The invention discloses a preparation method of a photovoltaic
cell and the photovoltaic
cell, and the preparation method of the photovoltaic
cell comprises the following steps: S1, placing a
silicon rod in a guide rail of a
cutting machine, wherein the guide rail can move in the vertical direction; s2, the movement speed of the
cutting line is set to be 8 m / s to 38 m / s, the tension of the
cutting line is set to be 3.4 N to 4 N, and the feeding speed of the guide rail is set to be 0.1 mm / min to 3.2 mm / min; s3, a cutting line is laid on a cutting main roller of the cutting
machine; s4, the movement of the cutting line in the direction from the first line wheel to the second line wheel and then in the direction from the second line wheel to the first line wheel is set as a movement cycle, and the movement cycle runs in a reciprocating mode; and S5, starting a
start button of the cutting
machine, and cutting the
silicon rod by the cutting line to obtain a plurality of
silicon wafers. According to the preparation method of the photovoltaic cell, the step of moving the cutting line to the second line wheel before the silicon rod is
cut is omitted, and the moving time of the cutting line is saved, so that the time for cutting the silicon rod is shortened, the production efficiency of a silicon
wafer is improved, and the production efficiency of the photovoltaic cell is improved.