1results about How to "Lower average reflectance" patented technology

The utility model relates to photovoltaic cell technical field, especially a kind of high-efficiency BC photovoltaic cell of multilayer passivation structure, comprising: outer AlOx layer, composite passivation layer and cell panel, the front of the cell panel is deposited with composite passivation layer, composite passivation layer front is deposited with outer AlOx layer, outer AlOx layer is matched with composite passivation layer, and the average reflectivity of light with wavelength in 300-1200nm range is reduced by 3-5%.