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Recent progress in the photovoltaic manufacturing technology project (PVMaT)

Description: The Photovoltaic Manufacturing Technology (PVMaT) Project was initiated in 1990 to help the US photovoltaic (PV) industry extend its world leadership role in manufacturing and commercially developing PV modules and systems. It is being conducted in several phases, staggered to support industry progress. The four most recently awarded subcontracts (Phase 2B) are now completing their first year of research. They include two subcontracts on CdTe, one on Spheral Solar[trademark] Cells, and one on c… more
Date: December 9, 1994
Creator: Witt, C. E.; Mitchell, R. L.; Thomas, H.; Herwig, L. O.; Ruby, D. & Sellers, R.
Partner: UNT Libraries Government Documents Department
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The Photovoltaic Manufacturing Technology Project: Phase 1 subcontractors

Description: The Phase I portion of the Photovoltaic Manufacturing Technology (PVMaT) Project, the problem identification phase, was completed in mid-1991. This work involved competitive bidding that was open to any US firm with existing manufacturing capabilities, regardless of material or module design. In early 1991, subcontracts were awarded to 22 of approximately 40 bidders. Each subcontract was funded at a level of up to $50,000 and a duration of three months. The problems identified by the research i… more
Date: July 1, 1992
Partner: UNT Libraries Government Documents Department
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PVMaT Advances in the Photovoltaic Industry and the Focus of Future PV Manufacturing R&D: Preprint

Description: This conference paper describes the DOE Photovoltaic Manufacturing Technology (PVMaT) Project which has conducted cost-shared manufacturing R&D with the photovoltaic industry for over 10 years. During this time, research has focused on the project's stated objectives of improving photovoltaic manufacturing processes and products, lowering manufacturing costs, and providing a foundation for the scale-up of U.S. photovoltaic (PV) manufacturing. Progress made by each of the U.S. PV industry partic… more
Date: May 1, 2002
Creator: Mitchell, R. L.; Witt, C. E.; King, R. & Ruby, D.
Partner: UNT Libraries Government Documents Department
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Overview of the Photovoltaic Manufacturing Technology (PVMaT) project

Description: The Photovoltaic Manufacturing Technology (PVMaT) project is a historic government/industry photovoltaic (PV) manufacturing R&D partnership composed of joint efforts between the federal government (through the US Department of Energy) and members of the US PV industry. The project`s ultimate goal is to ensure that the US industry retains and extends its world leadership role in the manufacture and commercial development of PV components and systems. PVMaT is designed to do this by helping the U… more
Date: August 1, 1993
Creator: Witt, C. E.; Mitchell, R. L. & Mooney, G. D.
Partner: UNT Libraries Government Documents Department
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U.S. Department of Energy photovoltaic energy program overview, fiscal year 1999

Description: This ``annual report'' details the FY 1999 achievements of the US Department of Energy PV Program in the categories of Research and Development, Technology Development, and Systems Engineering and Applications. Highlights include development of a record-breaking concentrator solar cell that is 32.3% efficient; fabrication of a record CIGS (copper indium gallium diselenide) cell at 18.8% efficiency; sharing an R and D 100 award with Siemens Solar Industries and the California Energy Commission f… more
Date: February 28, 2000
Creator: Weis-Taylor, P. & Moon, S.
Partner: UNT Libraries Government Documents Department
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Current status and future prospects for the PVMaT project

Description: The goals of the Photovoltaic Manufacturing Technology project (PVMaT) are to help the US PV industry improve photovoltaic manufacturing processes and equipment; accelerate manufacturing cost reductions for PV modules, balance-of-systems components, and integrated systems; increase commercial product performance and reliability; and enhance the investment opportunities for substantial scale-ups of US-based PV manufacturing plant capacities. PVMaT is in its ninth year of implementation, and subc… more
Date: February 9, 2000
Creator: Witt, C. E.; Mitchell, R. L.; Symko-Davies, M.; Thomas, H. P.; King, R. & Ruby, D. S.
Partner: UNT Libraries Government Documents Department
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Decade of PV Industry R and D Advances in Silicon Module Manufacturing

Description: The US Photovoltaic (PV) industry has made significant technical advances in crystalline silicon (Si) module manufacturing through the PV Manufacturing R and D Project during the past decade. Funded Si technologies in this project have been Czochralski, cast polycrystalline, edge-defined film-fed growth (EFG) ribbon, string ribbon, and Si-film. Specific R and D Si module-manufacturing categories that have shown technical growth and will be discussed are in crystal growth and processing, waferin… more
Date: January 18, 2001
Creator: Symko-Davis, M.; Mitchell, R. L.; Witt, C. E.; Thomas, H. P.; King, R. & Ruby, D. S.
Partner: UNT Libraries Government Documents Department
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Ten Years of Manufacturing R and D in PVMaT -- Technical Accomplishments, Return on Investments, and Where We Go Next

