Global Patent Index - EP 1029382 A1

EP 1029382 A1 2000-08-23 - COMPOSITE SUITABLE FOR USE IN ELECTROCHEMICAL CELLS

Title (en)

COMPOSITE SUITABLE FOR USE IN ELECTROCHEMICAL CELLS

Title (de)

GEEIGNETER KOMPOSIT ZUR VERWENDUNG IN ELEKTROCHEMISCHEN ZELLEN

Title (fr)

COMPOSITE ADAPTE A L'UTILISATION DANS DES CELLULES ELECTROCHIMIQUES

Publication

EP 1029382 A1 (EN)

Application

EP 98955417 A

Priority

  • DE 19744660 A
  • EP 9806394 W

Abstract (en)

[origin: WO9919917A2] 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.

IPC 1-7 (main, further and additional classification)

H01M 10/40

IPC 8 full level (invention and additional information)

H01G 9/155 (2006.01); C09K 9/02 (2006.01); H01B 5/14 (2006.01); H01G 9/02 (2006.01); H01G 9/04 (2006.01); H01M 2/16 (2006.01); H01M 4/13 (2010.01); H01M 10/0525 (2010.01); H01M 10/0565 (2010.01); H01M 10/0569 (2010.01); H01M 10/36 (2010.01); H01M 4/48 (2010.01); H01M 4/485 (2010.01); H01M 4/62 (2006.01); H01M 6/18 (2006.01); H01M 6/40 (2006.01)

CPC (invention and additional information)

H01M 4/13 (2013.01); C09K 9/02 (2013.01); H01G 9/02 (2013.01); H01G 9/04 (2013.01); H01M 2/164 (2013.01); H01M 4/622 (2013.01); H01M 10/0525 (2013.01); H01M 10/0565 (2013.01); H01M 10/0569 (2013.01); H01M 2/1673 (2013.01); H01M 4/0435 (2013.01); H01M 4/485 (2013.01); H01M 4/62 (2013.01); H01M 6/188 (2013.01); H01M 6/40 (2013.01); H01M 2300/0085 (2013.01)

Designated contracting state (EPC)

DE ES FR GB IT

EPO simple patent family

WO 9919917 A2 19990422; WO 9919917 A3 19990624; AU 1226699 A 19990503; CA 2305218 A1 19990422; EP 1029382 A1 20000823; JP 2001520439 A 20011030

INPADOC legal status


2006-01-11 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20050621

2002-09-18 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20020806

2001-08-08 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: BASF AKTIENGESELLSCHAFT

2000-08-23 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000410

2000-08-23 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE ES FR GB IT