US 12,269,973 B2
Encapsulation adhesive film for solar cell and preparation method and use therefor
Lei Wang, Suzhou (CN); Ya Zheng, Suzhou (CN); Hongye Chen, Suzhou (CN); Keiichi Uno, Suzhou (CN); and Xiaoping Wu, Suzhou (CN)
Assigned to CYBRID TECHNOLOGIES INC., Suzhou (CN)
Appl. No. 16/958,138
Filed by CYBRID TECHNOLOGIES INC., Suzhou (CN)
PCT Filed Dec. 25, 2018, PCT No. PCT/CN2018/123373
§ 371(c)(1), (2) Date Jul. 16, 2020,
PCT Pub. No. WO2019/128962, PCT Pub. Date Jul. 4, 2019.
Claims priority of application No. 201711440273.8 (CN), filed on Dec. 27, 2017.
Prior Publication US 2020/0354611 A1, Nov. 12, 2020
Int. Cl. C09J 7/10 (2018.01); C09J 4/06 (2006.01); C09J 11/04 (2006.01); C09J 11/06 (2006.01); H01L 31/048 (2014.01)
CPC C09J 7/10 (2018.01) [C09J 4/06 (2013.01); C09J 11/04 (2013.01); C09J 11/06 (2013.01); C09J 2203/322 (2013.01); C09J 2203/33 (2013.01); C09J 2301/122 (2020.08); C09J 2301/208 (2020.08); H01L 31/0481 (2013.01)] 15 Claims
OG exemplary drawing
 
1. An encapsulation adhesive film for a solar cell comprising a transparent layer in contact with a cell sheet, a first adhesive film layer in contact with the transparent layer, and a second adhesive film layer in contact with a back-sheet or a glass,
wherein the encapsulation adhesive film is between the cell sheet, and a glass or back-sheet,
wherein a composition of the transparent layer comprises:
a resin;
a cross-linking agent accounting for 0.1% to 5% of a mass of the resin;
an auxiliary cross-linking agent accounting for 0.1% to 1% of the mass of the resin;
a coupling agent accounting for 0.1% to 1% of the mass of the resin; and
a light stabilizer accounting for 0.1% to 1% of the mass of the resin,
wherein a composition of the first adhesive film layers consists of:
a resin and a colored filler with a mass ratio of 3 to 5:1;
a cross-linking agent accounting for 0.1% to 5% of a total mass of the resin and the colored filler;
an auxiliary cross-linking agent accounting for 0.1% to 1% of the total mass of the resin and the colored filler;
a coupling agent accounting for 0.1% to 1% of the total mass of the resin and the colored filler;
a light stabilizer accounting for 0.1% to 1% of the total mass of the resin and the colored filler; and
a photo initiator accounting for 0.1% to 5% of the total mass of the resin and the colored filler, and
wherein a composition of the second adhesive film layer consists of:
a resin and a colored filler with a mass ratio of 15 to 25:1;
a cross-linking agent accounting for 0.1% to 5% of the total mass of the resin and the colored filler;
an auxiliary cross-linking agent accounting for 0.1% to 1% of the total mass of the resin and the colored filler;
a coupling agent accounting for 0.1% to 1% of the total mass of the resin and the colored filler; and
a light stabilizer accounting for 0.1% to 1% of the total mass of the resin and the colored filler.