公开(公告)号：US10276737B2

公开(公告)日：2019-04-30

申请号：US15159430

申请日：2016-05-19

Applicant: LG ELECTRONICS INC.

Inventor： Seunghwan Shim ,  Ilhyoung Jung ,  Jinah Kim ,  Hwanyeon Kim

IPC: H01L31/05 ,  H01L31/0224 ,  H01L31/0747 ,  H01L31/068

Abstract: A solar cell and a solar cell module are disclosed. The solar cell includes a semiconductor substrate containing a crystalline silicon material, a first conductive region on a back surface of the semiconductor substrate, a second conductive region positioned in a portion except the first conductive region from the back surface of the semiconductor substrate and having a conductive type opposite the first conductive region, a first electrode connected to the first conductive region, and a second electrode connected to the second conductive region. The back surface of the semiconductor substrate is divided into a first area extending in one direction at an edge of the entire back surface of the semiconductor substrate and a second area occupying a portion except the first area from the entire back surface of the semiconductor substrate.

公开(公告)号：US09991401B2

公开(公告)日：2018-06-05

申请号：US14680882

申请日：2015-04-07

Applicant: LG ELECTRONICS INC.

Inventor： Kisu Kim ,  Giwon Lee ,  Ilhyoung Jung ,  Jeongbeom Nam

IPC: H01L31/0224 ,  H01L31/05 ,  H01L31/0745 ,  H01L31/0747

CPC classification number: H01L31/022425 ,  H01L31/022441 ,  H01L31/0516 ,  H01L31/0745 ,  H01L31/0747 ,  Y02E10/50

Abstract: A solar cell is discussed. A solar cell includes a semiconductor substrate, a conductive type region on one surface of the semiconductor substrate, and an electrode connected to the conductive type region. The electrode includes an electrode layer on the conductive type region and a printed electrode layer on the electrode layer.

公开(公告)号：US10290765B2

公开(公告)日：2019-05-14

申请号：US15224015

申请日：2016-07-29

Applicant: LG ELECTRONICS INC.

Inventor： Jinah Kim ,  Ilhyoung Jung ,  Seunghwan Shim

IPC: H01L31/18 ,  H01L31/0224 ,  H01L31/068 ,  H01L31/0747

Abstract: A solar cell and a method for manufacturing the solar cell are discussed. The method for manufacturing the solar cell includes applying an electrode paste on a semiconductor substrate and sintering the electrode paste using a light sintering device to form an electrode. The electrode paste includes fine metal particles, a binder, and a solvent. An amount of the fine metal particles is greater than a sum of an amount of the binder and an amount of the solvent, and the amount of the binder is greater than the amount of the solvent.

公开(公告)号：US10263127B2

公开(公告)日：2019-04-16

申请号：US15947240

申请日：2018-04-06

Applicant: LG ELECTRONICS INC.

Inventor： Kisu Kim ,  Giwon Lee ,  Ilhyoung Jung ,  Jeongbeom Nam

IPC: H01L31/0224 ,  H01L31/0747 ,  H01L31/05 ,  H01L31/0745

Abstract: A method for manufacturing a solar cell includes forming a conductive type region on one surface of a semiconductor substrate, and forming an electrode on the conductive type region, wherein the forming of the electrode includes forming a metal layer on an entire area of the conductive type region, forming a printed electrode layer having a pattern on the electrode layer, and forming an electrode layer between the conductive type region and the printed electrode layer, wherein the forming of the electrode layer includes patterning the metal layer by using the printed electrode layer as a mask.

公开(公告)号：US10181534B2

公开(公告)日：2019-01-15

申请号：US14659053

申请日：2015-03-16

Applicant: LG ELECTRONICS INC.

Inventor： Indo Chung ,  Seunghwan Shim ,  Ilhyoung Jung ,  Jeongbeom Nam

IPC: H01L31/0224 ,  H01L31/0216 ,  H01L31/068 ,  H01L31/0747 ,  H01L31/18

Abstract: Discussed is a solar cell includes a semiconductor substrate, a conductive type region including a first conductive type region and a second conductive type region formed on one surface of the semiconductor substrate, an electrode including a first electrode and a second electrode, wherein the first electrode is connected to the first conductive type region and the second electrode is connected to the second conductive type region, and a passivation layer formed on the conductive type region. The passivation layer includes at least one of silicon nitride and silicon carbide.

