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United States Patent Application

View the Complete Application at the US Patent & Trademark Office
Redox flow devices are described in which at least one of the positive electrode or negative electrode-active materials is a semi-solid or is a condensed ion-storing electroactive material, and in which at least one of the electrode-active materials is transported to and from an assembly at which the electrochemical reaction occurs, producing electrical energy. The electronic conductivity of the semi-solid is increased by the addition of conductive particle to suspensions and the surface modification of the solid in semi-solids: coating the solid with a more electron conductive coating material to increase the power of the device. High energy density and high power redox flow devices are disclosed.
Chiang, Yet-Ming (Framingham, MA), Carter, W. Craig (Jamaica Plain, MA), Ho, Bryan H. (Cambridge, MA), Duduta, Mihai (Cambridge, MA)
Massachusetts Institute of Technology (Cambridge MA), A123 Systems (Watertown MA)
12/ 484,113
June 12, 2009
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0002] This invention was made with government support under Grant Number DE-FC26-05NT42403 awarded by the Department of Energy. The government has certain rights in this invention.