Improvements in the Performance of Solar Energy Piles Using Large-Diameter Silicon Material

摘要

In an effort to reduce the cost of solar energy piles (generator/cell), comparative analyses were undertaken to show that improvements in the production of large diameter silicon material depend on the selection of ingots according to: (1) the oxygenconcentration, for which a maximum level has been established; (2) the presence of lines of slip. In addition, a simplified process for the preparation of substrates was developed; studies were carried out on fully automatic surface treatment; the use of screen printing methods and materials to be applied to the system of contacts was investigated, and a process for welding connections was developed possessing a capacity of around 300 pieces/hour; automatic equipment was designed for the deposition of the anti-reflection bed.