Vitrulan Textile Glass Gmbh

Eckart Gmbh

Varta Microbattery Gmbh

Ulrich Schadeck

Thorsten Gerdes

Heiko Zettl

Monika Willert-Porada

Manuela Schmid

Ali Saberi

The present invention relates to a battery separator containing a composite that in turn contains the following components: (A) 5 to 95 wt.-% of at least one carrier material that consists of glass fibers, the carrier material being selected from the group comprising nonwovens, laid scrims, knitted fabrics, woven fabrics and/or mixtures thereof; (B) 5 to 95 wt.-% of at least one glass platelet having an average thickness of 0.05 &#x3bc;m to 30 &#x3bc;m; and (C) 0 to 95 wt.-% of at least one binder; the components (A), (B) and (C) adding up to 100 wt.-% and the battery separator having a porosity in the range of 10 to 70% and a total thickness of 0.01 mm to 0.5 mm. The present invention further relates to methods for producing the battery separator and to the use thereof in a battery.

Glass-based battery separator

Growing community of inventors

Weiden, Germany

Ulrich Schadeck