Description: The Photovoltaic Manufacturing Technology Project has been conducting cost-shared R and D with industry for ten years. Objectives of this project are to improve photovoltaic manufacturing processes and products and to lower manufacturing costs. The majority of the efforts have been module related. Results in terms of automation, yield, and throughput have provided a significant reduction in direct manufacturing costs. Some of these results are detailed, and a measure of the return due to these … more
Date: January 15, 2001
Creator: Witt, C.E.; Mitchell, R.L.; Symko-Davies, M.; Thomas, H.P. (National Renewable Energy Laboratory); King, R. (U.S. Department of Energy) & Ruby, D.S. (Sandia National Laboratories)
Partner: UNT Libraries Government Documents Department
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PVMaT improvements in the manufacturing of the PVI Powergrid{trademark}: Final technical report, 27 October 1997--31 October 1998

Description: Photovoltaics International, LLC (PVI), is improving the manufacturing of the Powergrid{trademark} under the Photovoltaic Manufacturing Technology (PVMaT) program in five basic areas: development of an advanced, state-of-the-art lens extrusion system; development of an advanced, state-of-the-art module side extrusion system; development of a second generation automated receiver assembly station; development of low-cost roll-formed steel panel frame members; and development of an automated modul… more
Date: October 20, 1999
Creator: Kaminar, N. R.; Alexander, T.; Amaya, J.; Bottenberg, W. R.; Carrie, P.; Chen, K. et al.
Partner: UNT Libraries Government Documents Department
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PVMaT improvements in the manufacturing of the PVI Powergrid{trademark}: Phase I annual technical report, 26 October 1995--25 October 1996

Description: The PVI Powergrid is a linear focus concentrator which uses low-cost components and manufacturing techniques that are intended to reduce the price of a photovoltaic system to a level required for broad level deployment of PV. The Powergrid uses a linear-focus Fresnel lens made by a plastic extrusion process, the lowest cost method of manufacturing. The plastic module sides are also extruded. The Powergrid uses solar cells manufactured using the low-cost methods used for one-sun cells. Twelve mo… more
Date: May 1997
Creator: Kaminar, N.; Curchod, D.; Hobden, P. & others], and
Partner: UNT Libraries Government Documents Department
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Next-generation three-phase inverters. Phase one annual report, 1996

Description: The PV-MaT 4A subcontract addresses the cost effective manufacture of PV related end-products. Advanced Energy Systems Inc. (AES Inc.) has undertaken NREL contract No. ZAF-4-14271-10, {open_quotes}Next Generation Three Phase Inverter{close_quotes}, to combine leading industry skill with state-of-the-art technologies to realize cutting-edge PV inverter related products. To this end, in phase one of the PV-MaT contract, AES Inc. has made significant inroads toward establishing low cost manufactur… more
Date: July 1997
Creator: Wesley, A. & Wills, R.
Partner: UNT Libraries Government Documents Department
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NREL Photovoltaic Program FY 1996 Annual Report

Description: This report summarizes the in-house and subcontract research and development (R&D) activities under the National Renewable Energy Laboratory (NREL) Photovoltaics (PV) Program from October 1, 1995 through September 30, 1996 (fiscal year [FY] 1996). The NREL PV Program is part of the U.S. Department of Energy's (DOE) National Photovoltaics Program, as described in the DOE Photovoltaics Program Plan, FY 1991 - FY 1995. The mission of the DOE National Photovoltaics Program is to: "Work in partnersh… more
Date: August 1, 1997
Partner: UNT Libraries Government Documents Department
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Photovoltaic manufacturing cost and throughput improvements for thin-film CIGS-based modules: Phase 1 technical report, July 1998--July 1999

Description: The primary objectives of the Global Solar Energy (GSE) Photovoltaic Manufacturing Technology (PVMaT) subcontract are directed toward reducing cost and expanding the production rate of thin-film CuInGaSe{sub 2} (CIGS)-based PV modules on flexible substrates. Improvements will be implemented in monolithic integration, CIGS deposition, contact deposition, and in-situ CIGS control and monitoring. In Phase 1, GSE has successfully attacked many of the highest risk aspects of each task. All-laser, se… more
Date: March 2000
Creator: Wiedeman, S. & Wendt, R.G.
Partner: UNT Libraries Government Documents Department
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Specific PVMaT R and D in CdTe product manufacturing: Phase 1 annual report, 5 May 1998--4 May 1999

Description: This report documents the work performed by First Solar, LLC, during the first year of this Photovoltaic Manufacturing Technology (PVMaT) subcontract. The following milestones were successfully completed: (1) Initiate lamination development program by interviewing key suppliers and experts such as STR, Inc., ARRI, and automotive glass manufacturers; (2) Complete process specification for high-throughput laminator; (3) Initiate contact with module testing laboratory and complete preliminary modu… more
Date: March 2000
Creator: Bohland, J.; Kormanyos, K.; Faykosh, G.; Champion, V.; Cox, S.; McCarthur, M. et al.
Partner: UNT Libraries Government Documents Department
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Specific PVMaT R&D on Siemens Cz Silicon Product Manufacturing: Final Subcontract Report, June 1998 - September 2001

