extrusion of a mixture (I) comprising a mixture (II) containing a) 1 to 95 wt. % of at least a pigment (III) with a primary particle size ranging from 5 nm to 20mm, selected from the group consisting of one electrochemically inert solid (IIIa), of a compound (IIIb) capable of giving off lithium ions when charged, and a compound (IIIc), capable of receiving lithium ions when charged, and a mixture of solid (IIIa) with compounds (IIIb) or compound (IIIc), b) 5 to 99 wt. % of at least one polymer binding agent (IV), and c) 0 to 200 wt. % of at least one softening agent (V) in relation to the overall amount of constituents a) and b), wherein the weight percentage of mixture (II) in mixture (I) ranges from 1 to 100 wt. %, and excluding mixtures (I) comprising mixtures (II) containing a copolymer consisting of vinylidene fluoride (Vdf) and hexafluoropropylene (HFP) with a HFP content ranging from 8 to 25 wt. % as a polymer binding agent (IV) and a compound as a softening agent (V) which is selected from the group consisting of dibutyl phthalate, dimethyl phthalate, diethyl phthalate, tris(butoxy)ethyl phosphate, propylene carbonate, ethylene carbonate, trimethyl trimellitate and mixtures thereof.

    3.
    发明专利
    未知

    公开(公告)号：ES2194459T3

    公开(公告)日：2003-11-16

    申请号：ES99920845

    申请日：1999-05-04

    Applicant: BASF AG

    Inventor： MOHWALD HELMUT ,  DOTTER GERHARD ,  BLUM RAINER ,  KELLER PETER ,  BAUER STEPHAN ,  BRONSTERT BERND

    IPC: C08F8/00 ,  G01N27/407 ,  H01G9/02 ,  H01G9/025 ,  H01M2/16 ,  H01M4/13 ,  H01M4/62 ,  H01M6/16 ,  H01M10/052 ,  H01M10/0565 ,  H01M10/36 ,  H01M10/40

    Abstract: The compositions comprise: (a) from 1 to 99% by weight of a pigment (I) having a primary particle size of from 5 nm to 100 mum which is a solid Ia or a compound Ib which acts as cathode material in electrochemical cells or a compound Ic which acts as anode material in electrochemical cells or a mixture of the solid Ia with the compound Ib or the compound Ic, (b) from 1 to 99% by weight of a polymeric material (II) which comprises: (IIa) from 1 to 100% by weight of a polymer or copolymer (IIa) which has, as part of the chain, at the end(s) of the chain and/or laterally on the chain, reactive groups (RG) which are capable of crosslinking reactions under the action of heat and/or UV radiation, and (IIb) from 0 to 99% by weight of at least one polymer or copolymer (IIb) which is free of reactive groups RG.

    Composite bodies used as separators in electrochemical cells
    5.
    发明专利
    Composite bodies used as separators in electrochemical cells 未知

    公开(公告)号：AU4398900A

    公开(公告)日：2000-11-14

    申请号：AU4398900

    申请日：2000-04-07

    Applicant: BASF AG

    Inventor： BAUER STEPHAN ,  BRONSTERT BERND ,  MOHWALD HELMUT

    IPC: B32B27/00 ,  G02F1/15 ,  H01M2/16 ,  H01M6/18 ,  H01M10/052 ,  H01M10/0565 ,  H01M10/36 ,  G01N27/26 ,  H01G9/02

    Abstract: A composite comprises at least one first layer which includes a composite comprising(a) from 1 to 99% by weight of a solid (I) with a primary particle size of from 5 nm to 100 mum or a mixture made from at least two solids,(b) from 99 to 1% by weight of a polymeric binder (II) obtainable by polymerizingb1) from 5 to 100% by weight, based on the binder (II), of a condensation product III made fromat least one compound IV which is capable of reacting with a carboxylic acid or with a sulfonic acid or with a derivative or with a mixture of two or more of these, andat least one mol per mole of compound IV of a carboxylic or sulfonic acid V which has at least one functional group capable of free-radical polymerization, or of a derivative of these or of a mixture of two or more of theseandb2) from 0 to 95% by weight, based on the binder (II), of another compound VII with an average molecular weight (number average) of at least 5000 having polyether segments in a main or side chain,where the at least one layer has been applied to at least one second layer comprising at least one conventional separator.

