公开(公告)号：US20150270420A1

公开(公告)日：2015-09-24

申请号：US14733041

申请日：2015-06-08

Applicant: LG ELECTRONICS INC.

Inventor： Jinah KIM ,  Jonghwan KIM ,  Younghyun LEE ,  Ilhyoung JUNG ,  Seongeun LEE ,  Jeongbeom NAM ,  Minho CHOI ,  Sungjin KIM ,  Juhwan YUN

IPC: H01L31/0224

CPC classification number: H01L31/022433 ,  H01L31/02168 ,  H01L31/022425 ,  H01L31/068 ,  Y02E10/547

Abstract: A solar cell can include a substrate of a first conductive type; an emitter layer of a second conductive type opposite the first conductive type, and positioned on the substrate; a plurality of finger electrodes formed in a first direction, each finger electrode being electrically connected to the emitter layer; a plurality of first collector regions; a plurality of first electrodes positioned in a plurality of first collector regions and extending in the first direction from the plurality of finger electrodes; a plurality of second electrodes positioned in the plurality of first collector regions and formed in a perpendicular direction crossing the first direction; a plurality of third electrodes positioned in the plurality of first collector regions, connecting two neighboring first electrodes of the plurality of first electrodes and formed in the perpendicular direction; and a plurality of deletions positioned in the plurality of first collector regions. Furthermore, one of the plurality of second electrodes is positioned between a pair of the plurality of first electrodes.

Abstract translation: 太阳能电池可以包括第一导电类型的衬底; 与第一导电类型相对的第二导电类型的发射极层，并位于基板上; 形成在第一方向上的多个指状电极，每个指状电极电连接到发射极层; 多个第一集电区; 多个第一电极，位于多个第一集电区域中，并从多个指状电极沿第一方向延伸; 多个第二电极，位于所述多个第一集电区域中并且沿与所述第一方向交叉的垂直方向形成; 多个第三电极，位于所述多个第一集电区域中，连接所述多个第一电极的两个相邻的第一电极并沿垂直方向形成; 以及定位在所述多个第一收集器区域中的多个缺失。 此外，多个第二电极中的一个位于一对多个第一电极之间。

公开(公告)号：US20190259904A1

公开(公告)日：2019-08-22

申请号：US16404102

申请日：2019-05-06

Applicant: LG Electronics Inc.

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

IPC: H01L31/18 ,  H01L31/0224

Abstract: A solar cell includes a photoelectric conversion layer; and a front electrode on the photoelectric conversion layer, wherein the front electrode includes a plurality of first finger electrodes; a plurality of second finger electrodes; a bus electrode directly connected to at least one of the plurality of first finger electrodes; a plurality of connecting electrodes connected to the plurality of second finger electrodes, the plurality of connecting electrodes forming at least one space therebetween; and an auxiliary electrode formed at the at least one space, wherein the auxiliary electrode connects at least two connecting electrodes of the plurality of connecting electrodes.

公开(公告)号：US20180204965A1

公开(公告)日：2018-07-19

申请号：US15918496

申请日：2018-03-12

Applicant: LG ELECTRONICS INC.

Inventor： Jinah KIM ,  Jonghwan KIM ,  Younghyun LEE ,  Ilhyoung JUNG ,  Seongeun LEE ,  Jeongbeom NAM ,  Minho CHOI ,  Sungjin KIM ,  Juhwan YUN

IPC: H01L31/0224 ,  H01L31/068 ,  H01L31/0216

CPC classification number: H01L31/022433 ,  H01L31/02168 ,  H01L31/022425 ,  H01L31/068 ,  Y02E10/547

Abstract: A solar cell module includes a plurality of solar cells comprising a first solar cell and a second solar cell adjacent to each other, a conductive ribbon electrically connecting the first solar cell and the second solar cell, a front member positioned on a front surface of the plurality of solar cells, a back member positioned on a back surface of the plurality of solar cells, a first protection film positioned between the front member and the plurality of solar cells, and a second protection film positioned between the back member and the plurality of solar cells.

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：US20170256670A1

公开(公告)日：2017-09-07

申请号：US15601370

申请日：2017-05-22

Applicant: LG ELECTRONICS INC.

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

IPC: H01L31/18 ,  H01L31/0224

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

Abstract: A solar cell includes a photoelectric conversion layer; and a front electrode on the photoelectric conversion layer, wherein the front electrode includes a plurality of first finger electrodes; a plurality of second finger electrodes; a bus electrode directly connected to at least one of the plurality of first finger electrodes; a plurality of connecting electrodes connected to the plurality of second finger electrodes, the plurality of connecting electrodes forming at least one space therebetween; and an auxiliary electrode formed at the at least one space, wherein the auxiliary electrode connects at least two connecting electrodes of the plurality of connecting electrodes.

公开(公告)号：US20170018665A1

公开(公告)日：2017-01-19

申请号：US15276916

申请日：2016-09-27

Applicant: LG ELECTRONICS INC.

