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  • 1
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    A Space Testbed for Photovoltaics (1998)
    In:  CASI
    Details
    Publication Date: 2004-12-03
    Description: The Ohio Aerospace Institute and the NASA Lewis Research Center are designing and building a solar-cell calibration facility, the Photovoltaic Engineering Testbed (PET) to fly on the International Space Station to test advanced solar cell types in the space environment. A wide variety of advanced solar cell types have become available in the last decade. Some of these solar cells offer more than twice the power per unit area of the silicon cells used for the space station power system. They also offer the possibilities of lower cost, lighter weight, and longer lifetime. The purpose of the PET facility is to reduce the cost of validating new technologies and bringing them to spaceflight readiness. The facility will be used for three primary functions: calibration, measurement, and qualification. It is scheduled to be launched in June of 2002.
    Keywords: Energy Production and Conversion
    Type: Proceedings of the Seventh International Space University Alumni Conference; 49-51; NASA/CP-1999-209199
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Recent Advances in Solar Cell Technology (1996)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: The advances in solar cell efficiency, radiation tolerance, and cost over the last decade are reviewed. Potential performance of thin-film solar cells in space are discussed, and the cost and the historical trends in production capability of the photovoltaics industry are considered with respect to the requirements of space power systems. Concentrator cells with conversion efficiency over 30%, and nonconcentrating solar cells with efficiency over 25% are now available, and advanced radiation-tolerant cells and lightweight, thin-film arrays are both being developed. Nonsolar applications of solar cells, including thermophotovoltaics, alpha- and betavoltaics, and laser power receivers, are also discussed.
    Keywords: Energy Production and Conversion
    Type: NASA-TM-112758 , NAS 1.15:112758 , AIAA Paper 95-0027 , Aerospace Sciences; Jan 09, 1995 - Jan 12, 1995; Reno, NV; United States|Journal of Propulsion and Power; 12; 5; 835-841
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 3
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    Photovoltaic Power for Mars Exploration (1997)
    In:  Other Sources
    Details
    Publication Date: 2019-07-17
    Description: Mars is a challenging environment for the use of solar power. The implications of the low temperatures and low light intensity, solar spectrum modified by dust and changing with time of day and year, indirect sunlight, dust storms, deposited dust, wind, and corrosive peroxide-rich soil are discussed with respect to potential photovoltaic power systems. The power systems addressed include a solar-powered rover vehicle and a human base. High transportation costs dictate high efficiency solar cells or alternatively, a 'thin film' solar cell deposited on a lightweight plastic or thin metal foil.
    Keywords: Energy Production and Conversion
    Type: The Sixth Alumni Conference of the International Space University; 69; NASA-CP-3355
    Format: text
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    NASA TECHNICAL REPORTS
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