CPC H01L 31/18 (2013.01) [H01L 31/022425 (2013.01); H01L 31/048 (2013.01); H01L 31/0504 (2013.01)] | 10 Claims |
1. A photovoltaic module, comprising a first cover plate, a first encapsulation film, at least one cell string, a second encapsulation film, and a second cover plate, which are stacked in sequence; wherein
each cell string of the at least one cell string includes a plurality of cells and a plurality of connecting members;
each cell of the plurality of cells has a plurality of solder pads, the plurality of solder pads including a metal, and for each respective cell of at least one cell of the plurality of cells, a corresponding solder layer is formed on each respective solder pad of at least one solder pad of the each respective cell, wherein the corresponding solder layer includes a first alloy layer adjacent to the each respective solder pad and a second alloy layer on a surface of the first alloy layer away from the each respective solder pad, the first alloy layer including a first alloy formed of tin and the metal; and
each respective connecting member of the plurality of connecting members is disposed on at least one solder pad and/or at least one solder layer of each cell of a respective pair of adjacent cells.
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