SEPARATOR WITH INCREASED PUNCTURE RESISTANCE

A separator with a main part which is made of nonwoven material, and is provided with a coating. The coating contains filler particles, cellulose, and flexible organic binder particles. The filler particles and flexible organic binder particles are connected to each other by the cellulose. Such a se...

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Bibliographische Detailangaben
Hauptverfasser:	VILLING-FALUSI, Sandra, KASAI, Maxim, GEIGER, Sigrid, WASCHINSKI, Christian, BERG, Margitta, HIRN, Klaus, WEBER, Christoph, ROTH, Michael
Format:	Patent
Sprache:	eng ; hun
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	A separator with a main part which is made of nonwoven material, and is provided with a coating. The coating contains filler particles, cellulose, and flexible organic binder particles. The filler particles and flexible organic binder particles are connected to each other by the cellulose. Such a separator exhibits high permeability with increased mechanical stability. The cellulose of the separator contains cellulose derivatives that have a chain length of at least 100 repeating units, preferably a chain length of at least 200 repeating units.