公开(公告)号：US20140230881A1

公开(公告)日：2014-08-21

申请号：US14263682

申请日：2014-04-28

Applicant: LG Electronics Inc.

Inventor： Myungjun SHIN ,  Haejong CHO ,  Minho CHOI ,  Seongeun LEE

IPC: H01L31/05

CPC classification number: H01L31/0504 ,  H01L31/022441 ,  H01L31/0516 ,  H01L31/0682 ,  Y02E10/547

Abstract: A solar cell module includes a plurality of solar cells each including a substrate, an emitter region positioned at a back surface of the substrate, first electrodes electrically connected to the emitter region, second electrodes electrically connected to the substrate, a first current collector positioned at ends of the first electrodes, and a second current collector at ends of the second electrodes, and a first connector connecting a first current collector of a first solar cell of the plurality of solar cells to a second current collector of a second solar cell adjacent to the first solar cell. The first current collector of the first solar cell and the second current collector of the second solar cell each have a different polarity.

Abstract translation: 太阳能电池模块包括多个太阳能电池，每个太阳能电池包括基板，位于基板的背面的发射极区域，与发射极区域电连接的第一电极，与该基板电连接的第二电极，位于 第一电极的端部和第二电极的端部处的第二集电体，以及将多个太阳能电池的第一太阳能电池的第一集电体连接到第二太阳能电池的第二集电体的第一连接器， 第一个太阳能电池。 第一太阳能电池的第一集电体和第二太阳能电池的第二集电体各自具有不同的极性。

公开(公告)号：US20140116506A1

公开(公告)日：2014-05-01

申请号：US14146501

申请日：2014-01-02

Applicant: LG ELECTRONICS INC.

Inventor： Juhwa CHEONG ,  Hyunjung PARK ,  Junyong AHN ,  Seongeun LEE ,  Jiweon JEONG

IPC: H01L31/0236 ,  H01L31/0216

CPC classification number: H01L31/02363 ,  H01L31/02168 ,  H01L31/18 ,  Y02E10/50 ,  Y02E10/52

Abstract: A method of manufacturing a solar cell includes forming jagged portions non-uniformly on a surface of a substrate, forming a first type semiconductor and a second type semiconductor in the substrate, forming a first electrode to contact the first type semiconductor, and forming a second electrode to contact the second type semiconductor. An etchant used in a wet etching process in manufacturing the solar cell includes about 0.5 wt % to 10 wt % of HF, about 30 wt % to 60 wt % of HNO3, and up to about 30 wt % of acetic acid based on total weight of the etchant.

Abstract translation: 太阳能电池的制造方法包括在基板的表面上不均匀地形成锯齿状的部分，在基板上形成第一型半导体和第二型半导体，形成与第一型半导体接触的第一电极，形成第二 电极接触第二类型半导体。 在制造太阳能电池的湿式蚀刻工艺中使用的蚀刻剂包括约0.5重量％至10重量％的HF，约30重量％至60重量％的HNO 3和至多约30重量％的基于总重量的乙酸 的蚀刻剂。

公开(公告)号：US20150333199A1

公开(公告)日：2015-11-19

申请号：US14810169

申请日：2015-07-27

Applicant: LG Electronics Inc.

Inventor： Sungjin KIM ,  Taeyoung KWON ,  Seongeun LEE ,  Gyeayoung KWAG

IPC: H01L31/0224

CPC classification number: H01L31/1804 ,  H01L31/022433 ,  Y02E10/547 ,  Y02P70/521

Abstract: A solar cell is discussed, which includes a pair of connecting electrodes having a portion having a width smaller than a width of a plurality of bus bar electrodes, and the pair of connecting electrodes connects a plurality of second finger electrodes to both sides of an end of one of the plurality of bus bar electrodes, respectively, wherein the end of the one of the plurality of bus bar electrodes being positioned in a second direction, wherein an area not including the plurality of second finger electrodes is positioned between the pair of connecting electrodes, and wherein an auxiliary electrode not connected to the plurality of second finger electrodes and having a width smaller than the width of the plurality of bus bar electrodes is disposed in the area not including the plurality of second finger electrodes.

