公开(公告)号：US20140338747A1

公开(公告)日：2014-11-20

申请号：US14278827

申请日：2014-05-15

Applicant: LG ELECTRONICS INC.

Inventor： Minho CHOI ,  Hyunjung PARK ,  Junghoon CHOI ,  Youngho CHOE

IPC: H01L31/068 ,  H01L31/18

Abstract: Discussed is a solar cell including a semiconductor substrate including a base area and a doping area, a doping layer formed on the semiconductor substrate, the doping layer having a conductive type different from the doping area, a tunneling layer interposed between the doping layer and the semiconductor substrate, a first electrode connected to the doping area, and a second electrode connected to the doping layer.

Abstract translation: 讨论了包括基底区域和掺杂区域的半导体衬底的太阳能电池，形成在半导体衬底上的掺杂层，具有不同于掺杂区域的导电类型的掺杂层，插入在掺杂层和掺杂层之间的隧穿层 半导体衬底，连接到掺杂区域的第一电极和连接到掺杂层的第二电极。

公开(公告)号：US20140332060A1

公开(公告)日：2014-11-13

申请号：US14341637

申请日：2014-07-25

Applicant: LG ELECTRONICS INC.

Inventor： Chulchae CHOI ,  Changseo PARK ,  Jinsung KIM ,  Jaewon CHANG ,  Hyungseok KIM ,  Youngho CHOE ,  Philwon YOON

IPC: H01L31/0224 ,  H01L31/048

CPC classification number: H01L31/022441 ,  H01L31/049 ,  H01L31/0516 ,  H01L31/0682 ,  Y02E10/547

Abstract: A solar cell is disclosed. The solar cell includes a substrate of a first conductive type; a plurality of emitter layers having a second conductive type opposite the first conductive type, the plurality of emitter layers positioned in a first surface of the substrate and extended in a first direction in the first surface of the substrate; a plurality of surface field layers having the first conductive type more heavily doped than the substrate, the plurality of surface field layers positioned in the first surface of the substrate and extended in the first direction in the first surface of the substrate; a passivation layer positioned on the first surface of the substrate and including a plurality of first openings exposing portions of each of the plurality of surface field layers and a plurality of second openings exposing portions of each of the plurality of emitter layers; a plurality of first electrodes positioned in the plurality of first openings and contacting the plurality of surface field layers; a plurality of second electrodes positioned in the plurality of second openings and contacting the plurality of emitter layers; a plurality of first conductive members positioned on the plurality of first electrodes; and a plurality of second conductive members positioned on the plurality of second electrodes.

Abstract translation: 公开了一种太阳能电池。 太阳能电池包括第一导电类型的衬底; 多个发射极层，具有与第一导电类型相反的第二导电类型，多个发射极层位于基板的第一表面中，并在基板的第一表面中沿第一方向延伸; 具有比衬底更重掺杂的第一导电类型的多个表面场层，所述多个表面场层位于衬底的第一表面中并在衬底的第一表面中沿第一方向延伸; 钝化层，位于所述基板的第一表面上，并且包括暴露所述多个表面场层中的每一个的部分的多个第一开口和暴露所述多个发射极层中的每一个的部分的多个第二开口; 多个第一电极，其定位在所述多个第一开口中并接触所述多个表面场层; 多个第二电极，位于所述多个第二开口中并接触所述多个发射极层; 定位在所述多个第一电极上的多个第一导电构件; 以及定位在所述多个第二电极上的多个第二导电构件。