A method of preparing crystalline silicon solar cell of high performance slurry BSF

A method for preparation of high performance crystalline silicon solar cell back surface field slurry invention belongs to the technical field of solar cell back surface field paste; method for making high performance crystalline silicon solar cell back surface field aluminum paste, the aluminum paste is not lead, over the net performance, small warpage after sintering silicon, aluminum afford aluminum beads, aluminum clad, compactness and good conductivity, high adhesion to aluminum sheet with the battery, high conversion efficiency solar cells, while aluminum good film stability; follow the following steps: preparing an organic vehicle to prepare a mixed aluminum powder, metal oxides prepared, selected aluminum-silicon alloy powder, aluminum paste prepared finalization of; the present invention is mainly applied in the field of solar cell back slurry aspect.