... Silicon Solar Cells with tab wire for DIY Solar Module Electrical Property 1, Solar Cells Structure2 ... anti-reflecting coating (Silicon nitride)Back (+)3mm wide soldering pads (Silver)Back surface field (aluminum).3, ... with the extended 5-inch format are 10% more powerful than polycrystalline solar cells. ... film, solar tpt backsheet, solar alloy frame, solar tempered glass, solar inverter, solar controller ...