Solar silicon via improved and expanded metallurgical silicon technology
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Solar silicon via improved and expanded metallurgical silicon technology

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Published by Energy Research and Development Administration, Division of Solar Energy, for sale by the National Technical Information Service in [Washington], Springfield, Va .
Written in English


  • Silicon,
  • Electric furnaces,
  • Solar batteries

Book details:

Edition Notes

Statementby L. P. Hunt, V. D. Dosaj, and J. R. McCormick ; Dow Corning Corporation, Solid-state Research and Development Laboratory
ContributionsDosaj, V D , jt. author, McCormick, J R , jt. author, United States. Energy Research and Development Administration. Division of Solar Energy, Dow Corning Corporation. Solid-State Research and Development Laboratory
The Physical Object
Paginationv. :
ID Numbers
Open LibraryOL14894870M

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@article{osti_, title = {Progress on the carbothermic production of solar-grade silicon using high-purity starting materials}, author = {Schultz, F.W. and Aulich, H.A. and Fenzi, H.J. and Hecht, M.D.}, abstractNote = {Solar-grade silicon was produced by carbothermic reduction (CR) in a 70 kW arc-furnace. Silicon suitable for solar cells with an efficiency > 10% was obtained . Energy Procedia 20 () 88 – 97 ' Published by Elsevier Ltd. Selection and/or peer-review under responsibility of the Centre for Renewable Energy. doi: / Technoport RERC Research Processes for upgrading metallurgical grade silicon to solar grade silicon Jafar Safarian a*, Gabriella Tranell a, Merete Cited by:   The non-renewable nature of fossil fuels as an energy source means its future availability is a cause for concern. The world’s energy demand is ever increasing and there is a growing interest in finding alternative renewable, environmentally benign and cheap energy sources like solar energy. This has resulted in the shortage of silicon feedstock for the Cited by: The book also defines purity requirements and purification processes of metallurgical grade silicon (MG-Si) and examines production of solar grade silicon by novel processes directly from MG-Si and/or by decomposition of silane gas in a fluidized bed reactor (FBR). Furthermore, the book:Author: Bruno Ceccaroli.

Silicor produces the industry’s lowest-cost solar silicon while delivering performance on par with silicon produced via the standard “Siemens” both the Siemens and Silicor processes begin with metallurgical-grade silicon (MG-Si) and end with purified silicon for solar cells and modules, it’s what happens in between that sets Silicor apart. Wafer Silicon-Based Solar Cells Lectures 10 and 11 –Oct. 13 & 18, MIT Fundamentals of Photovoltaics / Prof. Tonio BuonassisiFile Size: 2MB. Black metallurgical silicon for solar energy conversion Article in Semiconductor Science and Technology 31(1) January with Reads How we measure 'reads'. Through metal‐assisted chemical etching (MaCE), superior purification of dirty Si is observed, from to % for metallurgical Si and from to % for upgraded metallurgical addition, large area of silicon nanowires (SiNW) are fabricated.

Solar-Grade Silicon from Metallurgical-Grade Silicon Via Iodine Chemical Vapor Transport Purification Preprint May • NREL/CP T.F. Ciszek, T.H. Wang, M.R. Page, R.E. Bauer, and M.D. Landry To be presented at the 29th IEEE PV Specialists Conference New Orleans, Louisiana May , National Renewable Energy Laboratory. metallurgical silicon and dehydrated ethyl alcohol is used instead of trichlorsilane. catalyst Si + 3 C2H50H → SiH(OC2H5)3 + H2 It is noted, that purity degree of powdered metallurgical silicon has no such importance as in case of synthesis of trichlorsilane, thus less expensive silicon with purity 98% can be used. The. A plasma-retining technique is applied to upgraded metallurgical grade silicon (UMG) to produce solar grade silicon for multi-c silicon ingots at direct costs lower than 15€/kg. Our ProcessPV cells made with Silicor’s solar silicon regularly achieve in-line conversion efficiencies greater than 17 percent—at roughly half the production cost. Here’s an in-depth look at our process, and how we’re different than the status quo. our process. step 1. Metallurgical-grade silicon—with impurities such as boron and.