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Solar power conversion system with directionally- and spectrally-selective properties based on a reflective cavity

United States Patent

March 13, 2018
View the Complete Patent at the US Patent & Trademark Office
Solar power conversion system. The system includes a cavity formed within an enclosure having highly specularly reflecting in the IR spectrum inside walls, the enclosure having an opening to receive solar radiation. An absorber is positioned within the cavity for receiving the solar radiation resulting in heating of the absorber structure. In a preferred embodiment, the system further contains an energy conversion and storage devices thermally-linked to the absorber by heat conduction, convection, far-field or near-field thermal radiation.
Boriskina; Svetlana (Winchester, MA), Kraemer; Daniel (Providence, RI), McEnaney; Kenneth (Cambridge, MA), Weinstein; Lee A. (Cambridge, MA), Chen; Gang (Carlisle, MA)
Massachusetts Institute of Technology (Cambridge, MA)
13/ 972,261
August 21, 2013
This invention was made with government support under Grant Nos. DE-EE0005320, DE-SC0001299 and DE-FG02-09ER46577 awarded by the Department of Energy. The government has certain rights in this invention.