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Battery structures, self-organizing structures and related methods

United States Patent

8,206,469
June 26, 2012
View the Complete Patent at the US Patent & Trademark Office
An energy storage device includes a first electrode comprising a first material and a second electrode comprising a second material, at least a portion of the first and second materials forming an interpenetrating network when dispersed in an electrolyte, the electrolyte, the first material and the second material are selected so that the first and second materials exert a repelling force on each other when combined. An electrochemical device, includes a first electrode in electrical communication with a first current collector; a second electrode in electrical communication with a second current collector; and an ionically conductive medium in ionic contact with said first and second electrodes, wherein at least a portion of the first and second electrodes form an interpenetrating network and wherein at least one of the first and second electrodes comprises an electrode structure providing two or more pathways to its current collector.
Chiang; Yet-Ming (Framingham, MA), Moorehead; William D. (Virginia Beach, VA), Gozdz; Antoni S. (Marlborough, MA), Holman; Richard K. (Belmont, MA), Loxley; Andrew L. (Roslindale, MA), Riley, Jr.; Gilbert N. (Marlborough, MA), Viola; Michael S. (Burlington, MA)
A123 Systems, Inc. (Waltham, MA), Massachusetts Institute of Technology (Cambridge, MA)
13/ 169,423
June 27, 2011
GOVERNMENT RIGHTS IN THE INVENTION This invention was made with government support under Grant Number DE-FG02-87ER45307 awarded by the Department of Energy. The government has certain rights in the invention.