太阳辐射下Bi3O4Cl超级电容器电化学性能的增强：太阳照射对储能应用的影响研究

IF 4.7 3区化学 Q2 CHEMISTRY, PHYSICAL

Journal of Photochemistry and Photobiology A-chemistry Pub Date : 2025-09-15 DOI:10.1016/j.jphotochem.2025.116788

Mahmut Serdar Sisecioglu , Fatma Kilic Dokan , Erkan Yilmaz , M. Serdar Onses , Ertugrul Sahmetlioglu

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引用次数: 0

摘要

光动力和光响应能源生产和存储设备是满足现代社会日益增长的能源需求的有前途的替代方案。太阳能是一种清洁、可持续的光源。含氯氧掺杂的铋基材料由于其层状结构和快速的电子空穴对分离能力而具有优异的光电性能。Bi3O4Cl独特的晶体结构和固有的电化学性能使其成为储能应用的一个有趣的候选者。在这项研究中，我们研究了Bi3O4Cl作为超级电容器材料在太阳直接辐射和太阳模拟器辐射下的电化学性能。电化学测量在三电极系统中进行，使用2 M KOH电解质溶液。循环伏安法（CV）、恒流充放电法（GCD）和电化学阻抗谱法（EIS）。在GCD测量中，纯材料的平均电容为259.6 F g−1，而在阳光直射和太阳模拟器照射下分别观察到的比平均电容值为689 F g−1和676 F g−1。与纯材料相比，这代表了大约165%和160%的电容增强。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Enhanced electrochemical performance of Bi3O4Cl supercapacitors under solar radiation: A study on the impact of solar exposure for energy storage applications

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Enhanced electrochemical performance of Bi3O4Cl supercapacitors under solar radiation: A study on the impact of solar exposure for energy storage applications

Photo-powered and photo-responsive energy production and storage devices are promising alternatives to meet the growing energy demand in modern society. Solar energy is a clean and sustainable light source for these devices. Bismuth-based materials with oxychloride dopants exhibit superior optoelectronic properties due to their layered structure and rapid electron-hole pair separation ability. The unique crystal structure and inherent electrochemical properties of Bi₃O₄Cl make it an intriguing candidate for energy storage applications.

In this study, we investigated the electrochemical performance of Bi₃O₄Cl as a supercapacitor material, exposed to both direct solar radiation and solar simulator radiation. Electrochemical measurements were conducted in a three-electrode system using a 2 M KOH electrolyte solution. Cyclic Voltammetry (CV), Galvanostatic Charge-Discharge (GCD), and Electrochemical Impedance Spectroscopy (EIS) were performed.

In the GCD measurements, the pure material exhibited an average capacitance of 259.6 F g⁻¹, while specific average capacitance values of 689 F g⁻¹ and 676 F g⁻¹ were observed with direct sunlight exposure and solar simulator exposure, respectively. This represents approximately 165 % and 160 % enhancement in capacitance compared to the pure material.

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来源期刊

Journal of Photochemistry and Photobiology A-chemistry 化学-物理化学

CiteScore

7.90

自引率

7.00%

发文量

580

审稿时长

48 days

期刊介绍： JPPA publishes the results of fundamental studies on all aspects of chemical phenomena induced by interactions between light and molecules/matter of all kinds. All systems capable of being described at the molecular or integrated multimolecular level are appropriate for the journal. This includes all molecular chemical species as well as biomolecular, supramolecular, polymer and other macromolecular systems, as well as solid state photochemistry. In addition, the journal publishes studies of semiconductor and other photoactive organic and inorganic materials, photocatalysis (organic, inorganic, supramolecular and superconductor). The scope includes condensed and gas phase photochemistry, as well as synchrotron radiation chemistry. A broad range of processes and techniques in photochemistry are covered such as light induced energy, electron and proton transfer; nonlinear photochemical behavior; mechanistic investigation of photochemical reactions and identification of the products of photochemical reactions; quantum yield determinations and measurements of rate constants for primary and secondary photochemical processes; steady-state and time-resolved emission, ultrafast spectroscopic methods, single molecule spectroscopy, time resolved X-ray diffraction, luminescence microscopy, and scattering spectroscopy applied to photochemistry. Papers in emerging and applied areas such as luminescent sensors, electroluminescence, solar energy conversion, atmospheric photochemistry, environmental remediation, and related photocatalytic chemistry are also welcome.