Solar Cell

158.75mm × 158.75mm 5BB Mono PERC Solar Cell

Size: 158.75mm × 158.75mm ± 0.25mm (diameter 223mm ± 0.5mm) Thickness (cell): 190μm ± 20μm Front (-): Silicon dioxide + blue silicon nitride composite anti-reflective film (PID Free);busbar width: 0.7±0.1 mm, the secondary grid lines are 116;the head of the bus bar is forked,among which 2 spinal Ag bars parallel to each of the busbars. Back(+):Rear side of bifacial cell: AlOx and SiNx dual layer；18±0.3 mm Ag electrode is embedded in rear bus bar; each Ag electrode is exposed SiNx at both ends as 1.3±0.6mm. Back(+):Rear side of mono facial cell:AlOx and SiNx dual layer rear contact；The width and length of the Ag electrode is 1.7±0.3mm and 18±1mm respectively;each Ag electrode is exposed SiNx 1.3±0.6mm SiNx at both ends.

158.75mm × 158.75mm 5BB Bifacial Mono PERC Cell

Size: 158.75mm × 158.75mm ± 0.25mm (diameter 223mm ± 0.5mm) Thickness (cell): 190μm ± 20μm Front (-): Silicon dioxide + blue silicon nitride composite anti-reflective film (PID Free);busbar width: 0.7±0.1 mm, the secondary grid lines are 116;the head of the bus bar is forked,among which 2 spinal Ag bars parallel to each of the busbars. Back(+):Rear side of bifacial cell: AlOx and SiNx dual layer；18±0.3 mm Ag electrode is embedded in rear bus bar; each Ag electrode is exposed SiNx at both ends as 1.3±0.6mm. Back(+):Rear side of mono facial cell:AlOx and SiNx dual layer rear contact；The width and length of the Ag electrode is 1.7±0.3mm and 18±1mm respectively;each Ag electrode is exposed SiNx 1.3±0.6mm SiNx at both ends.

166mm × 166mm 6BB Mono PERC Solar Cell

166mm ×166mm 9BBMono PERC Solar Cell

Size: 166mm × 166mm ± 0.25mm (diameter 223 ± 0.25mm) Thickness (cell): 190 ± 20 μm Front(-):Silicon oxide + blue silicon nitride compound anti-reflection coating (PID Free); The width of bus bar is 0.1±0.1 mm and the head of bus bar is forked; The number of fingers is 122；The front side of the solar cell is designed as a half sheet. Back(+):Rear side of bifacial cell: Passivated Emitter (AlOx and SiNx dual layer) rear contact；the rear side is composed of 9 roots rear compound bus bar and 138 roots rear Al fingers: the rear compound bus bar is partially narrowed; 6 section Ag electrode with a width of 2.1±0.3 mm was embedded in rear Al bus bar; The width of hollow section in Al field is 1.9±0.3 mm, and the width of exposed Ag electrode is 1.5±0.3 mm; there is no laser groove under the rear electrode.