Abstract translation: 讨论了一种太阳能电池，其包括一对具有宽度小于多个母线电极的宽度的部分的连接电极，并且该对连接电极将多个第二指状电极连接到端部的两侧 所述多个汇流条电极中的一个位于所述多个汇流条电极之间，其中所述多个母线电极中的一个的端部位于第二方向，其中不包括所述多个第二指状电极的区域位于所述一对连接 电极，并且其中未连接到所述多个第二指状电极并且具有小于所述多个母线电极的宽度的宽度的辅助电极设置在不包括所述多个第二指状电极的区域中。

公开(公告)号：US20140057384A1

公开(公告)日：2014-02-27

申请号：US14071467

申请日：2013-11-04

Applicant: LG Electronics Inc.

Inventor： Seongeun LEE ,  Jiweon JEONG

IPC: H01L31/0224

CPC classification number: H01L31/022441 ,  H01L31/02167 ,  H01L31/022425 ,  H01L31/068 ,  H01L31/1804 ,  Y02E10/52 ,  Y02E10/542 ,  Y02E10/547 ,  Y02P70/521

Abstract: Discussed herein are a solar cell and a fabricating method thereof. The solar cell includes a first conductivity-type semiconductor substrate, a second conductivity-type semiconductor layer formed on a front surface of the first conductivity-type semiconductor substrate, and having a conductivity opposite to that of the first conductivity-type semiconductor substrate, an anti-reflection film including at least one opening exposing a part of a surface of the second conductivity-type semiconductor layer, and formed on the second conductivity-type semiconductor layer, at least one front electrode contacting a part of the surface of the second conductivity-type semiconductor layer exposed through the at least one opening, and at least one rear electrode formed on a rear surface of the first conductivity-type semiconductor substrate, wherein the at least one front electrode includes a metal containing silver and lead-free glass frit.

Abstract translation: 这里讨论的是太阳能电池及其制造方法。 太阳能电池包括第一导电型半导体衬底，形成在第一导电型半导体衬底的前表面上并具有与第一导电类型半导体衬底相反的导电性的第二导电型半导体层， 抗反射膜，其包括暴露第二导电型半导体层的表面的一部分的至少一个开口，并形成在第二导电型半导体层上，至少一个正极与第二导电性表面的一部分接触 型半导体层，以及形成在第一导电型半导体基板的后表面上的至少一个后电极，其中至少一个前电极包括含银和无铅玻璃料的金属 。

公开(公告)号：US20130122635A1

公开(公告)日：2013-05-16

申请号：US13728604

申请日：2012-12-27

Applicant: LG ELECTRONICS INC.

Inventor： Seongeun LEE

IPC: H01L31/18

CPC classification number: H01L31/02167 ,  H01L31/02168 ,  H01L31/022425 ,  H01L31/1876 ,  Y02E10/50 ,  Y02P70/521

Abstract: The present invention relates to a solar cell. The solar cell includes a substrate of a first conductive type, an emitter layer of a second conductive type opposite the first conductive type on the substrate, first and second anti-reflection layers that are sequentially positioned on the emitter layer, a first electrode electrically connected to the emitter layer, first to third passivation layers that are sequentially positioned on the substrate, each of the first to third passivation layers including a plurality of exposed portions, and a plurality of second electrodes electrically connected to portions of the substrate exposed by the plurality of exposed portions.

Abstract translation: 本发明涉及一种太阳能电池。 该太阳能电池包括第一导电类型的衬底，与衬底上的第一导电类型相反的第二导电类型的发射极层，依次位于发射极层上的第一和第二抗反射层，电连接的第一电极 到发射极层，顺序地定位在衬底上的第一至第三钝化层，第一至第三钝化层中的每一个包括多个暴露部分，以及多个第二电极，电连接到由多个裸露的多个衬底暴露的衬底的部分 的暴露部分。