超级电容器
复合数
材料科学
电极
复合材料
化学工程
纳米技术
电容
化学
工程类
物理化学
作者
Trishanku Kashyap,Rajashree Bortamuly,Liju Elias,Manash R. Das,Debajyoti Mahanta,Pranjal Saikia
出处
期刊:ACS applied nano materials
[American Chemical Society]
日期:2024-02-24
卷期号:7 (5): 4667-4675
被引量:1
标识
DOI:10.1021/acsanm.3c04601
摘要
Electrochemical energy technologies play a pivotal role in the quest for a sustainable and cleaner future owing to their remarkable potential to revolutionize the way we generate, store, and utilize energy. In this context, the present study explores the synthesis and characterization of TiO2–CeO2 composites having surface-dispersed silver nanoparticles (TiO2–CeO2/Ag) as an efficient electrode material for supercapacitor application. The developed electrode materials are systematically characterized by using different techniques such as Fourier-transform infrared spectroscopy, scanning electron microscopy, X-ray diffraction, and X-ray photoelectron spectroscopy. The electrochemical performance of the electrode materials is assessed by using cyclic voltammetry, galvanometric charge–discharge, and electrochemical impedance spectroscopy. The obtained results show that the electrode material with 2 wt % Ag distributed over TiO2–CeO2 composites (TiO2–CeO2/Ag 2X) is the best material with the highest specific capacitance of 996 F/g and excellent cycling stability even after 2500 cycles. The obtained results give clear credence to the idea that the TiO2–CeO2/Ag composites could serve as an efficient electrode material for energy storage applications.
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