公开(公告)号：US20170047456A1

公开(公告)日：2017-02-16

申请号：US15334611

申请日：2016-10-26

Applicant: LG ELECTRONICS INC.

Inventor： Juhwa CHEONG ,  Yiyin YU ,  Youngsung YANG ,  Yongduk JIN ,  Manhyo HA ,  Seongeun LEE

IPC: H01L31/0216 ,  H01L31/0224 ,  H01L31/02

CPC classification number: H01L31/02167 ,  H01L31/02008 ,  H01L31/02168 ,  H01L31/022425 ,  H01L31/022433 ,  Y02E10/50

Abstract: A solar cell can include a substrate of a first conductive type; an emitter region which is positioned at a front surface of the substrate and has a second conductive type different from the first conductive type; a back surface field region which is positioned at a back surface opposite the front surface of the substrate; a front passivation region including a plurality of layers which are sequentially positioned on the emitter region; a back passivation region including a plurality of layers which are sequentially positioned on the back surface field region; a front electrode part which passes through the front passivation region and is connected to the emitter region, wherein the front electrode part comprises a plurality of front electrodes that are apart from each other and a front bus bar connecting the plurality of front electrodes; a back electrode part which passes through the back passivation region and is connected to the back surface field region, wherein the back electrode part comprises a plurality of back electrodes that are apart from each other and a back bus bar connecting the plurality of back electrodes, wherein the front passivation region includes a first aluminum oxide layer and the back passivation region includes a second aluminum oxide layer.

Abstract translation: 太阳能电池可以包括第一导电类型的衬底; 位于所述基板的前表面并具有不同于所述第一导电类型的第二导电类型的发射极区域; 位于与所述基板的前表面相对的后表面的背面场区域; 包括依次位于发射极区域上的多个层的前钝化区域; 包括依次位于所述背面场区域上的多个层的背面钝化区域; 前电极部分，其穿过前钝化区域并连接到发射极区域，其中前电极部分包括彼此分开的多个前电极和连接多个前电极的前汇流条; 背面电极部分，其穿过所述背部钝化区域并连接到所述背面场区域，其中所述背面电极部分包括彼此分开的多个背部电极和连接所述多个背面电极的后部母线， 其中所述前钝化区包括第一氧化铝层，所述后钝化区包括第二氧化铝层。

公开(公告)号：US20160111560A1

公开(公告)日：2016-04-21

申请号：US14974407

申请日：2015-12-18

Applicant: LG ELECTRONICS INC.

Inventor： Juhwa CHEONG ,  Yiyin YU ,  Youngsung YANG ,  Yongduk JIN ,  Manhyo HA ,  Seongeun LEE

IPC: H01L31/0216 ,  H01L31/0224 ,  H01L31/02

CPC classification number: H01L31/02167 ,  H01L31/02008 ,  H01L31/022425 ,  H01L31/022433 ,  Y02E10/50

Abstract: A solar cell is discussed. The solar cell includes a substrate of a first conductive type, an emitter region which is positioned at a front surface of the substrate and has a second conductive type different from the first conductive type, a front passivation region including a plurality of layers which are sequentially positioned on the emitter region, a back passivation region which is positioned on a back surface opposite the front surface of the substrate and includes three layers, a plurality of front electrodes which pass through the front passivation region and are connected to the emitter region, and at least one back electrode which passes through the back passivation region and is connected to the substrate.

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。