A kind of crystalline silicon solar cell and its preparation method
A technology of solar cells and crystalline silicon, applied in circuits, photovoltaic power generation, electrical components, etc., can solve the problems of low light absorption efficiency, weak photoelectric conversion ability, narrow absorption spectrum, etc., and achieve the goal of expanding absorption spectrum and improving light absorption efficiency Effect
Active Publication Date: 2017-06-30
ZHEJIANG BEISHENG NEW ENERGY DEV CO LTD
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Problems solved by technology
[0002] In the existing technology, crystalline silicon solar cells generally have problems such as narrow absorption spectrum and low light absorption efficiency, which makes crystalline silicon solar cells face difficulties such as weak photoelectric conversion ability and low cost-effectiveness ratio in the promotion.
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[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0031] See figure 1 , the invention provides a crystalline silicon solar cell, the crystalline silicon solar cell is composed of a plurality of functional layers, the plurality of functional layers are respectively a substrate, a silver conductive film, a metal nano pattern layer, a photoelectric conversion semiconductor layer P-V , transparent conductive film TCO, anti-reflection layer;
[0032] The silver conductive film is deposited on the substra...
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Abstract
The invention discloses a crystalline silicon solar cell. The crystalline silicon solar cell comprises multiple functional layers, wherein the multiple function layers include a substrate, a silver conductive film, a metal nano pattern layer, a photoelectric conversion semiconductor layer, a transparent conductive film, and an antireflection layer which are arranged in sequence; the antireflection layer adopts a composite structure and consists of aluminium nitride / silicon oxide; the metal nano pattern layer at least comprises two forms of metal nano pattern regions; the metal nano pattern regions are distributed in a chessboard-shaped manner; and the material of the metal nano pattern layer is nickel.
Description
technical field [0001] The invention relates to the field of design and manufacture of solar cells, in particular to the design and manufacture of a crystalline silicon solar cell. Background technique [0002] In the prior art, crystalline silicon solar cells generally have problems such as narrow absorption spectrum and low light absorption efficiency, which makes the promotion of crystalline silicon solar cells face difficulties such as weak photoelectric conversion ability and low cost-effectiveness ratio. Contents of the invention [0003] In order to solve the above technical problems, the present invention provides a crystalline silicon solar cell, the crystalline silicon solar cell is composed of multiple functional layers, the multiple functional layers are respectively a substrate, a silver conductive film, a metal nano pattern layer, Photoelectric conversion semiconductor layer, transparent conductive film, anti-reflection layer; [0004] The silver conductive ...
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IPC IPC(8): H01L31/0216H01L31/0224H01L31/18
CPCH01L31/02168H01L31/022425H01L31/1804Y02E10/547Y02P70/50
Inventor 龚熠邱小永姚春梅许雪艳
Owner ZHEJIANG BEISHENG NEW ENERGY DEV CO LTD