SEPARATORS FOR ELECTROCHEMICAL CELLS CONTAINING POLYMER PARTICLES

The present invention relates to separators for electrochemical cells, comprising (A) at least one layer, containing (a) crosslinked polyvinylpyrrolidone in the form of particles, (b) at least one binder, and (c) possibly a base body, wherein the mass ratio of the crosslinked polyvinylpyrrolidone in...

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Bibliographische Detailangaben
Hauptverfasser:	HAUBER, GUNTER, GRONWALD, OLIVER, JANSSEN, NICOLE, ROTH, MICHAEL, BERG, MARGITTA, WEBER, CHRISTOPH J, GEIGER, SIGRID, LEITNER, KLAUS, FALUSI, SANDRA
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS CAPACITORS CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE ELECTRICITY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SEPARATION TRANSPORTING
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Beschreibung
Zusammenfassung:	The present invention relates to separators for electrochemical cells, comprising (A) at least one layer, containing (a) crosslinked polyvinylpyrrolidone in the form of particles, (b) at least one binder, and (c) possibly a base body, wherein the mass ratio of the crosslinked polyvinylpyrrolidone in the form of particles (a) to the sum of the mass of the binders (b) in the layer (A) has a value in the range of from 99.0:0.1 to 50:50. Furthermore, the present invention relates to the use of separators according to the invention and apparatuses, in particular electrochemical cells, containing separators according to the invention.