Patent 7785741 was granted and assigned to Medtronic on August, 2010 by the United States Patent and Trademark Office.
An electrochemical cell, comprising: a first electrode structure formed from a sheet of electrode material folded along a plurality of spaced apart intervals to form a U-fold structure having a plurality of spaced apart double-layer sections; and a second electrode structure spaced apart from and operatively disposed between the plurality of spaced-apart double layer sections of the first electrode structure.