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:
Jul. 29, 2025
Filed:
May. 16, 2023
Contemporary Amperex Technology (Hong Kong) Limited, Hong Kong, CN;
Weifeng Liang, Fujian, CN;
Juanjuan Sun, Fujian, CN;
Changsong Chen, Fujian, CN;
Bao Tu, Fujian, CN;
Wenming Guo, Fujian, CN;
Yongsheng Guo, Fujian, CN;
Guodong Chen, Fujian, CN;
Bo Luan, Fujian, CN;
CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED, Hong Kong, CN;
Abstract
The present disclosure provides a perovskite solar cell comprising at least an electrode, an electron transport layer, a hole transport layer, a perovskite layer and a passivation layer. In the perovskite solar cell, the passivation layer may contain a passivator, the passivatormay comprise an aza fused bicyclic compound and/or an organic salt formed from the aza fused bicyclic compound and an acid, each fused ring in the aza fused bicyclic compound may be independently a five-membered or six-membered saturated ring, unsaturated ring or aromatic ring, the fused ring of the aza fused bicyclic compound may contain 1-5 nitrogen atoms, and the fused ring may be an unsubstituted ring or a ring substituted with one or two substituents having 1-3 carbon atoms.