超级电容器
材料科学
纳米复合材料
石墨氮化碳
制作
氮化碳
纳米技术
碳纤维
氮化物
色素敏化染料
光电子学
复合数
电极
复合材料
电化学
图层(电子)
化学
物理化学
光催化
催化作用
医学
生物化学
替代医学
病理
电解质
作者
G. Maheshwaran,P. Pandi,S. Suganya,B. Arjun Kumar,G. Ramalingam,M. Ramesh Prabhu,S. Sudhahar
标识
DOI:10.1016/j.est.2022.105900
摘要
The development of sustainable renewable energy systems that provides both energy conversion and storage is highly desirable to compensate the energy needs in daily life. But the key challenge is to fabricate a self powered energy conversion and storage device that possess holds both high conversion efficiency and high storage capability. Herein, we fabricate a solid state hybrid supercapacitor with the aid of bismuthene-graphitic carbon nitride nanocomposite and activated carbon electrodes (Bi-g-C 3 N 4 //AC HSC) as an energy storage device and integrated with a dye sensitized solar cells (DSSC) as energy conversion device. The fabricated Bi-g-C 3 N 4 //AC HSC delivers a high energy density of 31.597 μWh/cm 2 and the high power density of 3.25 mW/cm 2 . Moreover, the integrated solar powered supercapacitor (SPSC) delivers a competitive total energy conversion and storage efficiency (η total ) of about 5.418 % and an unprecedented energy storage efficiency (η storage ) of 68.35 %. • Bismuthene-graphitic carbon nitride nanocomposite was synthesized by liquid phase exfoliation technique. • Bi-g-C 3 N 4 //AC HSC delivering high energy density of 31.597 μWh/cm 2 and the high power density of 3.25 mW/cm 2 . • Solar powered supercapacitor delivering the total energy conversion efficiency (η total ) of about 5.4 %. • SPSC delivering the energy storage efficiency (η storage ) of 68.35 %.
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