1results about How to "Guaranteed passivation effect" patented technology

The present disclosure relates to the technical field of solar cell, and particularly relates to a rounded reagent and a photovoltaic cell and a preparation method thereof. A textured pyramid structure is arranged on a poly removal area of the photovoltaic cell, and the top angle of the top of the pyramid and the bottom angle of the bottom of the pyramid are both rounded. The photovoltaic cell has excellent passivation performance and a double-sided rate simultaneously.