公开(公告)号：US09412885B2

公开(公告)日：2016-08-09

申请号：US14861789

申请日：2015-09-22

Applicant: LG ELECTRONICS INC.

Inventor： Juhong Yang ,  Jinah Kim ,  Jeongbeom Nam ,  Dohwan Yang ,  Indo Chung ,  Ilhyoung Jung ,  Hyungjin Kwon

IPC: H01L31/0236 ,  H01L31/068 ,  H01L31/0216 ,  H01L31/18 ,  H01L31/0368 ,  H01L31/0352

CPC classification number: H01L31/02168 ,  H01L31/02363 ,  H01L31/02366 ,  H01L31/035272 ,  H01L31/03682 ,  H01L31/068 ,  H01L31/182 ,  Y02E10/546 ,  Y02E10/547

Abstract: A solar cell can include a substrate of a first conductive type; an emitter region of a second conductive type opposite the first conductive type and which forms a p-n junction along with the substrate; an anti-reflection layer positioned on the emitter region; a front electrode part electrically connected to the emitter region; and a back electrode part electrically connected to the substrate, wherein the substrate including a first area formed of single crystal silicon and a second area formed of polycrystalline silicon, wherein a thickness of the anti-reflection layer positioned on the first area is less than a thickness of the anti-reflection layer positioned on the second area, wherein a roughness of an incident surface of the substrate in the first area is different from a roughness of the incident surface of the substrate in the second area, and wherein the emitter region is entirely formed on the incident surface of the substrate.

Abstract translation: 太阳能电池可以包括第一导电类型的衬底; 与第一导电类型相反并且与衬底一起形成p-n结的第二导电类型的发射极区域; 位于发射极区域上的防反射层; 电连接到发射极区域的前电极部分; 以及电连接到所述基板的背面电极部，其中，所述基板包括由单晶硅形成的第一区域和由多晶硅形成的第二区域，其中位于所述第一区域上的所述防反射层的厚度小于 位于第二区域的防反射层的厚度，其中第一区域中的基板的入射表面的粗糙度不同于第二区域中的基板的入射表面的粗糙度，并且其中发射极区域 完全形成在基板的入射表面上。

公开(公告)号：US10147828B2

公开(公告)日：2018-12-04

申请号：US15198212

申请日：2016-06-30

Applicant: LG Electronics Inc.

Inventor： Indo Chung ,  Taehee Shin ,  Ilhyoung Jung ,  Jinah Kim

IPC: H01L31/0352 ,  H01L31/068 ,  H01L31/18

Abstract: A solar cell includes a semiconductor substrate having a first conductivity type, an emitter layer on a surface of the semiconductor substrate, the emitter layer having a second conductivity type different from the first conductivity type, and electrodes including a first electrode electrically connected to the emitter layer, and a second electrode electrically connected to the semiconductor substrate. The emitter layer includes a high-concentration doping portion adjacent to the first electrode, and a low-concentration doping portion in a region that does not include the high-concentration doping portion. The low-concentration doping portion has a higher resistance than the high-concentration doping portion. The high-concentration doping portion includes a first region having a first resistance, and a second region having a second resistance higher than the first resistance.

公开(公告)号：US20160380138A1

公开(公告)日：2016-12-29

申请号：US15198212

申请日：2016-06-30

Applicant: LG Electronics Inc.

