PVMaT improvements in the Solarex photovoltaic module manufacturing technology: Annual subcontract report: May 5, 1998 -- April 30, 1999

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This report describes work done by Solarex during the first year of this subcontract. The objective of this three-year PVMaT program is to continue the advancement of Solarex PV manufacturing technologies to design and implement a process that produces polycrystalline silicon PV modules that can be sold profitably for $2.00 per peak watt or less and that will increase the production capacity of the Frederick plant to at least 25 megawatts per year. Accomplishments during the first year of the program include: (1) Verification of the process to produce SiF{sub 4}, the precursor to silicon feedstock. (2) Design of a ... continued below

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Wohlgemuth, J. January 10, 2000.

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Description

This report describes work done by Solarex during the first year of this subcontract. The objective of this three-year PVMaT program is to continue the advancement of Solarex PV manufacturing technologies to design and implement a process that produces polycrystalline silicon PV modules that can be sold profitably for $2.00 per peak watt or less and that will increase the production capacity of the Frederick plant to at least 25 megawatts per year. Accomplishments during the first year of the program include: (1) Verification of the process to produce SiF{sub 4}, the precursor to silicon feedstock. (2) Design of a silicon feedstock pilot facility using the SiNaF process. (3) Development of and transfer to manufacturing of a process to use thinner wire in the wire saw. (4) Completion of a production trial with recycled SiC. (5) Laboratory development of a selective emitter process using rapid thermal processing. (6) Fabrication of high-efficiency polycrystalline cells using silicon nitride from three different sources. (7) Development of a new encapsulation formulation and laboratory demonstration of a 6-minute lamination cycle. (8) Implementation of an automated laminator. (9) Laboratory demonstration of automated handling of ceramics.

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  • Other Information: PBD: 10 Jan 2000

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  • Report No.: NREL/SR-520-27643
  • Grant Number: AC36-99GO10337
  • DOI: 10.2172/754639 | External Link
  • Office of Scientific & Technical Information Report Number: 754639
  • Archival Resource Key: ark:/67531/metadc701907

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  • January 10, 2000

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  • Sept. 12, 2015, 6:31 a.m.

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  • March 31, 2016, 4:05 p.m.

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Wohlgemuth, J. PVMaT improvements in the Solarex photovoltaic module manufacturing technology: Annual subcontract report: May 5, 1998 -- April 30, 1999, report, January 10, 2000; Golden, Colorado. (digital.library.unt.edu/ark:/67531/metadc701907/: accessed December 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.