The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 13, 2024
Filed:
Sep. 07, 2022
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Energy Systems & Solutions Corporation, Kawasaki, JP;
Soichiro Shibasaki, Tokyo, JP;
Yuya Honishi, Saitama Saitama, JP;
Naoyuki Nakagawa, Tokyo, JP;
Mutsuki Yamazaki, Yokohama Kanagawa, JP;
Yukitami Mizuno, Tokyo, JP;
Yasutaka Nishida, Tokyo, JP;
Kazushige Yamamoto, Yokohama Kanagawa, JP;
KABUSAIRES KAISHA TOSHIBA, Tokyo, JP;
TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION, Kawasaki, JP;
Abstract
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 GaM1M2M3M4O, 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.