US 12,094,992 B2
Unit cell, solar cell comprising same, and method for manufacturing solar cell
JungBae Kim, Gwangju-si (KR); JunYoung Kang, Gwangju-si (KR); HyangJu Mun, Gwangju-si (KR); SeonKi Min, Gwangju-si (KR); JeongHo Seo, Gwangju-si (KR); WonSuk Shin, Gwangju-si (KR); HyunKyo Shin, Gwangju-si (KR); YoungTae Yoon, Gwangju-si (KR); and KyoungJin Lim, Gwangju-si (KR)
Assigned to JUSUNG ENGINEERING CO., LTD, (KR)
Appl. No. 17/641,432
Filed by JUSUNG ENGINEERING CO., LTD., Gwangju-si (KR)
PCT Filed Sep. 25, 2020, PCT No. PCT/KR2020/013035
§ 371(c)(1), (2) Date Mar. 8, 2022,
PCT Pub. No. WO2021/075756, PCT Pub. Date Apr. 22, 2021.
Claims priority of application No. 10-2019-0129880 (KR), filed on Oct. 18, 2019.
Prior Publication US 2022/0302332 A1, Sep. 22, 2022
Int. Cl. H01L 31/05 (2014.01); H01L 31/0224 (2006.01); H01L 31/18 (2006.01)
CPC H01L 31/0516 (2013.01) [H01L 31/022441 (2013.01); H01L 31/186 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A method of manufacturing a solar cell, the method comprising:
a substrate preparing process of preparing a substrate where a plurality of division parts for dividing the substrate into a plurality of pieces are formed;
a first electrode forming process of forming a plurality of first base electrodes having conductivity on a first surface of the substrate;
a first curing process of curing the first base electrode;
a second electrode forming process of forming a plurality of second base electrodes, having conductivity and an uncured state, on a second surface of the substrate;
a division process of dividing the substrate into a plurality of pieces through the division parts to form a plurality of unit cells including a first unit cell and a second unit cell, each of the first unit cell and the second unit cell including a first cell electrode in a cured state and a second cell electrode in an uncured state; and
a bonding process of bonding the first unit cell and the second unit cell through the first cell electrode of the first unit cell and the second cell electrode of the second unit cell without a bonding material, the first unit cell and the second unit cell partially overlapping each other.