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

Patent ·
OSTI ID:1425955

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.

Research Organization:
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
EE0005320; SC0001299; FG02-09ER46577
Assignee:
Massachusetts Institute of Technology (Cambridge, MA)
Patent Number(s):
9,917,221
Application Number:
13/972,261
OSTI ID:
1425955
Resource Relation:
Patent File Date: 2013 Aug 21
Country of Publication:
United States
Language:
English

References (13)

Housing for Selenium Cells patent November 1933
Solar energy collection patent August 1975
Radiant energy collection patent December 1975
Thermophotovoltaic converter and cell for use therein patent November 1980
Thermoelectric generator with latent heat storage patent February 1981
Conversion of solar to electrical energy patent January 1982
Radiant energy concentration by optical total internal reflection patent July 1982
Concentrating photovoltaic solar collector patent June 1983
Thermophotovoltaic power source patent December 1983
Photovoltaic converter having apertured reflective enclosure patent October 1990
Light confining cavity with angular-spatial limitation of the escaping beam patent March 1994
Tubular skylight with improved dome patent August 1997
Concentrating photovoltaic cavity converters for extreme solar-to-electric conversion efficiencies patent February 2004

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