Inventor： Jinah KIM ,  Jonghwan KIM ,  Younghyun LEE ,  IIhyoung JUNG ,  Seongeun LEE ,  Jeongbeom NAM ,  Minho CHOI ,  Sungjin KIM ,  Juhwan YUN

IPC: H01L31/0224 ,  H01L31/0216 ,  H01L31/068

CPC classification number: H01L31/022433 ,  H01L31/02168 ,  H01L31/022425 ,  H01L31/068 ,  Y02E10/547

Abstract: A solar cell module includes a plurality of solar cells comprising a first solar cell and a second solar cell adjacent to each other; a conductive ribbon, wherein each of the plurality of solar cells comprises: a substrate; an emitter layer of positioned on the substrate; a plurality of finger electrodes formed in a first direction, each finger electrode being electrically connected to the emitter layer; and at least one first collector formed in a second direction crossing the first direction, the at least one first collector being electrically connected to the plurality of finger electrodes, wherein the conductive ribbon is attached to the at least one first collector in the second direction by a conductive adhesive, and wherein the conductive ribbon is attached on a collector region where the at least one first collector is formed and a deletion where the at least one first collector is not formed.

Abstract translation: 太阳能电池模块包括多个太阳能电池，包括彼此相邻的第一太阳能电池和第二太阳能电池; 导电带，其中所述多个太阳能电池中的每一个包括：基板; 位于所述基板上的发射极层; 形成在第一方向上的多个指状电极，每个指状电极电连接到发射极层; 以及沿与所述第一方向交叉的第二方向形成的至少一个第一集电器，所述至少一个第一集电器电连接到所述多个指状电极，其中所述导电带通过所述第二方向附接到所述至少一个第一集电器， 导电粘合剂，并且其中所述导电带附接在其上形成有所述至少一个第一集电体的集电极区域上，并且其中未形成所述至少一个第一集电极的缺失。

公开(公告)号：US20150236176A1

公开(公告)日：2015-08-20

申请号：US14700451

申请日：2015-04-30

Applicant: LG ELECTRONICS INC.

Inventor： Kyoungsoo LEE ,  Seongeun LEE

IPC: H01L31/0376

CPC classification number: H01L31/0376 ,  H01L25/042 ,  H01L27/142 ,  H01L31/022425 ,  H01L31/04 ,  H01L31/06 ,  H01L31/068 ,  H01L31/0682 ,  H01L31/18 ,  H01L31/1804 ,  H01L31/1876 ,  H01L2924/0002 ,  Y02E10/547 ,  Y02P70/521 ,  H01L2924/00

Abstract: A method for manufacturing a solar cell according to an embodiment of the present invention includes preparing a semiconductor substrate having a first conductivity type dopant; ion-implanting a pre-amorphization elements into a front surface of the semiconductor substrate to form an amorphous layer; and forming an emitter layer by ion-implanting second conductivity type dopant into the front surface of the semiconductor substrate. The method then further includes heat-treating the layers to activate the second conductivity type dopant. The method further includes forming a back surface field layer at a back surface of the semiconductor substrate by ion-implanting a first conductivity type dopant.

Abstract translation: 根据本发明实施例的太阳能电池的制造方法包括制备具有第一导电型掺杂剂的半导体衬底; 将前非晶化元件离子注入半导体衬底的前表面以形成非晶层; 以及通过将第二导电型掺杂剂离子注入到所述半导体衬底的前表面中形成发射极层。 然后该方法还包括热处理层以激活第二导电型掺杂剂。 该方法还包括通过离子注入第一导电型掺杂剂在半导体衬底的背面形成背表面场层。

公开(公告)号：US20140065757A1

公开(公告)日：2014-03-06

申请号：US13890931

申请日：2013-05-09

Applicant: LG Electronics Inc.

Inventor： Mann YI ,  Jeonghyo KWON ,  Seongeun LEE ,  Taeyoung KWON

IPC: H01L31/0236

CPC classification number: H01L31/0236 ,  H01L21/02054 ,  H01L31/02167 ,  H01L31/02168 ,  H01L31/02363 ,  H01L31/068 ,  Y02E10/52 ,  Y02E10/547

Abstract: A method for manufacturing a solar cell includes performing a dry etching process to form a textured surface including a plurality of minute protrusions on a first surface of a semiconductor substrate, performing a first cleansing process for removing damaged portions of surfaces of the minute protrusions using a basic chemical and removing impurities adsorbed on the surfaces of the minute protrusions, performing a second cleansing process for removing impurities remaining or again adsorbed on the surfaces of the minute protrusions using an acid chemical after performing the first cleansing process, and forming an emitter region at the first surface of the semiconductor substrate.

Abstract translation: 一种制造太阳能电池的方法包括：在半导体衬底的第一表面上进行干蚀刻工艺以形成包括多个微小突起的纹理化表面，使用第一清洁工艺去除微小突起的损伤部分， 基本化学和去除吸附在微小突起表面上的杂质，进行第二次清洁处理，以在第一次清洁处理之后，使用酸性化学品除去残留或再次吸附在微小突起的表面上的杂质，以及形成发射极区域 半导体衬底的第一表面。

公开(公告)号：US20190198685A1

公开(公告)日：2019-06-27

申请号：US16290233

申请日：2019-03-01

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 front passivation region including a plurality of layers formed of different materials from each other and including a first aluminum oxide layer and a first silicon nitride layer, and a back passivation region including a plurality of layers formed of different materials from each other and including a second aluminum oxide layer and a second silicon nitride layer, wherein a thickness of a first silicon nitride layer is greater than a thickness of the first aluminum oxide layer, and a thickness of a second silicon nitride layer is greater than a thickness of the second aluminum oxide layer.