Evonik Degussa Gmbh

Uwe Paulmann

Volker Hennige

Edwin Nun

Andreas Gutsch

Sven Augustin

Marie-Theres Wilkes

Klaus Hedrich

Hannelore Armoneit

Sigrid Banken

Norbert Kern

Thomas Schrief

Eckart Berendes

Christian Herkt-Bruns

Guenter Eichinger

Andreas Fuchs

The invention relates to a battery pack () for electric vehicles or vehicles with an electric hybrid drive. The battery pack () according to the invention comprises a battery housing () and battery cells, which are arranged within the battery housing (), are self-contained and are electrically connected to one another in order to achieve a desired terminal voltage. A plurality of battery cells are in each case arranged at a distance from one another in a fastening frame () and in each case form cell modules (). The cell modules () are in each case arranged on fastening elements, which pass through the battery housing (), the fastening elements, being in the form of spacers between the cell modules () and, with the battery housing (), forming a bearing unit.

Battery pack

The present invention relates to a sealed natural cut stone, the pores of which are permeable to water vapor but are impermeable to aqueous liquids, and a method for the production thereof and the use of such natural cut stones.

Method for sealing natural stones

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Luedinghausen, Germany

Uwe Paulmann