公开(公告)号：US20240038910A1

公开(公告)日：2024-02-01

申请号：US18268565

申请日：2021-12-21

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yoshihide MIYAGAWA ,  Kazuhito FUKASAWA ,  Mikio HAMANO ,  Kyohei HORIGUCHI ,  Koji YAMAGUCHI

IPC: H01L31/0224 ,  H01L31/0749

CPC classification number: H01L31/022425 ,  H01L31/0749

Abstract: An electrode structure of a solar cell includes an electric conductor on a substrate side of a chalcogen solar cell, and a wiring element to be electrically connected with the electric conductor. The wiring element is stacked on and bonded with the electric conductor. The melting point of the wiring element is equal to or higher than 230° C., and the electric conductor in the region corresponding to the wiring element includes a part of the metal element of the wiring element.

公开(公告)号：US20240258442A1

公开(公告)日：2024-08-01

申请号：US18565280

申请日：2022-05-31

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Takato ISHIUCHI ,  Kyohei HORIGUCHI ,  Mikio HAMANO

IPC: H01L31/0224 ,  H01L31/0376

CPC classification number: H01L31/022433 ,  H01L31/022441 ,  H01L31/03762

Abstract: Provided is a photoelectric conversion element having high resistance to a temperature change. A photoelectric conversion element (10) comprises: a photoelectric conversion layer (26); an electrode layer (24) adjacent to the photoelectric conversion layer (26); and a collecting electrode (30) adjacent to the electrode layer (24). The collecting electrode (30) has a line-like first portion (31). Where L is a length of the first portion (31), W is a width of the first portion (31), and D is a thickness of the first portion (31), “D×L/W” is less than 2.5×103 μm.

公开(公告)号：US20240274730A1

公开(公告)日：2024-08-15

申请号：US18568268

申请日：2022-06-09

Applicant: IDEMITSU KOSAN Co.,LTD.

Inventor： Kyohei HORIGUCHI ,  Mikio HAMANO ,  Yoshihide MIYAGAWA

IPC: H01L31/0224 ,  H01L31/18

CPC classification number: H01L31/022425 ,  H01L31/1888

Abstract: A photoelectric conversion element includes: a back electrode layer formed on a substrate; a photoelectric conversion layer facing a light receiving surface side of the back electrode layer and containing a chalcogen semiconductor; and a current collector electrically connected to the light receiving surface side of the photoelectric conversion layer, in which a first region including an interface between the back electrode layer and the photoelectric conversion layer and a second region not including an interface between the back electrode layer and the photoelectric conversion layer are provided on the substrate, and a joined portion between the current collector and a wiring member is formed in the second region.

公开(公告)号：US20240405140A1

公开(公告)日：2024-12-05

申请号：US18697084

申请日：2022-09-29

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Kyohei HORIGUCHI ,  Motoshi NAKAMURA ,  Mikio HAMANO

IPC: H01L31/05 ,  B64G1/44 ,  H01L31/0392 ,  H01L31/18

Abstract: Provided is a photoelectric conversion module capable of improving bonding strength between photoelectric conversion elements adjacent to each other. The photoelectric conversion module (100) comprises a first photoelectric conversion element (10a) including a collector electrode (30a) and a second photoelectric conversion element (10b) including a conductive substrate (20b). The first photoelectric conversion element (10a) and the second photoelectric conversion element (10b) are arranged side by side so as to partially overlap each other. The photoelectric conversion module comprises a conductor (200) electrically connecting the collector electrode (30a) of the first photoelectric conversion element (10a) and the conductive substrate (20b) of the second photoelectric conversion element (10b) to each other. The conductor (200) is provided from a region of the collector electrode (30a) of the first photoelectric conversion element (10a) to a region outside the collector electrode (30a).

公开(公告)号：US20240290896A1

公开(公告)日：2024-08-29

申请号：US18574096

申请日：2022-06-20

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Mikio HAMANO ,  Kyohei HORIGUCHI ,  Takato ISHIUCHI

IPC: H01L31/0224

CPC classification number: H01L31/022433 ,  H01L31/022466 ,  H01L31/022475 ,  H01L31/022483

Abstract: Provided is a photoelectric conversion element capable of suppressing a decrease in strength. A photoelectric conversion element comprises: a photoelectric conversion layer (26); an electrode layer (24) adjacent to the photoelectric conversion layer; a collecting electrode (30) adjacent to the electrode layer; and a conductor (50) joined to the collecting electrode. The thickness of the collecting electrode (30) at least at a joint portion between the collecting electrode (30) and the conductor (50) is 4 μm or more.

