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1.
公开(公告)号:US20230215965A1
公开(公告)日:2023-07-06
申请号:US18181607
申请日:2023-03-10
发明人: Kazushige Yamamoto , Yukitami Mizuno , Yuya Honishi , Soichiro Shibasaki , Naoyuki Nakagawa , Yasutaka Nishida , Mutsuki Yamazaki
IPC分类号: H01L31/0687 , H01L31/0336
CPC分类号: H01L31/0687 , H01L31/0336
摘要: A solar cell according to an embodiment includes a p-electrode, a p-type light-absorbing layer containing a cuprous oxide or/and a complex oxide of cuprous oxides as a main component on the p-electrode, an n-type layer containing an oxide containing Ga on the p-type light-absorbing layer, and an n-electrode. A first region is included between the p-type light-absorbing layer and the n-type layer. The first region is a region from a depth of 2 nm from an interface between the p-type light-absorbing layer and the n-type layer toward the p-type light absorbing layer to a depth of 2 nm from the interface between the p-type light-absorbing layer and the n-type layer toward the n-type layer. Cu, Ga, M1, and O are contained in the first region. M1 is one or more elements selected from the group consisting of Sn, Sb, Ag, Li, Na, K, Cs, Rb, Al, In, Zn, Mg, Si, Ge, N, B, Ti, Hf, Zr, and Ca. A ratio of Cu, Ga, M1, and O is a1:b1:c1:d1. a1, b1, c1, and d1 satisfy 1.80≤a1≤2.20, 0.005≤b1≤0.05, 0≤c1≤0.20, and 0.60≤d1≤1.00.
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2.
公开(公告)号:US20230125003A1
公开(公告)日:2023-04-20
申请号:US17898512
申请日:2022-08-30
发明人: Naoyuki Nakagawa , Yukitami Mizuno , Soichiro Shibasaki , Yuya Honishi , Mutsuki Yamazaki , Yoshiko Hiraoka , Kazushige Yamamoto
IPC分类号: H01L31/032 , H01L31/0224 , H01L31/0725
摘要: A solar cell of an embodiment includes a p-electrode; an n-electrode; a p-type light-absorbing layer located between the p-electrode and the n-electrode and mainly containing a cuprous oxide; and an n-type layer located between the first n-type layer and the n-electrode, the n-type layer including a first n-type layer and a second n-type layer or a first n-type region and a second n-type region; wherein the first n-type layer and the first n-type region is located on the p-type light-absorbing layer side, the second n-type layer and the second n-type region is located on the n-electrode side, the first n-type layer and the first n-type region mainly contain a compound represented by Gax1M1x2Ox3, the M1 is one or more selected from the group consisting of Hf, Zr, In, Zn, Ti, Al, B, Sn, Si, and Ge, the x1, the x2, and the x3 are more than 0, and the x3 when a sum of the x1 and the x2 is 2 is 3.0 or more and 3.8 or less, the second n-type layer and the second n-type region mainly contain a compound represented by Gay1Zny2M2y3M3y4Oy5, the M2 is one or more selected from the group consisting of Hf, Zr, In, Ti, Al, B, Si, and Ge, the M3 is Sn or/and Mg, the y1, the y2, the y3, and the y4 are 0 or more, a sum of the y3 and the y4 is more than 0, and the y5 when a sum of the y1, the y2, the y3, and the y4 is 2 is 2.2 or more and 3.6 or less.
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3.
