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Electrochemical systems configured to harvest heat energy

United States Patent

9,559,388
January 31, 2017
View the Complete Patent at the US Patent & Trademark Office
SLAC National Accelerator Laboratory - Visit the Technology Transfer Website
Electrochemical systems for harvesting heat energy, and associated electrochemical cells and methods, are generally described. The electrochemical cells can be configured, in certain cases, such that at least a portion of the regeneration of the first electrochemically active material is driven by a change in temperature of the electrochemical cell. The electrochemical cells can be configured to include a first electrochemically active material and a second electrochemically active material, and, in some cases, the absolute value of the difference between the first thermogalvanic coefficient of the first electrochemically active material and the second thermogalvanic coefficient of the second electrochemically active material is at least about 0.5 millivolts/Kelvin.
Lee; Seok Woo (Palo Alto, CA), Yang; Yuan (Cambridge, MA), Ghasemi; Hadi (Boston, MA), Chen; Gang (Carlisle, MA), Cui; Yi (Stanford, CA)
Massachusetts Institute of Technology (Cambridge, MA), The Board of Trustees of the Leland Staford Junior University (Stanford, CA)
14/ 308,669
June 18, 2014
STATEMENT OF GOVERNMENT SUPPORT This invention was made with government support under Contract Nos. DE-SC0001299, DE-FG02-09ER46577, DE-EE0005806, and DE-AC02-76SF00515 awarded by the U.S. Department of Energy and under Contract No. FA9550-11-1-0174 awarded by the Air Force Office of Scientific Research. The government has certain rights in the invention.