Solar cell and preparation method thereof
A solar cell and negative charge technology, applied in the field of solar cells, can solve the problems of complex solar cell preparation process and high production cost, and achieve the effects of ensuring frontal light absorption performance, increasing charged density, and ensuring carrier transport capacity
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[0022] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, various implementation modes of the present invention will be described in detail below in conjunction with the accompanying drawings. However, those of ordinary skill in the art can understand that, in each implementation manner of the present invention, many technical details are provided for readers to better understand the present application. However, even without these technical details and various changes and modifications based on the following implementation modes, the technical solution claimed in this application can also be realized.
[0023] A first embodiment of the present invention relates to a solar cell such as figure 1 As shown, it includes: a substrate 11, a positive electrode 12, a negative electrode 13 and a charged passivation layer 14, the substrate 11 includes a front surface 111 and a back surface 112 oppositely arranged, and...
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