	US 12,074,245 B1
	Method for manufacturing photovoltaic module and photovoltaic module
Wusong Tao, Jiangxi (CN); Jun Feng, Jiangxi (CN); and Heng Luo, Jiangxi (CN)
Assigned to JINKO SOLAR CO., LTD., Jiangxi (CN); and ZHEJIANG JINKO SOLAR CO., LTD., Haining Zhejiang (CN)
Filed by JINKO SOLAR CO., LTD., Jiangxi (CN); and ZHEJIANG JINKO SOLAR CO., LTD., Zhejiang (CN)
Filed on Aug. 29, 2023, as Appl. No. 18/458,074.
Claims priority of application No. 202310512494.0 (CN), filed on May 8, 2023; and application No. 202321089398.1 (CN), filed on May 8, 2023.
Int. Cl. H01L 31/048 (2014.01); H01L 31/0224 (2006.01); H01L 31/05 (2014.01); H01L 31/18 (2006.01)

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.