公开(公告)号：US20250011010A1

公开(公告)日：2025-01-09

申请号：US18705510

申请日：2022-10-21

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Kyohei HORIGUCHI ,  Mikio HAMANO ,  Motoshi NAKAMURA

IPC: B64G1/44 ,  H01L31/043 ,  H01L31/05 ,  H01L31/18

Abstract: Provided is a photoelectric conversion module capable of connecting photoelectric conversion elements with stable connection strength. The photoelectric conversion module (100) comprises a first photoelectric conversion element (10a), a second photoelectric conversion element (10b) and a connector (200). The first photoelectric conversion element (10a) and the second photoelectric conversion element (10b) are arranged side by side so as to partially overlap each other. The connector (200) is connected to the first photoelectric conversion element (10a) at a first connection portion (210). The connector (200) is connected to the second photoelectric conversion element (10b) at a second connection portion (10b) away from the first connection portion (10a).

公开(公告)号：US20240047586A1

公开(公告)日：2024-02-08

申请号：US18268561

申请日：2021-12-21

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yoshihide MIYAGAWA ,  Kazuhito FUKASAWA ,  Mikio HAMANO ,  Kyohei HORIGUCHI ,  Koji YAMAGUCHI

IPC: H01L31/02 ,  H01L31/0224

CPC classification number: H01L31/02013 ,  H01L31/022425 ,  H01L31/0749

Abstract: An electrode structure of a solar cell includes an electric conductor on a substrate side of a chalcogen solar cell, and a wiring element to be electrically connected with the electric conductor. The wiring element is stacked on and bonded with the electric conductor. The wiring element and the electric conductor each contain a group VI element. In a stacked direction of the electric conductor and the wiring element, a peak of a concentration distribution of the group VI element is shifted from an interface between the electric conductor and the wiring element.

公开(公告)号：US20210028322A1

公开(公告)日：2021-01-28

申请号：US16647160

申请日：2018-09-04

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Nobutaka YONEYAMA ,  Mikio HAMANO ,  Yoshihide MIYAGAWA ,  Toshiaki YAMAURA ,  Manabu TANAKA ,  Akihiko ASANO

IPC: H01L31/0224 ,  H01L31/18

Abstract: A photoelectric conversion module (10) comprises a photoelectric conversion cell (12) including a first electrode layer (22), a second electrode layer (24), and a photoelectric conversion layer (26); and a plurality of grid electrodes (31). At least one of the first electrode layer and the second electrode layer is a transparent electrode layer. The transparent electrode layer includes a first region and a second region. The second region has sheet resistance smaller than sheet resistance in the first region, a film thickness larger than a film thickness in the first region, or transmittance smaller than transmittance in the first region. An interval between the grid electrodes adjacent to each other in the first direction in the first region is smaller than an interval between the grid electrodes adjacent to each other in the first direction in the second region.

公开(公告)号：US20200279958A1

公开(公告)日：2020-09-03

申请号：US16646948

申请日：2018-09-04

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Nobutaka YONEYAMA ,  Mikio HAMANO ,  Yoshihide MIYAGAWA ,  Toshiaki YAMAURA ,  Akihiko ASANO ,  Manabu TANAKA

IPC: H01L31/0224 ,  H01L31/0352 ,  H01L31/18

Abstract: A photoelectric conversion module (10) comprises a photoelectric conversion cell (12) and a grid electrode (31) provided in the photoelectric conversion cell (12) on a substrate. The photoelectric conversion cell (12) includes a first electrode layer (22), a second electrode layer (24), a photoelectric conversion layer (26) between the first electrode layer (22) and the second electrode layer (24). The second electrode layer (24) is formed of a transparent electrode layer located on opposite side of the photoelectric conversion layer (26) to the substrate (20). The grid electrode (31) is provided between the photoelectric conversion layer (26) and the transparent electrode layer.