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Cutting costs in silicon production

Date:
April 15, 2010
Source:
The Research Council of Norway
Summary:
A producer of solar-grade silicon, has combined basic and applied research to develop production methods that cut costs and consume less energy than conventional silicon production.

Ragnar Tronstad, R&D Director of Elkem Solar.
Credit: Sverre Jarild

Elkem Solar, a Norwegian producer of solar-grade silicon, has combined basic and applied research to develop production methods that cut costs and consume less energy than conventional silicon production.

The Kristiansand-based company has now accomplished its three primary objectives. Silicon production costs have been significantly reduced compared to conventional production. Energy consumption has been cut dramatically. All the while, its efficient methods preserve the power output of silicon-based solar cells manufactured at its facilities, compared to silicon solar cells produced by traditional means.

Traditional production of silicon involves first gasifying the raw material, a costly and energy-intensive method. Elkem's method is based on traditional metallurgy; the raw material is melted and then undergoes several processing stages to prepare 10-kg silicon blocks for sale to solar cell producers. This method makes production more cost-effective and energy-efficient and is suitable for large-quantity production.

"The market potential is vast, but the financial crisis has led to major reductions in the market price for our product," says Dr Tronstad. "To be competitive it's essential to drive production costs down."


Story Source:

The above story is based on materials provided by The Research Council of Norway. Note: Materials may be edited for content and length.


Cite This Page:

The Research Council of Norway. "Cutting costs in silicon production." ScienceDaily. ScienceDaily, 15 April 2010. <www.sciencedaily.com/releases/2010/04/100415085313.htm>.
The Research Council of Norway. (2010, April 15). Cutting costs in silicon production. ScienceDaily. Retrieved October 21, 2014 from www.sciencedaily.com/releases/2010/04/100415085313.htm
The Research Council of Norway. "Cutting costs in silicon production." ScienceDaily. www.sciencedaily.com/releases/2010/04/100415085313.htm (accessed October 21, 2014).

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