公开(公告)号:US20230086765A1
公开(公告)日:2023-03-23
申请号:US17898513
申请日:2022-08-30
发明人: Kazushige Yamamoto , Naoyuki Nakagawa , Yukitami Mizuno , Soichiro Shibasaki , Yuya Honishi , Mutsuki Yamazaki , Yasutaka Nishida
IPC分类号: H01L31/072
摘要: A solar cell of an embodiment includes a p-electrode, an n-electrode, a p-type light-absorbing layer located between the p-electrode and the n-electrode and mainly containing a cuprous oxide, and an n-type layer that includes a first n-type layer which is located between the p-type light-absorbing layer and the n-electrode, which mainly contains a compound represented by Gav1Znv2Snv3M1v4Ov5, the M1 being one or more selected from the group consisting of Hf, Zr, In, Ti, Al, B, Mg, Si, and Ge, the v1, the v2, and the v4 being numerical values of 0.00 or more, the v3 and the v5 being numerical values of more than 0, at least one of the v1 and the v2 being a numerical value of more than 0, and the v5 when a sum of the v1, the v2, the v3, and the v4 is 1 being 1.00 or more and 2.00 or less, and which is located on the n-electrode side, and a second n-type layer which is a layer that mainly contains a compound represented by Gaw1M2w2M3w3M4w4Ow5, the M2 being Al or/and B, the M3 is one or more selected from the group consisting of In, Ti, Zn, Hf, and Zr, the M4 being one or more selected from the group consisting of Sn, Si, and Ge, the w1 and the w5 being numerical values of more than 0, the w2, the w3, and the w4 being numerical values of 0.00 or more, and the w5 when a sum of the w1, the w2, the w3, and the w4 is 2 being 3.00 or more and 3.80 or less, and which is located on the p-type light-absorbing layer side.
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4.
公开(公告)号:US20230006087A1
公开(公告)日:2023-01-05
申请号:US17938990
申请日:2022-09-07
发明人: Soichiro Shibasaki , Yuya Honishi , Naoyuki Nakagawa , Mutsuki Yamazaki , Yukitami Mizuno , Yasutaka Nishida , Kazushige Yamamoto
IPC分类号: H01L31/072 , H01L31/0336 , H01L31/05
摘要: A solar cell of an embodiment includes a p-electrode, an n-electrode, a p-type light-absorbing layer located between the p-electrode and the n-electrode and mainly containing a cuprous oxide, and a first n-type layer which is located between the p-type light-absorbing layer and the n-electrode, which mainly contains a compound represented by Gax1M1x2M2x3M3x4M4x5Ox6, the M1 being Hf and/or Zr, the M2 being one or more selected from the group consisting of In, Ti, and Zn, the M3 being Al and/or B, the M4 is one or more selected from the group consisting of Sn, Si, and Ge, the x1, the x2, and the x6 being more than 0, the x3, the x4, and the x5 being 0 or more, and the x6 when a sum of the x1, the x2, the x3, the x4, and the x5 is 2 being 3.0 or more and 3.8 or less.
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公开(公告)号:US11205732B2
公开(公告)日:2021-12-21
申请号:US16691791
申请日:2019-11-22
发明人: Soichiro Shibasaki , Hiroki Hiraga , Hitomi Saito , Naoyuki Nakagawa , Mutsuki Yamazaki , Kazushige Yamamoto
IPC分类号: H01L31/043 , H01L31/05 , H01L25/04 , H01L31/0725 , H01L31/0224 , H01L31/0749 , H01L31/078 , H01L31/068
摘要: According to one embodiment, a multi-junction solar cell includes a first solar cell, a second solar cell, and an insulating layer. The first solar cell includes a first photoelectric conversion element. The second solar cell is connected in parallel with the first solar cell. The second solar cell includes multiple second photoelectric conversion elements connected in series. The insulating layer is provided between the first solar cell and the second solar cell. The second photoelectric conversion element includes a p-electrode and an n-electrode. The p-electrode is connected to a p+-region including a surface on a side opposite to a light incident surface. The n-electrode is connected to an n+-region including the surface on the side opposite to the light incident surface. The p-electrodes oppose each other or the n-electrodes oppose each other in a region where the multiple second photoelectric conversion elements are adjacent to each other.
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公开(公告)号:US11171253B2
公开(公告)日:2021-11-09
申请号:US15691984
申请日:2017-08-31
发明人: Soichiro Shibasaki , Miyuki Shiokawa , Sara Yoshio , Naoyuki Nakagawa , Yukitami Mizuno , Kohei Nakayama , Mutsuki Yamazaki , Yoshiko Hiraoka , Kazushige Yamamoto , Yuya Honishi , Takeshi Niimoto
IPC分类号: H01L31/054 , H01L31/046 , H01L31/0224 , H01L31/032
摘要: A solar cell of an embodiment includes: a first electrode; a second electrode; a light-absorbing layer interposed between the first electrode and the second electrode; a dot region interposed between the first electrode and the light-absorbing layer, the dot region including dots.
