Production of upgraded metallurgical-grade silicon for a low-cost, high-efficiency, and reliable PV technology
José Manuel Míguez Novoa,
Volker Hoffmann,
Eduardo Forniés
et al.
Abstract:Upgraded metallurgical-grade silicon (UMG-Si) has the potential to reduce the cost of photovoltaic (PV) technology and improve its environmental profile. In this contribution, we summarize the extensive work made in the research and development of UMG technology for PV, which has led to the demonstration of UMG-Si as a competitive alternative to polysilicon for the production of high-efficiency multicrystalline solar cells and modules. The tailoring of the processing steps along the complete Ferrosolar’s UMG-S… Show more
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