Solar cell, multi-junction solar cell, solar cell module, and photovoltaic power generation system

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United States of America Patent

PATENT NO 12094994
APP PUB NO 20230086765A1
SERIAL NO

17898513

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Abstract

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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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Patent Owner(s)

Patent OwnerAddress
KABUSHIKI KAISHA TOSHIBA1-1 SHIBAURA 1-CHOME MINATO-KU TOKYO 1050023 ?1050023
TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION72-34 HORIKAWA-CHO SAIWAI-KU KAWASAKI-SHI KANAGAWA 212-0013

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Honishi, Yuya Saitama, JP 33 24
Mizuno, Yukitami Tokyo, JP 46 194
Nakagawa, Naoyuki Tokyo, JP 66 116
Nishida, Yasutaka Tokyo, JP 113 1203
Shibasaki, Soichiro Tokyo, JP 62 87
Yamamoto, Kazushige Yokohama Kanagawa, JP 102 789
Yamazaki, Mutsuki Yokohama Kanagawa, JP 107 505

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