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

Claim 0:
1. A solar cell, comprising:
a substrate having a first surface and a second surface opposite to each other; and
at least one first electrode arranged on and electrically connected to the substrate, wherein each first electrode includes, along a thickness direction of the substrate, a first conductive layer, a second conductive layer, and a first transport layer, the first transport layer is located between the first conductive layer and the second conductive layer, and the first transport layer is made of a semiconductor material and configured to electrically connect the first conductive layer with the second conductive layer,
wherein, along a direction away from the substrate, the first surface is successively provided with an emitter and a first passivation film,
wherein the at least one first electrode includes a first electrode arranged on the first surface of the substrate, the first electrode arranged on the first surface of the substrate is arranged on one side of the first passivation film away from the emitter, and the first electrode arranged on the first surface of the substrate penetrates through the first passivation film and is electrically connected to the emitter, and
wherein the substrate is a silicon substrate having a first doping polarity, the first transport layer of the first electrode on the first surface of the substrate is a doped semiconductor layer having a second doping polarity opposite to the first doping polarity.