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J. Korean Ceram. Soc. > Volume 60(4); 2023 > Article
Journal of the Korean Ceramic Society 2023;60(4): 646-656.
doi: https://doi.org/10.1007/s43207-023-00289-2
CeSe nanocube anchored on the nanosheet of reduced graphene oxide (rGO) as a binder free electrode for energy conversion system
Majid Hayat1, Bakhat Ali1, Muhammad Yunis1, Abdullah G. Al-Sehemi2,3, Mouslim Messali4, Sumaira Manzoor5, Muhammad Abdullah6, Meznah M. Alanazi7, Shaima A. M. Abdelmohsen7, Muhammad Naeem Ashiq5
1Institute of Chemistry, Khwaja Fareed University of Engineering and Information Technology, Abu Dhadi Road, Rahim Yar Khan, Pakistan
2Research Center for Advanced Materials Science (RCAMS), King Khalid University, Abha 61413, Saudi Arabia
3Department of Chemistry, College of Science, King Khalid University, Abha 61413, Saudi Arabia
4Department of Chemistry, College of Science, Imam Mohammad Ibn Saud Islamic University , P.O. Box, 90950, Riyadh 11623, Saudi Arabia
5Institute of Chemical Sciences, Bahauddin Zakariya University, Multan 60800, Pakistan
6Department of Chemistry, Government College University Lahore, Katchery Road, Anarkali, Lahore 54000, Punjab, Pakistan
7Department of Physics, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
Correspondence  Muhammad Naeem Ashiq ,Email: naeembzu@bzu.edu.pk
Received: October 31, 2022; Revised: February 2, 2023   Accepted: February 4, 2023.  Published online: March 16, 2023.
ABSTRACT
There is a persistent imbalance between energy demand and supply since renewable energy sources are intermittent. A potential answer to this ongoing problem is the development of suitable materials that could be utilized in storage energy devices. Among all the devices, supercapacitors with efficient electrode material are one of the possible storage technologies. Here in the present work, a cerium selenide/reduced graphene oxide (CeSe/rGO) heterostructure-based electrode is fabricated via hydrothermal technique. The synthesized CeSe/rGO performs well with 810.45 F g−1 specific capacitance at 1.5 A g−1, and an exceptional rate of capability with negligible instability up to 5000th cycles. Additionally, the probable contribution of rGO to the composite's ability to increase supercapacitance through synergy effect of CeSe and rGO has been observed. EIS (Electrochemical impedance spectroscopy) was exploited to find out the mechanism of charge transmission for the fabricated material. The electrochemical analysis indicates that CeSe/rGO exhibited the superior performance than the apparently cutting-edge structures.
Key words: CeSe/rGO nanocomposite · Hydrothermal approach · Supercapacitor · High specific capacitance
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