用于生产纹理化太阳能晶片的方法

文档序号:441036 发布日期:2021-12-24 浏览:24次 >En<

阅读说明:本技术 用于生产纹理化太阳能晶片的方法 (Method for producing textured solar wafers ) 是由 V·布尔斯 A·维森 于 2020-05-11 设计创作,主要内容包括:本发明涉及用于生产至少在一侧上纹理化的太阳能晶片的方法,其中,在第一方法步骤中,提供具有锯切损伤的锯切太阳能晶片,并且在最后一个方法步骤结束时提供具有不同尺寸类型的大锥体和小锥体的纹理化太阳能晶片,并且其中,纹理化太阳能晶片可以随后进行进一步加工以生产太阳能电池。本发明解决的问题是在太阳能电池生产技术的框架内提供改进的纹理化方法。该问题通过生产纹理化太阳能晶片的方法来解决,其中,在第一纹理蚀刻步骤中,以低表面积密度产生大锥体,使得在该方法结束时,小于30%的太阳能晶片纹理化表面被大锥体占据;并且在第二纹理蚀刻步骤中,以大表面积密度产生小锥体。(The invention relates to a method for producing a solar wafer textured at least on one side, wherein in a first method step a sawn solar wafer with sawing damage is provided and at the end of the last method step a textured solar wafer with large and small pyramids of different size types is provided, and wherein the textured solar wafer can subsequently be further processed to produce a solar cell. The problem addressed by the present invention is to provide an improved texturing method within the framework of solar cell production technology. This problem is solved by a method for producing a textured solar wafer, wherein in a first texture etching step large pyramids are generated with a low surface area density, such that at the end of the method less than 30% of the textured surface of the solar wafer is occupied by large pyramids; and in a second texture etching step, small pyramids are created with a large surface area density.)

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