Inventor： Indo Chung ,  Taehee Shin ,  Ilhyoung Jung ,  Jinah Kim

IPC: H01L31/0352 ,  H01L31/068 ,  H01L31/18

CPC classification number: H01L31/035272 ,  H01L31/068 ,  H01L31/1804 ,  H01L31/1864 ,  Y02E10/547 ,  Y02P70/521

Abstract: A solar cell includes a semiconductor substrate having a first conductivity type, an emitter layer on a surface of the semiconductor substrate, the emitter layer having a second conductivity type different from the first conductivity type, and electrodes including a first electrode electrically connected to the emitter layer, and a second electrode electrically connected to the semiconductor substrate. The emitter layer includes a high-concentration doping portion adjacent to the first electrode, and a low-concentration doping portion in a region that does not include the high-concentration doping portion. The low-concentration doping portion has a higher resistance than the high-concentration doping portion. The high-concentration doping portion includes a first region having a first resistance, and a second region having a second resistance higher than the first resistance.

公开(公告)号：US09349884B2

公开(公告)日：2016-05-24

申请号：US13779025

申请日：2013-02-27

Applicant: LG ELECTRONICS INC.

Inventor： Juhong Yang ,  Dohwan Yang ,  Ilhyoung Jung ,  Jinah Kim

IPC: H01L31/0224 ,  H01L31/056 ,  H01L31/0216 ,  H01L31/068

CPC classification number: H01L31/022458 ,  H01L31/02167 ,  H01L31/022425 ,  H01L31/056 ,  H01L31/068 ,  Y02E10/52 ,  Y02E10/547

Abstract: A solar cell includes a substrate, an emitter region positioned at a first surface of the substrate, a first electrode positioned on the first surface of the substrate, a back passivation layer positioned on a second surface opposite the first surface of the substrate, and a second electrode which is positioned on the back passivation layer and is electrically connected to the substrate through holes of the back passivation layer. The second electrode includes connection electrodes positioned inside the holes of the back passivation layer and a back electrode layer positioned on the connection electrodes and the back passivation layer. An adhesion enhanced layer is positioned between the back electrode layer and the back passivation layer and contains at least one of intrinsic amorphous silicon and intrinsic microcrystalline silicon.

Abstract translation: 太阳能电池包括衬底，位于衬底的第一表面处的发射极区域，位于衬底的第一表面上的第一电极，位于与衬底的第一表面相对的第二表面上的背面钝化层，以及 第二电极位于背部钝化层上，并且通过背面钝化层的孔与基板电连接。 第二电极包括位于背面钝化层的孔内的连接电极和位于连接电极和背面钝化层上的背面电极层。 粘合增强层位于背电极层和背部钝化层之间，并且包含本征非晶硅和本征微晶硅中的至少一种。

公开(公告)号：US20130327381A1

公开(公告)日：2013-12-12

申请号：US13886813

申请日：2013-05-03

Applicant: LG Electronics Inc.

Inventor： Indo Chung ,  Taehee Shin ,  Ilhyoung Jung ,  Jinah Kim

IPC: H01L31/0352

CPC classification number: H01L31/035272 ,  H01L31/068 ,  H01L31/1804 ,  H01L31/1864 ,  Y02E10/547 ,  Y02P70/521

Abstract: A solar cell includes a semiconductor substrate having a first conductivity type, an emitter layer on a surface of the semiconductor substrate, the emitter layer having a second conductivity type different from the first conductivity type, and electrodes including a first electrode electrically connected to the emitter layer, and a second electrode electrically connected to the semiconductor substrate. The emitter layer includes a high-concentration doping portion adjacent to the first electrode, and a low-concentration doping portion in a region that does not include the high-concentration doping portion. The low-concentration doping portion has a higher resistance than the high-concentration doping portion. The high-concentration doping portion includes a first region having a first resistance, and a second region having a second resistance higher than the first resistance.

Abstract translation: 太阳能电池包括具有第一导电类型的半导体衬底，在半导体衬底的表面上的发射极层，具有不同于第一导电类型的第二导电类型的发射极层，以及包括电连接到发射极的第一电极的电极 层和与半导体衬底电连接的第二电极。 发射极层包括与第一电极相邻的高浓度掺杂部分和不包括高浓度掺杂部分的区域中的低浓度掺杂部分。 低浓度掺杂部分具有比高浓度掺杂部分更高的电阻。 高浓度掺杂部分包括具有第一电阻的第一区域和具有高于第一电阻的第二电阻的第二区域。