公开(公告)号：US20190355860A1

公开(公告)日：2019-11-21

申请号：US16530701

申请日：2019-08-02

Applicant: LG ELECTRONICS INC.

Inventor： Hyungseok KIM ,  Kwangsun JI ,  Youngjoo EO ,  Heonmin LEE ,  Choul KIM ,  Hojung SYN ,  Wonseok CHOI ,  Kihoon PARK ,  Junghoon CHOI ,  Hyunjin YANG

IPC: H01L31/0747 ,  H01L31/0216

Abstract: A solar cell can include a single crystalline semiconductor substrate; an emitter region positioned on an incident surface of the substrate, forming a p-n junction with the single crystalline semiconductor substrate; a first passivation layer positioned on a rear surface of the substrate and made of an oxide material; a back surface field layer positioned on the first passivation layer and forming a hetero junction with the single crystalline semiconductor substrate; a first electrode electrically connected to the emitter region; and a second electrode electrically connected to the single crystalline semiconductor substrate

公开(公告)号：US20170084759A1

公开(公告)日：2017-03-23

申请号：US15367811

申请日：2016-12-02

Applicant: LG ELECTRONICS INC.

Inventor： Wonseok CHOI ,  Kwangsun JI ,  Heonmin LEE ,  Hojung SYN ,  Junghoon CHOI ,  Hyunjin YANG

IPC: H01L31/0216 ,  H01L31/18 ,  H01L31/0288 ,  H01L31/068 ,  H01L31/0236

CPC classification number: H01L31/02167 ,  H01L31/02168 ,  H01L31/022425 ,  H01L31/022441 ,  H01L31/02366 ,  H01L31/0288 ,  H01L31/03529 ,  H01L31/0368 ,  H01L31/0376 ,  H01L31/068 ,  H01L31/0682 ,  H01L31/072 ,  H01L31/0747 ,  H01L31/1804 ,  Y02E10/547

Abstract: A solar cell is discussed. The solar cell includes a silicon substrate; a front passivation layer positioned on a front surface of the silicon substrate; an n-doped layer positioned on the front surface of the silicon substrate; an anti-reflection layer positioned on the n-doped layer; a p-doped region positioned on a rear surface of the silicon substrate; an n-doped region positioned on the rear surface of the silicon substrate and spaced apart from the p-doped region; a rear passivation layer positioned on the rear surface of the silicon substrate, the rear passivation layer including: a first portion positioned between the p-doped region and the silicon substrate; a second portion positioned between the n-doped region and the silicon substrate, the second portion being space apart from the first potion; and a third portion disposed between the first portion and the second portion; a first electrode directly contacted to the p-doped region; and a second electrode directly contacted to the n-doped region.

公开(公告)号：US20150303319A1

公开(公告)日：2015-10-22

申请号：US14754370

申请日：2015-06-29

Applicant: LG ELECTRONICS INC.

Inventor： Hojung SYN ,  Hyunjin YANG ,  Junghoon CHOI ,  Youngjoo EO

IPC: H01L31/0216 ,  H01L31/0224 ,  H01L31/20

CPC classification number: H01L31/02167 ,  H01L31/02168 ,  H01L31/022441 ,  H01L31/022466 ,  H01L31/0747 ,  H01L31/202 ,  Y02E10/50 ,  Y02E10/52

Abstract: A back contact solar cell and a method for manufacturing the back contact solar cell are discussed. The back contact solar cell includes a substrate made of crystalline silicon having a first conductivity type, a passivation layer on one side of the substrate, an antireflection layer on the passivation layer, a first electrode on the other side of the substrate, a second electrode on the other side of the substrate and separated from the first electrode, a first semiconductor layer disposed between the first electrode and the substrate and having the first conductivity type, and a second semiconductor layer disposed between the second electrode and the substrate and having a second conductivity type that is opposite to the first conductivity type. The passivation layer includes at least one of amorphous silicon oxide and amorphous silicon carbide.