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公开(公告)号:US10573771B2
公开(公告)日:2020-02-25
申请号:US14854190
申请日:2015-09-15
发明人: Soichiro Shibasaki , Hiroki Hiraga , Hitomi Saito , Naoyuki Nakagawa , Mutsuki Yamazaki , Kazushige Yamamoto
IPC分类号: H01L31/043 , H01L31/05 , H01L31/0749 , H01L31/078 , H01L31/068
摘要: According to one embodiment, a multi-junction solar cell includes a first solar cell, a second solar cell, and an insulating layer. The first solar cell includes a first photoelectric conversion element. The second solar cell is connected in parallel with the first solar cell. The second solar cell includes multiple second photoelectric conversion elements connected in series. The insulating layer is provided between the first solar cell and the second solar cell. The second photoelectric conversion element includes a p-electrode and an n-electrode. The p-electrode is connected to a p+-region including a surface on a side opposite to a light incident surface. The n-electrode is connected to an n+-region including the surface on the side opposite to the light incident surface. The p-electrodes oppose each other or the n-electrodes oppose each other in a region where the multiple second photoelectric conversion elements are adjacent to each other.
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公开(公告)号:US20200006583A1
公开(公告)日:2020-01-02
申请号:US16563994
申请日:2019-09-09
IPC分类号: H01L31/0445 , H01L31/0687 , H01L31/0224 , H01L31/032 , H02S40/38
摘要: A solar cell of an embodiment includes: a p-electrode in which a first p-electrode and a second p-electrode are laminated; a p-type light-absorbing layer in direct contact with the first p-electrode; an n-type layer in direct contact with the p-type light-absorbing layer; and an n-electrode. The first p-electrode is disposed between the p-type light-absorbing layer and the second p-electrode. The p-type light-absorbing layer is disposed between the n-type layer and the first p-electrode. The n-type layer is disposed between the p-type light-absorbing layer and the n-electrode. The first p-electrode includes a metal oxide containing Sn as a main component.
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公开(公告)号:US20180151771A1
公开(公告)日:2018-05-31
申请号:US15878000
申请日:2018-01-23
发明人: Soichiro Shibasaki , Kazushige Yamamoto , Hiroki Hiraga , Naoyuki Nakagawa , Mutsuki Yamazaki , Shinya Sakurada , Michihiko Inaba , Hitomi Saito
IPC分类号: H01L31/0725 , H01L31/068 , H01L31/043
CPC分类号: H01L31/0725 , H01L31/043 , H01L31/0682 , Y02E10/547
摘要: A multi-junction solar cell of an embodiment includes a first solar cell including a first photoelectric conversion device, a second solar cell including a plurality of second photoelectric conversion devices connected in series and having a back contact, and an insulating layer between the first solar cell and the second solar cell. A device isolation region is provided between the second photoelectric conversion devices connected in series.
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公开(公告)号:US09666875B2
公开(公告)日:2017-05-30
申请号:US14259476
申请日:2014-04-23
发明人: Mei Wu , Tsuyoshi Kobayashi , Mutsuki Yamazaki , Yoshihiko Nakano
IPC分类号: H01M4/90 , C23C14/20 , H01M4/86 , H01M4/88 , H01M8/1004 , H01M4/92 , H01M8/1011
CPC分类号: H01M4/9083 , C23C14/205 , H01M4/8605 , H01M4/8814 , H01M4/8871 , H01M4/8878 , H01M4/9041 , H01M4/926 , H01M8/1004 , H01M8/1011 , H01M2250/30 , Y02B90/18 , Y02E60/523 , Y02P70/56
摘要: A catalyst-layer-supporting substrate comprising a substrate supporting a catalyst layer; wherein the catalyst layer comprises two or more porous catalyst metal particle layers that are superposed alternately with (i) two or more intersticed layers comprising at least one element selected from the group consisting of Mn, Fe, Co, Ni, Zn, Sn, Al, and Cu; or (ii) two or more fibrous carbon layers having interstices among fibers of the fibrous carbon. A method for forming a catalyst-layer-supporting structure that comprises porous catalyst metal particle by removing a pore-forming metal from a mixture layer containing a pore-forming metal and a catalyst metal.
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