研究目的
To address the challenge of precisely monitoring the state of charge (SOC) in electrochromic supercapacitors (ECSCs) by developing an integral system that combines inorganic CsPbBr3 perovskite photodetectors (PPDs) with PANI//WO3 ECSCs for real-time, accurate detection of small energy storage changes.
研究成果
The developed ECSC-PPD system effectively monitors small SOC changes in real-time, demonstrating high sensitivity and accuracy. This innovation paves the way for future energy storage devices with self-monitoring capabilities, addressing the challenge of sudden device failure.
研究不足
The system's performance may be influenced by the distance between the laser, ECSC, and PPD, requiring precise setup. The choice of laser wavelength is critical for optimal performance, limiting flexibility in light source selection.
1：Experimental Design and Method Selection:
The study proposes an integral system combining CsPbBr3 PPDs with PANI//WO3 ECSCs to monitor SOC in real-time by detecting changes in responsive current under a green laser (520 nm).
2：Sample Selection and Data Sources:
The ECSC is composed of electrodeposited PANI positive and WO3 negative electrodes, with the PPD detecting light intensity changes through the ECSC.
3：List of Experimental Equipment and Materials:
A green laser (520 nm), electrochemical workstation, sourcemeter, and the integrated ECSC-PPD system.
4：Experimental Procedures and Operational Workflow:
The ECSC is placed between the laser and PPD; the system records responsive current changes as the ECSC is charged or discharged, correlating these changes with SOC.
5：Data Analysis Methods:
The study analyzes transmittance spectra, photoresponsivity, and calculates SOC from CV, GCD, and HVH tests, correlating these with PPD responsive current changes.
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