Square acid compound or salt thereof, solar cell, power generation device, and power utilization device
By using the passivation defect of the pasteurization of the pastetic acid compound or its salt in perovskite solar cells, the problem of insufficient stability in long-term operation of perovskite solar cells is solved, and the stability and photoelectric efficiency of the battery are improved.
CN120423965APending Publication Date: 2025-08-05CONTEMPORARY AMPEREX TECHNOLOGY CO LTD
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Patent Information
- Application Number
- CN202410166761.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-05
- Publication Date
- 2025-08-05
AI Technical Summary
Technical Problem
The existing perovskite solar cells have defects in long-term operation, resulting in insufficient stability, especially the metal oxides of the perovskite absorbing layer and hole transporting layer are prone to degradation during long-term use, affecting battery performance.
Method used
The long-term operation stability of perovskite solar cells is improved by passivating defects in perovskite solar cells, especially cationic and halide anion defects.
Benefits of technology
Effectively passivate defects in perovskite solar cells, prevent changes in the valence state of metal oxides, and improve the long-term operation stability and photoelectric efficiency of the battery.
✦ Generated by Eureka AI based on patent content.
Abstract
The invention provides a squaric acid compound or a salt thereof, a solar cell, a power generation device, and a power utilization device. The compounds are represented by the following general formula (I); wherein Z is: # imgabs0 # or a substituted or unsubstituted five or six membered heteroaryl group containing at least one heteroatom, where the heteroatoms comprise O, S and N; substituent groups of the heteroaryl group comprise-OH, carboxyl,-CONR2,-CHO, halogen,-NH2 and-CN; r'each independently includes-NH2,-NHR,-NHC (0) R,-OH,-SH, and C1-C4 alkyl, R ''each independently includes a phosphate group, a sulfonic acid group, a boronic acid group,-Si (OR) 3,-NR2,-NR3 +,-CONR2,-COOR, and halogen, where R'each independently includes H and C1-C4 alkyl, and when R' 'includes a plurality of Rs, the plurality of Rs are the same or different.
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