Back contact heterojunction solar cell with by low laser damage as characteristic, and and manufacturing method thereof
A technology for solar cells and manufacturing methods, applied in photovoltaic power generation, final product manufacturing, sustainable manufacturing/processing, etc., can solve problems such as sensitivity to laser thermal effects, and achieve the effects of controlling laser damage, decreasing aperture ratio, and reducing processes
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[0068] The preparation process of the hydrogen-doped indium oxide thin film is to use pure indium oxide as a target material, then introduce hydrogen or water vapor into the process gas, and form a hydrogen-doped indium oxide thin film by physical vapor deposition.
[0069] The specific method of the step F is to print the anti-plating ink on the conductive layer obtained through the step E treatment.
[0070] The specific method of the step G is to prepare the first conductive region electrode and the second conductive region electrode by electroplating on the first conductive region and the second conductive region treated in the step C.
[0071] The specific process of step G is to form an electroplated copper grid electrode by immersion or horizontal brush contact, and form a protective tin of 100 nanometers to 5 microns on the copper grid electrode by covering it with chemical tin or electroplating tin. Floor.
[0072] The specific method of the step H is, after the trea...
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