Thought for the month

“It is a general popular error to suppose the loudest complainers for the public to be the most anxious for its welfare.” Edmund Burke, politician (1729 – 97).

Tuesday, 15 May 2012

Cheaper PV chips?

Reducing the cost of solar-grade silicon is seen as important for increasing the worldwide use of photovoltaics and reducing our dependency on fossil fuels. A new process under development at the University of Cambridge has the potential to drive down the cost of manufacturing solar-grade silicon. Based on the electrochemical FFC process the group has devised a two stage method that uses calcium chloride in the reduction of sand to make high purity silicon. They believe that the process will drive down the cost of manufacturing solar-grade silicon from around the current $40–200/kg to a maximum of $8/kg,

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