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Solid-state energy storage module employing integrated interconnect board

United States Patent

November 4, 2003
View the Complete Patent at the US Patent & Trademark Office
The present invention is directed to an improved electrochemical energy storage device. The electrochemical energy storage device includes a number of solid-state, thin-film electrochemical cells which are selectively interconnected in series or parallel through use of an integrated interconnect board. The interconnect board is typically disposed within a sealed housing which also houses the electrochemical cells, and includes a first contact and a second contact respectively coupled to first and second power terminals of the energy storage device. The interconnect board advantageously provides for selective series or parallel connectivity with the electrochemical cells, irrespective of electrochemical cell position within the housing. Fuses and various electrical and electromechanical devices, such as bypass, equalization, and communication devices for example, may also be mounted to the interconnect board and selectively connected to the electrochemical cells.
Rouillard; Jean (Saint-Luc, CA), Comte; Christophe (Montreal, CA), Daigle; Dominik (St-Hyacinthe, CA), Hagen; Ronald A. (Stillwater, MN), Knudson; Orlin B. (Vadnais Heights, MN), Morin; Andre (Longueuil, CA), Ranger; Michel (Lachine, CA), Ross; Guy (Beloeil, CA), Rouillard; Roger (Beloeil, CA), St-Germain; Philippe (Outremont, CA), Sudano; Anthony (Laval, CA), Turgeon; Thomas A. (Fridley, MN)
3M Innovative Properties Company (St. Paul, MN), Hydro-Quebec Corporation (Montreal, CA)
09/ 665,810
September 20, 2000
GOVERNMENT LICENSE RIGHTS The Government of the United States of America has rights in this invention pursuant to Cooperative Agreement No. DE-FC02-91CE50336 awarded by the U.S. Department of Energy.