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  • 1
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    Low-cost solar array project (1978)
    In:  Other Sources
    Details
    Publication Date: 2011-08-17
    Description: Technology development and technical feasibility are reviewed. Process and materials candidates to meet project goals were investigated. Integration of technical development with cost estimates is discussed.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: OAO Corp. Proc. of the US DOE Photovoltaics Technol. Develop. and Appl. Program Rev.; p 1-93 - 1-121
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    NASA TECHNICAL REPORTS
  • 2
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    Photovoltaics - Where are we going? (1984)
    In:  Other Sources
    Details
    Publication Date: 2011-08-18
    Description: The directions that will be followed for solar cell development, production and marketing are projected on the basis of experiences gained during the JPL's Flat-Plate Solar Array project. It is thought that a billion dollar market for Si ribbons can be established by 1990. Thin film technology will yield a product at $2 U.S./W at the end of the 1980s. R&D is growing more focused on central station photovoltaic generators, although the residential market may be the more suitable goal. The intermediate markets, e.g., schools, hospitals and shopping centers may be developed before the central stations.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: Solar Cells (ISSN 0379-6787); 12; 37-40
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    NASA TECHNICAL REPORTS
  • 3
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    Flat-plate solar array progress and plans (1982)
    In:  Other Sources
    Details
    Publication Date: 2011-08-18
    Description: The emphasis of the Flat-plate Solar Array Project has been shifted from price goals and commercial development toward longer-term, higher risk, higher-potential-payoff opportunities. The revised objectives, status, and plans of the project are presented and technical progress is noted in the areas of: large-area sheet formation; silicon feedstock refinement; flat-plate module process sequence development; and engineering and environmental testing.
    Keywords: ENERGY PRODUCTION AND CONVERSION
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    NASA TECHNICAL REPORTS
  • 4
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    FSAs future role (1982)
    In:  CASI
    Details
    Publication Date: 2016-06-07
    Description: The latest thinking about how the Flat-Plate Solar Array Project (FSA), will redirect activities away from recent product-oriented technology development efforts and toward longer-term research on technical problems that could limit future large-scale use of photovoltaics is addressed. With the emphasis on research, the Project is now organizing a series of workshops addressing the key basic technological questions by specific topic. Intervals between Project Integration Meetings are being extended because there are fewer contracts within ESA and because work under those contracts has been attenuated.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: Flat Plat Solar Array Proj.: Proc. of the 20th Proj. Integration Meeting; p 61-65
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 5
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    Overview - Flat-plate technology (1981)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: Progress and continuing plans for the joint NASA/DoE program at the JPL to develop the technologies and industrial processes necessary for mass production of low-cost solar arrays (LSA) which produce electricity from solar cells at a cost of less than $0.70/W are reviewed. Attention is given to plans for a demonstration Si refinement plant capable of yielding 1000 MT/yr, and to a CVD process with chlorosilane, which will yield material at a cost of $21/kg. Ingot and shaped-sheet technologies, using either Czochralski growth and film fed growth methods have yielded AM1 15% efficient cells in an automated process. Encapsulation procedures have been lowered to $14/sq m, and robotics have permitted assembled cell production at a rate of 10 sec/cell. Standards are being defined for module safety features. It is noted that construction of a pilot Si purification plant is essential to achieving the 1986 $0.70/W cost goals.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: Photovoltaic Specialists Conference; May 12, 1981 - May 15, 1981; Kissimmee, FL
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    NASA TECHNICAL REPORTS
  • 6
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    Low-cost solar array project progress and plans (1981)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: The considered project is part of the DOE Photovoltaic Technology and Market Development Program. This program is concerned with the development and the utilization of cost-competitive photovoltaic systems. The project has the objective to develop, by 1986, the national capability to manufacture low-cost, long-life photovoltaic arrays at production rates that will realize economies of scale, and at a price of less than $0.70/watt. The array performance objectives include an efficiency greater than 10% and an operating lifetime longer than 20 years. The objective of the silicon material task is to establish the practicality of processes for producing silicon suitable for terrestrial photovoltaic applications at a price of $14/kg. The large-area sheet task is concerned with the development of process technology for sheet formation. Low-cost encapsulation material systems are being developed in connection with the encapsulation task. Another project goal is related to the development of economical process sequences.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: In: Photovoltaic Solar Energy Conference; Oct 27, 1980 - Oct 31, 1980; Cannes; France