Description: This report describes work to improve the cost per watt of Cz modules and to improve PV module manufacturing technology. The focus of the three-year program was to implement a 17%-efficient, 195-micron-thick cell with a 30% reduction in manufacturing cost. In addition, the program developed a prototype, 200-mm-diameter cell with low-cost module packaging. A final result is also a 50% reduction in slurry use through recycling of silicon carbide, and a 70% reduction in caustic waste. Work focused… more
Date: February 2002
Creator: Jester, T. L.
Partner: UNT Libraries Government Documents Department
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PVMaT Improvements in the BP Solar Photovoltaic Module Manufacturing Technology: Final Subcontract Report, 4 May 1998 - 30 November 2001

Description: This report describes the advancement of BP Solar PV manufacturing technologies in order 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 increases the production capacity of the Frederick plant to at least 25 megawatts per year. Achieving these major objectives was based on meeting the following specific task goals: (1) Develop a process to produce silicon feedstock from Na2SiF6 that can be s… more
Date: April 2002
Creator: Wohlgemuth, J. & Shea, S.
Partner: UNT Libraries Government Documents Department
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Photovoltaic Manufacturing Cost and Throughput Improvements for Thin Film CIGS-Based Modules: Final Technical Report, July 1998 -- September 2001

Description: This report describes the marked improvements made of the production line under the PVMaT program: successfully developed a high-speed, all-laser, monolithic integration process for CIGS-based modules on polyimide substrates; exceeded PVMaT goals for scribing rate and total interconnect width; developed robust, well-controlled techniques for selective scribing; improved CIGS evaporation sources to allow uniform, controllable delivery; completed foundation required to integrate higher CIGS depos… more
Date: April 2002
Creator: Britt, J.
Partner: UNT Libraries Government Documents Department
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PVMaT improvements in the Solarex photovoltaic module manufacturing technology: Annual subcontract report: May 5, 1998 -- April 30, 1999

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 p… more
Date: January 10, 2000
Creator: Wohlgemuth, J.
Partner: UNT Libraries Government Documents Department
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Development of a Modular,Bi-Directional Power Inverter for Photovoltaic Applications; Final Report August 1995 - March 1998

Description: This research and development contract has resulted in several benefits for Trace Engineering and the PV industry that are directly attributable to the PVMaT program: Application of the hardware based protection circuit developed in Phase I was completed on Trace's existing DR and SW series product lines. This additional protection circuit was phased into full production starting in April of 1997. This resulted in a substantial improvement in factory yields and a very significant reduction of f… more
Date: July 16, 1999
Creator: Freitas, C.
Partner: UNT Libraries Government Documents Department
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Cost reduction and manufacture of the SunSine{reg_sign} AC module: Phase I Annual Report : 21 April 1998 -- 31 October 1999

Description: This report summarizes the progress made by Ascension Technology in Phase 1 of the cost reduction and manufacturing improvements of the SunSine{reg_sign} AC Module. This work, conducted under NREL subcontract, is a two-phase effort consisting of investigations into improving inverter packaging, soft switching, circuit optimization, design for manufacturing, manufacturing processes, and pilot production manufacturing. The objective of this subcontract is to significantly reduce the cost of the S… more
Date: March 6, 2000
Creator: Kern, E. & Kern, G.
Partner: UNT Libraries Government Documents Department
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Specific PVMaT R&D on Siemens Cz silicon product manufacturing: Annual Subcontract Report, June 1998 -- June 1999

Description: This report describes work done by Siemens Solar Industries (SSI) from June 1998 to June 1999 during Phase 1 of a three-phase Photovoltaic Manufacturing Technology (PVMaT 5A2) subcontract from DOE/NREL. The work focuses on improvements in the cost per watt of Cz modules and improved PV module manufacturing technology. The first step toward reducing cost was to reduce wafer thickness. The approach has been a two-step reduction in thickness, from 385 microns to 250 micron cells, and then from 250… more
Date: April 24, 2000
Creator: Jester, T. L.
Partner: UNT Libraries Government Documents Department
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Development of a fully-integrated PV system for residential applications: Phase I annual technical report: February 27, 1998 -- August 31, 1999

Description: This report describes Utility Power Group's (UPG's) technical progress for Phase 1 of a two-phase effort to focus on the design, assembly, and testing of a fully-integrated residential PV power system, including storage. In the PV Array Task, UPG significantly improved the conventional means and methods required to structurally interface PV modules to the roofs of single-family residential houses and to electrically interconnect these PV modules to a power conversion unit. UPG focused on the de… more
Date: March 6, 2000
Creator: West, R.; Mackamul, K. & Duran, G.
Partner: UNT Libraries Government Documents Department
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U.S. Department of Energy photovoltaic energy program contract summary, fiscal year 1999

Description: This report summarizes the in-house and subcontracted research and development (R and D) activities under the National Center for Photovoltaics (NCPV) and US Department of Energy (DOE) National Photovoltaics Program from October 1, 1998, through September 30, 1999 (FY 1999). The mission of the DOE National Photovoltaics Program is to make PV a significant part of the domestic economy as an industry and an energy resource. The two primary goals of the national program are to (1) maintain the US … more
Date: February 17, 2000
Creator: Surek, T. & Hansen, A.
Partner: UNT Libraries Government Documents Department
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