Patent ID: 11929444
Assignee: JINKO GREEN ENERGY (SHANGHAI) MANAGEMENT CO., LTD
Field: Semiconductors (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 2:
3. The functional part in accordance with claim 1,
wherein in a direction parallel to an arrangement direction of the plurality of cells in one cell string, a cross section area of the at least one groove in the peripheral region is larger than a cross section area of the at least one groove in the central region, wherein a depth of the at least one groove in the peripheral region is larger than a depth of the at least one groove in the central region; or in a direction parallel to an arrangement direction of the plurality of cells in one cell string, a cross section width of the at least one groove in the peripheral region is larger than a cross section width of the at least one groove in the central region.