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    NASA TECHNICAL REPORTS
  • 7
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    Flat-plate solar array progress and plans (1984)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: The results of research into the technology of flat-plate solar arrays undertaken in the Flat-Plate Solar Array Project under the sponsorship of the U.S. Department of Energy are surveyed. Topics examined include Si refinement, ribbon-sheet substrate formation, module process sequences, environmental isolation, module engineering and testing, and photovoltaic-array economics.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: Photovoltaic Specialists Conference; May 01, 1984 - May 04, 1984; Kissimmee, FL
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    NASA TECHNICAL REPORTS
  • 8
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    Flat-plate solar array progress and plans (1984)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: The Flat-Plate Solar Array Project (FSA), sponsored by the U.S. Department of Energy (DOE) and managed by the Jet Propulsion Laboratory (JPL), has achieved progress in a broad range of technical activities since that reported at the Fourth European Communities Conference. A particularly important analysis has been completed recently which confirms the adoption into practice by the U.S. Photovoltaic (PV Industry, of all the low-cost module technology elements proposed at the 16th Project Integration Meeting for a $2.80/Wp (1980 U.S. Dollars) design approach in the fall of 1980. This work presents along with a projection, using the same techniques, for what is believed to be a very credible ribbon-based module design for less that $0.55/Wp (1980 U.S. Dollars). Other areas to be reported upon include low-cost Si feedstock refinement; ribbon growth; process sequence development for cells; environmental isolation; engineering science investigations; and module testing progress.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: Photovoltaic Solar Energy Conference; Oct 17, 1983 - Oct 21, 1983; Athens; Greece
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    NASA TECHNICAL REPORTS
  • 9
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    The economic payoff for a state-of-the-art high-efficiency flat-plate crystalline silicon solar cell technology (1987)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: In 1986 during the flat-plate solar array project, silicon solar cells 4.0 sq cm in area were fabricated at the Jet Propulsion Laboratory (JPL) with a conversion efficiency of 20.1 percent (AM1.5-global). Sixteen cells were processed with efficiencies measuring 19.5 percent (AM1.5 global) or better. These cells were produced using refined versions of conventional processing methods, aside from certain advanced techniques that bring about a significant reduction in a major mechanism (surface recombination) that limits cell efficiency. Wacker Siltronic p-type float-zone 0.18-ohm-cm wafers were used. Conversion efficiencies in this range have previously been reported by other researchers, but generally on much smaller (0.5 vs. 4.0 cm) devices which have undergone sophisticated and costly processing steps. An economic analysis is presented of the potential payoffs for this approach, using the Solar Array Manufacturing Industry Costing Standards (SAMICS) methodology. The process sequence used and the assumptions made for capturing the economies of scale are presented.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: IEEE Photovoltaic Specialists Conference; May 04, 1987 - May 08, 1987; New Orleans, LA; United States
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    NASA TECHNICAL REPORTS
  • 10
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    Low-cost solar array progress and plans (1982)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: It is pointed out that significant redirection has occurred in the U.S. Department of Energy (DOE) Photovoltaics Program, and thus in the Flat-Plate Solar Array Project (FSA), since the 3rd European Communities Conference. The Silicon Materials Task has now the objective to sponsor theoretical and experimental research on silicon material refinement technology suitable for photovoltaic flat-plate solar arrays. With respect to the hydrochlorination reaction, a process proof of concept was completed through definition of reaction kinetics, catalyst, and reaction characteristics. In connection with the dichlorosilane chemical vapor desposition process, a preliminary design was completed of an experimental process system development unit with a capacity of 100 to 200 MT/yr of Si.Attention is also given to the silicon-sheet formation research area, environmental isolation research, the cell and module formation task, the engineering sciences area, and the module performance and failure analysis area.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: Photovoltaic Solar Energy Conference; Proceedings of the Fourth International Conference; May 10, 1982 - May 14, 1982; Stresa; Italy
    Format: text
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    NASA TECHNICAL REPORTS
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