▎ 摘　　要

NOVELTY - The utility model claims a carrier plate structure for preparing single crystal silicon heterojunction solar battery, comprising a carrier plate main body, the carrier plate main body is a flat panel, the flat panel is provided with several hollow grooves for bearing the substrate, the hollow groove is provided with a graphite frame for bearing the substrate, the positive and negative surfaces of the carrier plate main body are provided with grooves with the same specification arranged in array, each groove is provided with a sub frame; the front surface and the back surface of the graphite frame are provided with a coating structure, the coating structure is symmetrically arranged, the positive and negative surfaces of the graphite frame are provided with a graphene layer, the outer surface of the graphene layer is provided with a layer of indium tin oxide layer, the outer surface of the indium tin oxide layer is provided with a layer of silicon carbide coating. The utility model avoids the pollution of the carbon fibre powder to the semi-finished battery sheet, reduces the TCO film square resistance and improves the stability of the plating film, less pollution of the battery sheet, improves the yield, and improves the efficiency of the battery sheet.