Patent ID: 11961924
Assignee: ZHEJIANG JINKO SOLAR CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 17:
18. The solar cell according to claim 17, wherein the at least one first electrode further comprises a first electrode arranged on the first surface of the silicon substrate and electrically connected to the silicon substrate,
wherein along a direction away from the substrate, the first surface is successively provided with an emitter and a first passivation film, the first electrode on the first surface of the silicon substrate is arranged on one side of the first passivation film away from the emitter, and the first electrode on the first surface of the silicon substrate penetrates through the first passivation film and is electrically connected to the emitter, and
wherein the silicon substrate and the first transport layer of the first electrode on the first surface of the silicon substrate have opposite doping polarities.