公开(公告)号：US20130240031A1

公开(公告)日：2013-09-19

申请号：US13798355

申请日：2013-03-13

Applicant: LG ELECTRONICS INC.

Inventor： Seunghwan SHIM ,  Kisu KIM ,  Eunhye YOON ,  Yuju HWANG ,  Younghyun LEE ,  Sangwook PARK

IPC: H01L31/0216 ,  H01L31/0224

CPC classification number: H01L31/02168 ,  H01L31/022425 ,  H01L31/068 ,  H01L31/0745 ,  H01L31/0747 ,  Y02E10/547

Abstract: A solar cell includes a semiconductor substrate of a first conductive type, an emitter region having a second conductive type different from the first conductive type and positioned at a first surface of the semiconductor substrate, a semiconductor region positioned directly on a second surface opposite the first surface of the semiconductor substrate, forming a charge accumulation layer on the second surface of the semiconductor substrate, and containing impurities of the first conductive type, a first electrode positioned on the first surface of the semiconductor substrate and coupled to the emitter region, and a second electrode positioned on the second surface of the semiconductor substrate and coupled to the semiconductor substrate.

Abstract translation: 太阳能电池包括第一导电类型的半导体衬底，具有不同于第一导电类型且位于半导体衬底的第一表面的第二导电类型的发射极区域，直接位于与第一导电类型相反的第二表面的半导体区域 在所述半导体衬底的第二表面上形成电荷累积层，并且包含所述第一导电类型的杂质，位于所述半导体衬底的所述第一表面上并耦合到所述发射极区域的第一电极，以及 第二电极，其位于半导体衬底的第二表面上并且耦合到半导体衬底。