    COMPOSITE BODIES USED AS SEPARATORS IN ELECTROCHEMICAL CELLS
    7.
    发明专利
    COMPOSITE BODIES USED AS SEPARATORS IN ELECTROCHEMICAL CELLS 未知

    公开(公告)号：CA2369483A1

    公开(公告)日：2000-10-19

    申请号：CA2369483

    申请日：2000-04-07

    Applicant: BASF AG

    Inventor： MOHWALD HELMUT ,  BAUER STEPHAN ,  BRONSTERT BERND

    IPC: B32B27/00 ,  G02F1/15 ,  H01M2/16 ,  H01M6/18 ,  H01M10/052 ,  H01M10/0565 ,  H01M10/36 ,  H01G9/02 ,  G01N27/26

    Abstract: The invention relates to composite bodies having at least one first layer, containing a composition comprising (a) 1 to 99 percent by weight of a solid (I) with a primary particle size ranging from 5 nm to 100 .mu.m or a mixture consisting of at least two solids; (b) 99 to 1 percent by weight of a polymeric binder (II) obtained by polymerization of b1) 5 to 100 percent by weight, in relation to the binder (II), of a condensation product (III) consisting of (.alpha.) at least one compound (IV) capable of reacting with a carboxylic acid or a sulphonic acid or a derivative or a mixture of two or more thereof and (.beta.) at least one mole per mole of the compound (IV) consisting of a carboxylic acid or a sulphonic acid (V) having at least one radically polymerizable functional group or a derivative thereof or a mixtur e consisting of two or more thereof and b2) 0 to 95 percent by weight, in relation to the binder (II), of an additional compound (VII) having a mean molecular weight (numerical average) of at least 5000 with polyether segment s in the main or side chain, wherein the at least one layer is applied on at least one second layer comprising at least one conventional separator.

    Composite suitable for use in electrochemical cells
    9.
    发明专利
    Composite suitable for use in electrochemical cells 未知

    公开(公告)号：AU1226699A

    公开(公告)日：1999-05-03

    申请号：AU1226699

    申请日：1998-10-08

    Applicant: BASF AG ,  GS JAPAN STORAGE

    Inventor： BAUER STEPHAN ,  BRONSTERT BERND ,  MOHWALD HELMUT ,  STEPHAN OSKAR ,  TUKAMOTO HISASHI

    IPC: H01G9/155 ,  C09K9/02 ,  H01B5/14 ,  H01G9/02 ,  H01G9/04 ,  H01M2/16 ,  H01M4/13 ,  H01M4/48 ,  H01M4/485 ,  H01M4/62 ,  H01M6/18 ,  H01M6/40 ,  H01M10/0525 ,  H01M10/0565 ,  H01M10/0569 ,  H01M10/36

    Abstract: A composite comprises Aa) at least one first layer which comprises a mixture Ia, comprising a mix IIa consisting of a) from 1 to 95 % by weight of a solid III, preferably a basic solid III, having a primary particle size of from 5 nm to 20 mu m and b) from 5 to 99 % by weight of a polymeric composition IV obtainable by polymerization of b1) from 5 to 100 % by weight, based on the composition IV, of a condensation product V of alpha ) at least one compound VI which is able to react with a carboxylic acid or a sulfonic acid or a derivative or a mixture of two or more thereof, and beta ) at least 1 mol per mol of the compound VI of a carboxylic acid or sulfonic acid VII which contains at least one free-radically polymerizable functional group, or a derivative thereof or a mixture of two or more thereof, and b2) from 0 to 95 % by weight, based on the composition IV, of a further compound VIII having a mean molecular weight (number average) of at least 5000 and polyether segments in the main chain or a side chain, where the proportion by weight of the mix IIa in the mixture Ia is from 1 to 100 % by weight, and the layer is free of an electron-conducting, electrochemically active compound, and B) at least one second layer which comprises an electron-conducting, electrochemically active compound, wherein the first layer or layers and the second layer or layers are joined to one another by one of the two methods V1 or V2: V1) Lamination of the first layer or layers with the second layer or layers under the action of heat or pressure or under the action of heat and pressure, or V2 Corona treatment of the first layer or layers, the second layer or layers or the first layer or layers and the second layer or layers and subsequent bringing together of the corona-treated first layer or layers with the corona-treated or untreated second layer or layers.

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