Novel photovoltaic module and manufacturing method thereof

Abstract

The invention provides a novel photovoltaic module and a manufacturing method of the novel photovoltaic module. The novel photovoltaic module comprises a laminated structure formed by tempered glass, EVA adhesive film, a plurality of columns of solar cell strings connected together, EVA adhesive film and a back plate in sequence from top to bottom, wherein a plurality of N-type solar cells and a plurality of P-type solar cells are welded through solder strips to form the solar cell strings, and the N-type solar cells and the P-type solar cells are arranged in an alternate mode. Due to the facts that the N-type solar cells and the P-type solar cells are arranged in the alternate mode, the solar cells can be directly connected through the solder strips in the process of series connection of the solar cells, the generated output in the unit area can be effectively increased, and consumption of the solder strips and frames can be reduced.

Description

technical field [0001] The invention relates to the field of photovoltaic technology, in particular to a novel photovoltaic module and a manufacturing method thereof. Background technique [0002] Solar cells are mainly divided into P-type cells and N-type cells; among them, P-type cells use P-type silicon materials as substrates to diffuse phosphorus sources to form PN junctions; while N-type cells use N-type materials as substrates to diffuse boron sources to form PN junctions . According to the principle of solar power generation, it can be known that the positive poles of the light-receiving surfaces of the P-type and N-type batteries are just opposite. [0003] In the assembly process, if a battery (N-type or P-type) is used for assembly, in the process of connecting the positive and negative electrodes of the battery, the solder strip needs to be bent in an S-shaped corner before it can be used for welding. In this way, due to the existence of S-bending stress, a cer...

AI Technical Summary

Problems solved by technology

At present, the use of ultra-soft ribbons to connect cells can effectively reduce the distance between cells, but the ultra-soft ribbons are not only expensive, but also cannot reduce the gap between cells to close to zero.

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