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Electrochemical cells and methods of manufacturing the same

United States Patent

July 26, 2016
View the Complete Patent at the US Patent & Trademark Office
Electrochemical cells and methods of making electrochemical cells are described herein. In some embodiments, an apparatus includes a multi-layer sheet for encasing an electrode material for an electrochemical cell. The multi-layer sheet including an outer layer, an intermediate layer that includes a conductive substrate, and an inner layer disposed on a portion of the conductive substrate. The intermediate layer is disposed between the outer layer and the inner layer. The inner layer defines an opening through which a conductive region of the intermediate layer is exposed such that the electrode material can be electrically connected to the conductive region. Thus, the intermediate layer can serve as a current collector for the electrochemical cell.
Bazzarella; Ricardo (Woburn, MA), Slocum; Alexander H. (Bow, NH), Doherty; Tristan (Somerville, MA), Cross, III; James C. (Carlisle, MA)
24M Technologies, Inc. (Cambridge, MA)
14/ 543,489
November 17, 2014
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with government support under Grant Number DE-AR0000102 awarded by the Department of Energy. The government has certain rights in the invention.