Cell edge chip, corner chip:edge chipslength ≤ 10mm,depth ≤ 0.8 mm,less than 2 on each cell,≤2 in each module
corner chips size ≤ 1.5 mm × 1.5mm,number ≤ 1 on each cell;Not allowed V chipson the edge of cell;Chips on the edge of cell not cross the busbar