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申请号:202010170385.1 公开号:CN111251483A 主分类号:B28D5/00
摘要:【中文】本发明公开了一种硅棒的切割方法,其将硅棒切割成硅片,包括切片步骤;所述硅棒为100晶向的单晶硅棒;切片方向与硅棒轴心存在非90度的夹角,切片所得的硅片为非100晶向的单晶硅片。本发明能将单晶硅棒切割出非100晶向的第一单晶硅片,主要是调整了准方棒或方棒的切片方向,对现有单晶硅棒切割方法的改动较小,易于推广。本发明还能将边皮料切割出非100晶向的第二单晶硅片,可提高单晶硅棒的利用率,并提高非100晶向单晶硅片的产出。 【EN】The invention discloses a silicon rod cutting method, which is used for cutting a silicon rod into silicon wafers and comprises a slicing step; the silicon rod is a single crystal silicon rod with a 100 crystal orientation; an included angle of 90 degrees is formed between the slicing direction and the axis of the silicon rod, and the silicon wafer obtained by slicing is a monocrystalline silicon wafer with a non-100 crystal orientation. The method can cut the first monocrystalline silicon piece with the non-100 crystal orientation from the monocrystalline silicon rod, mainly adjusts the slicing direction of the quasi-square rod or the square rod, has small change on the existing monocrystalline silicon rod cutting method, and is easy to popularize. The method can also cut the second monocrystalline silicon piece with the non-100 crystal orientation from the edge skin material, can improve the utilization rate of the monocrystalline silicon rod, and can improve the output of the monocrystalline silicon piece with the non-100 crystal orientation.
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申请号:202010170777.8 公开号:CN111244208A 主分类号:H01L31/042
摘要:【中文】本发明提供一种太阳能电池片,其正面设有棱锥绒面结构;棱锥顶点在该棱锥底面所在平面上的投影,位于该棱锥底面中心的一侧;且电池片上各棱锥的顶点朝向相同。本发明还提供该太阳能电池片的应用。与现有采用正四棱锥绒面结构的电池片相比,本发明电池片的反射率更低;采用本发明电池片的组件,效率更高;且本发明组件适于竖直安装和水平安装;组件还可以水平拼接成方阵,可大大减少方阵的占地面积。 【EN】The invention provides a solar cell, wherein the front side of the solar cell is provided with a pyramid suede structure; the projection of the pyramid vertex on the plane of the pyramid bottom surface is positioned on one side of the center of the pyramid bottom surface; and the vertexes of the pyramids on the cell sheet face the same direction. The invention also provides an application of the solar cell. Compared with the conventional battery piece adopting a regular rectangular pyramid suede structure, the reflectivity of the battery piece is lower; by adopting the assembly of the battery piece, the efficiency is higher; the assembly is suitable for vertical installation and horizontal installation; the components can be horizontally spliced into a square matrix, so that the floor area of the square matrix can be greatly reduced.
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申请号:202010170409.3 公开号:CN111180539A 主分类号:H01L31/0236
摘要:【中文】本发明公开了一种提高太阳能电池组件发电量的方法,在组件的安装倾角受限制不能达到最佳倾角的情况下,通过优化组件中电池片的绒面结构来提高组件的发电量。该方法可应用在太阳能电池方阵中,并提高方阵的发电量。 【EN】The invention discloses a method for improving the generating capacity of a solar cell module, which improves the generating capacity of the module by optimizing a suede structure of a cell in the module under the condition that the installation inclination angle of the module is limited and cannot reach the optimal inclination angle. The method can be applied to a solar cell square matrix and can improve the generating capacity of the square matrix.
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