Patent 9484564 was granted and assigned to AVL (engineering company) on November, 2016 by the United States Patent and Trademark Office.
An electric energy storage device for an electric vehicle, which storage device including at least one battery module having a plurality of especially flat and substantially plate-shaped battery cells which are electrically connected to one another and which are arranged next to one another or one above the other between at least two pressure plates in at least one stack. At least one battery cell and/or the battery module is surrounded by a plastic structure.