Abstract
The so-called French « Polyx process » based on moulded multicrystalline silicon ingots is one of the most promising photovoltaic technologies due to its present industrial state and its possible improvements related to costs and conversion efficiency. Multicrystalline ingot processing from polycrystalline feedstock silicon, wafers, cells and module processing are described. Respective roles of basic research at Laboratoires de Marcoussis of CGE and of industrial R & D at Photowatt are analysed. An estimate of costs and prices is given for modules, systems and energy produced both for present and for future state of development of this technology. A description and an analysis of photovoltaic markets well suited to this technology are given, including technology transfer.
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