Hydrothermal formation of novel SrCeO3/RGO nanocomposite as supercapacitor electrode material

被引:8
作者
Ahmad, Tamoor [1 ]
Alrowaily, Albandari W. [2 ]
Alotaibi, B. M. [2 ]
Alyousef, Haifa A. [2 ]
Dahshan, A. [3 ]
Henaish, A. M. A. [4 ,5 ]
机构
[1] Govt Grad Coll Taunsa Sharif, Dept Chem, Taunsa Sharif 32100, Pakistan
[2] Princess Nourah bint Abdulrahman Univ, Coll Sci, Dept Phys, POB 84428, Riyadh 11671, Saudi Arabia
[3] King Khalid Univ, Coll Sci, Dept Phys, Abha 61413, Saudi Arabia
[4] Tanta Univ, Fac Sci, Phys Dept, Tanta 31527, Egypt
[5] Ural Fed Univ, NANOTECH Ctr, Ekaterinburg 620002, Russia
关键词
Transition metal oxide; Perovskite; SrCeO3/RGO; Supercapacitors; Electrode; Hybrid capacitors; REDUCED GRAPHENE OXIDE; HIGH-PERFORMANCE; CAPACITANCE; COMPOSITES; STABILITY; CELLULOSE; BEHAVIOR; POLYMER; SIZE;
D O I
10.1007/s10971-024-06401-0
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Growing populations and development led to a higher utilization of fossil fuels and more CO2 emissions; which prompted researchers to look for pollution-free energy sources and improved energy-storage technologies. Supercapacitors (SCs) are thought to be the most advanced available energy-storage technology and are improving day by day via modifying the electrode composition. In this work, we described the hydrothermal production of SrCeO3/RGO nanocomposite as an effective and high-performance electrode material for SCs. Different approaches were adopted to look at the structural features along with the electrochemical behaviors of the prepared nanocomposite. X-ray structural analysis data and surface analysis showed that the nanocomposite had a pure crystalline phase and enhanced surface area. SrCeO3/RGO nanocomposite possessed a specific capacitance of 1359.9 F/g at 1 A/g, while it was 653.1 F/g for pure SrCeO3 electrode. The nanocomposite showed a small decrease in its polarization curve area following the 6000th cycle of the stability test. Additionally, SrCeO3 and SrCeO3/RGO nanocomposite exhibited specific energy of 28.7 and 63.5 Wh/kg at 1 A/g value with specific power of 281.5 and 290.1 W/kg, respectively. Numerous findings demonstrated that the enhanced ion/electron mobility and electric conductivity of nanocomposite lead to a rapid charge-storing approach and significantly boost electrochemical performance. The exceptional functionality of the SrCeO3/RGO nanocomposite demonstrated its favorable potential for the future generation of energy storage by reducing reliance on materials with a spinel-like structure.
引用
收藏
页码:720 / 735
页数:16
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