Graphene solar cell panel

Abstract

The invention discloses a graphene solar cell panel comprising a photoelectric conversion layer, an upper electrode layer and a lower electrode layer; the upper electrode layer surface comprises a plurality of convex structures and a plurality of concave structures, wherein the convex structures and the concave structures are spatially arranged to alternate with each other; the lower electrode layer surface comprises a plurality of convex structures and a plurality of concave structures, wherein the convex structures and the concave structures are spatially arranged to alternate with each other; the photoelectric conversion layer is tightly attached to the upper electrode layer; the photoelectric conversion layer is tightly attached to the lower electrode layer; the photoelectric conversion layer is a graphene layer; the upper electrode layer surface is provided with a plurality of evenly distributed upper through holes; the lower electrode layer surface is provided with a plurality ofevenly distributed lower through holes; the graphene solar cell panel is low in making cost, and high in photoelectric conversion efficiency.

Description

technical field [0001] The present invention relates to the technical field of graphene, and more specifically, relates to a graphene solar panel. Background technique [0002] In recent years, solar cells, as a new type of green energy, are playing an increasingly important role in the sustainable development of human beings. Among them, silicon-based solar cells, especially crystalline silicon solar cells, occupy about 90% of the market. However, compared with conventional power generation, the cost of solar cell power generation is still high, which limits the large-area application. One of the reasons for the high cost of solar cell power generation is the high cost of cell manufacturing, and another major reason is its low photoelectric conversion efficiency. [0003] Since graphene materials were first stably prepared in 2004, more and more studies have found that graphene materials have excellent electrical and optical properties, such as extremely high carrier mobi...

AI Technical Summary

Problems solved by technology

[0005] At present, the manufacturer arranges the upper and lower electrodes of the solar cell upwards, and then electrically connects the upper and lower electrodes of the solar cell with a conductive material of sufficient width to connect multiple solar cells in series, increase the voltage, and avoid electric energy. However, although this method can avoid flipping the solar cell, it must consume a large amount of conductive materials, resulting in a large area of ​​the solar cell being covered by the conductive material, which reduces the efficiency of the solar cell in converting light energy into electrical energy

Moreover, the conductive material must be aligned more precisely with respect to the solar cell, so as to avoid the occurrence of poor electrical connection, thereby increasing the difficulty of manufacturing.

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