Preparation method of polycrystalline silicon ingot
A polycrystalline silicon ingot and polycrystalline silicon technology, applied in the field of solar cells, can solve the problem of low nucleation rate and achieve the effect of high heterogeneous nucleation rate and uniform crystal grains
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[0027] In the following description, specific details such as specific system structures and technologies are presented for the purpose of illustration rather than limitation, so as to thoroughly understand the embodiments of the present invention. It will be apparent, however, to one skilled in the art that the invention may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
[0028] In order to illustrate the technical solutions of the present invention, specific examples are used below to illustrate.
[0029] Please refer to figure 1 , figure 1 It is an implementation flowchart of a method for preparing a polycrystalline silicon ingot provided by an embodiment of the present invention, and the method includes the following steps:
[0030] Step S101 , coating an iso...
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