Dimension: 157mm*157mm±0.25mm
Thichness: 200±30um
Front: 5*0.7 bus bars (silver)，104 finger grids ， Blue anti-reflecting coating
(silicon nitride)
Back(+) : 5*1.8mm busbars(silver)， Back surface field (aluminum)
157 5BB PERC POLY CELL
10Capacity （MW/Month）
10Production lines
5Efficiency upgrade （creased/year）
100Operation rate （%）
How to produce a solar cell
Efficiency testing & sorting
printing busbar
monocrystalline / polycrystalline wafer
monocrystalline / polycrystalline ingot
99.9999%~99.9999999% （6N - 9N)）Silicon material
