Passivation contact N-type solar cell and manufacturing method, component and system
A solar cell, N-type technology, applied in the field of solar cells, can solve the problems of comparable cost, high silver content, and reduce the use of silver-containing paste, so as to save silver paste, low recombination rate, short-circuit current and energy conversion high efficiency effect
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[0037] The present invention will be described in detail below in conjunction with the embodiments and the drawings. It should be pointed out that the described embodiments are only intended to facilitate the understanding of the present invention and do not have any limiting effect on it.
[0038] See Figure 1 to Figure 7 As shown, the manufacturing method of an N-type solar cell in this embodiment includes the following steps:
[0039] (1) Choose a 156mm*156mm N-type crystalline silicon substrate 10, and perform texturing treatment on the front surface of the N-type crystalline silicon substrate 10; the resistivity of the N-type crystalline silicon substrate 10 is 0.5-15Ω·cm, preferably 1 ~5Ω·cm; The thickness of the N-type crystalline silicon substrate 10 is 50-300μm, preferably 80-200μm; the battery structure after this step is as follows figure 1 Shown.
[0040] (2) Put the N-type crystalline silicon substrate 10 processed in step (1) into an industrial diffusion furnace to dif...
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