公开(公告)号：US20150255642A1

公开(公告)日：2015-09-10

申请号：US14716539

申请日：2015-05-19

申请人： LG ELECTRONICS INC.

发明人： Jinsung KIM ,  Chulchae CHOI ,  Changseo PARK ,  Jaewon CHANG ,  Hyungseok KIM ,  Youngho CHOE ,  Philwon Yoon

IPC分类号： H01L31/0236 ,  H01L31/0224 ,  H01L31/0216

CPC分类号： H01L31/02366 ,  H01L31/02168 ,  H01L31/022433 ,  H01L31/0236 ,  H01L31/02363 ,  H01L31/03529 ,  H01L31/068 ,  H01L31/1804 ,  Y02E10/547 ,  Y02P70/521

摘要： The present invention relates to a solar cell. The solar cell includes a substrate of a first conductive type, the substrate having a textured surface on which a plurality of projected portions are formed, and surfaces of the projected portions having at least one of a plurality of particles attached thereto and a plurality of depressions formed thereon; an emitter layer of a second conductive type opposite the first conductive type, the emitter layer being positioned in the substrate so that the emitter layer has the textured surface; an anti-reflection layer positioned on the emitter layer which has the textured surface and including at least one layer; a plurality of first electrodes electrically connected to the emitter layer; and at least one second electrode electrically connected to the substrate.

摘要翻译： 本发明涉及一种太阳能电池。 太阳能电池包括第一导电类型的基板，该基板具有纹理表面，多个凸起部分形成在其上，并且突出部分的表面具有附着到其上的多个颗粒中的至少一个和多个凹陷部分 在其上形成; 与第一导电类型相反的第二导电类型的发射极层，发射极层位于衬底中，使得发射极层具有纹理表面; 位于发射极层上的防反射层，其具有纹理表面并且包括至少一个层; 电连接到发射极层的多个第一电极; 以及至少一个第二电极，其电连接到所述衬底。

公开(公告)号：US20140332060A1

公开(公告)日：2014-11-13

申请号：US14341637

申请日：2014-07-25

申请人： LG ELECTRONICS INC.

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

IPC分类号： H01L31/0224 ,  H01L31/048

CPC分类号： H01L31/022441 ,  H01L31/049 ,  H01L31/0516 ,  H01L31/0682 ,  Y02E10/547

摘要： 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.

摘要翻译： 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。