Featured in Contactless prowess – 06-2011

Completely rounded

Polysilicon: The conversion of the gas trichlorosilane to high-purity polycrystalline silicon is a complex process. With sophisticated automation technology, not only can the process be reliably operated, but the quality of the end product can also be improved. Ute Forstner, Peter Holzapfel and Rainer Mahler from Siemens AG elaborate.

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pv magazine

31 May 2011

A whole series of manufacturing processes are required before solar cells can convert sunlight into electrical power. Above all, the extraction of high-purity polysilicon is anything but simple and presents the plant builder and operator with considerable challenges. As well as the aggressive environmental conditions, requirements such as explosion protection and the protection of employees …

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