Abstract translation: 讨论了背接触太阳能电池和背接触太阳能电池的制造方法。 背接触太阳能电池包括由基底导电类型的晶体硅构成的衬底，衬底一侧上的钝化层，钝化层上的抗反射层，衬底另一侧的第一电极，第二电极 在所述基板的另一侧并且与所述第一电极分离，设置在所述第一电极和所述基板之间并且具有所述第一导电类型的第一半导体层，以及设置在所述第二电极和所述基板之间的第二半导体层， 导电类型与第一导电类型相反。 钝化层包括非晶硅氧化物和非晶碳化硅中的至少一种。

公开(公告)号：US20170018663A1

公开(公告)日：2017-01-19

申请号：US15276884

申请日：2016-09-27

Applicant: LG ELECTRONICS INC.

Inventor： Wonseok CHOI ,  Kwangsun JI ,  Heonmin LEE ,  Hojung SYN ,  Junghoon CHOI ,  Hyunjin YANG

IPC: H01L31/0216 ,  H01L31/072 ,  H01L31/0368 ,  H01L31/0224 ,  H01L31/0376

CPC classification number: H01L31/02167 ,  H01L31/02168 ,  H01L31/022425 ,  H01L31/022441 ,  H01L31/02366 ,  H01L31/0288 ,  H01L31/03529 ,  H01L31/0368 ,  H01L31/0376 ,  H01L31/068 ,  H01L31/0682 ,  H01L31/072 ,  H01L31/0747 ,  H01L31/1804 ,  Y02E10/547

Abstract: A solar cell includes a substrate; a first passivation layer on a first surface of the substrate; a first field region on the first surface of the substrate; an anti-reflection layer on the first passivation layer; a second passivation layer on a second surface of the substrate; an emitter region on the second passivation layer, the emitter region forming a p-n junction and a hetero-junction junction with the substrate; a second field region on the second passivation layer, the second field region forming a hetero-junction with the substrate; a first electrode contacted to the emitter region; a second electrode contacted to the second field region; a spacing between the emitter region and the second field region; and a third passivation layer on the second surface of the substrate at the spacing.

Abstract translation: 太阳能电池包括基板; 在所述基板的第一表面上的第一钝化层; 在所述基板的第一表面上的第一场区; 在第一钝化层上的抗反射层; 在所述衬底的第二表面上的第二钝化层; 在所述第二钝化层上的发射极区域，所述发射极区域与所述衬底形成p-n结和异质结结; 在所述第二钝化层上的第二场区，所述第二场区与所述衬底形成异质结; 与发射极区域接触的第一电极; 与第二场区接触的第二电极; 发射极区域和第二场区域之间的间隔; 以及在所述基板的所述第二表面上的间隔处的第三钝化层。

公开(公告)号：US20150263188A1

公开(公告)日：2015-09-17

申请号：US14720527

申请日：2015-05-22

Applicant: LG ELECTRONICS INC.

Inventor： Wonseok CHOI ,  Kwangsun JI ,  Heonmin LEE ,  Hojung SYN ,  Junghoon CHOI ,  Hyunjin YANG

IPC: H01L31/0216 ,  H01L31/0224

CPC classification number: H01L31/02167 ,  H01L31/02168 ,  H01L31/022425 ,  H01L31/022441 ,  H01L31/02366 ,  H01L31/0288 ,  H01L31/03529 ,  H01L31/0368 ,  H01L31/0376 ,  H01L31/068 ,  H01L31/0682 ,  H01L31/072 ,  H01L31/0747 ,  H01L31/1804 ,  Y02E10/547

Abstract: A solar cell is discussed, and includes a substrate; a first field region; a first electrode directly formed on an emitter region; and a second electrode directly formed on a second field region, wherein a second passivation layer comprises a first back passivation portion and a second back passivation portion. Furthermore, the first back passivation portion is merely positioned between the emitter region and the substrate and the second field region and the substrate, and the second back passivation portion is positioned between the emitter region and the second field region, and wherein the first back passivation portion positioned between the emitter region and the substrate is physically separated from first back passivation portion positioned between the second field region and the substrate.

Abstract translation: 讨论了太阳能电池，并且包括基板; 第一场地; 直接形成在发射极区域上的第一电极; 以及直接形成在第二场区上的第二电极，其中第二钝化层包括第一后​​钝化部分和第二后钝化部分。 此外，第一背面钝化部分仅位于发射极区域和衬底之间，并且第二场区域和衬底之间，并且第二背部钝化部分位于发射极区域和第二场区域之间，并且其中第一背面钝化部分 位于发射极区域和衬底之间的部分与位于第二场区域和衬底之间的第一背面钝化部分物理分离。