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Structural and Electrochemical Analysis of Decarburized Graphene Electrodes for Supercapacitor Applications

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Department of Mechanical Engineering, University of Engineering and Technology, Taxila 47050, Pakistan
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Department of Metallurgy and Materials Engineering, University of Engineering and Technology, Taxila 47050, Pakistan
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Department of Mechanical Engineering, College of Engineering, Prince Sattam bin Abdul Aziz University, AlKharj 11942, Saudi Arabia
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Center for Nanocellulose Future Composites, Department of Mechanical Engineering, Inha University, 100 Inha-Ro, Michuhol-Ku, Incheon 22212, Korea
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Department of Metallurgical and Materials Engineering (MME), University of Engineering and Technology (UET), Lahore 54890, Pakistan
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Faculty of Materials Science and Chemical Engineering, GIK Institute, Topi 23460, Pakistan
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School of Chemical and Materials Engineering, National University of Sciences and Technology (NUST), Islamabad 44000, Pakistan
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Author to whom correspondence should be addressed.
Crystals 2020, 10(11), 1043; https://doi.org/10.3390/cryst10111043
Received: 27 September 2020 / Revised: 4 November 2020 / Accepted: 11 November 2020 / Published: 16 November 2020
(This article belongs to the Section Inorganic Crystalline Materials)
In this research, a facile and cost-effective method of graphene synthesis by the modified carburization process and its applications for supercapacitor electrodes is reported. In this simple approach, carbon was diffused into nickel foam and naturally cooled to obtain carbon precipitation for the in situ growth of graphene by decarburization. Phase-structure and surface-morphology analysis revealed the presence of a highly reduced structure of the graphene layer. Furthermore, the large-intensity D, substantial G, and 2D bands in Raman spectra were attributed to disordered multilayer graphene. The three-electrode systems were used to measure electrochemical efficiency. The electrode sample exhibited enhanced current density of 0.6 A/g, electrode energy of 1.0008 Wh/kg, and power density of 180 W/kg, showing significant electrochemical performance for supercapacitor electrode applications. View Full-Text
Keywords: supercapacitor; graphene; Ni foam; electrochemical devices; energy harvesting supercapacitor; graphene; Ni foam; electrochemical devices; energy harvesting
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MDPI and ACS Style

Zaman, N.; Malik, R.A.; Alrobei, H.; Kim, J.; Latif, M.; Hussain, A.; Maqbool, A.; Karim, R.A.; Saleem, M.; Asif Rafiq, M.; Abbas, Z. Structural and Electrochemical Analysis of Decarburized Graphene Electrodes for Supercapacitor Applications. Crystals 2020, 10, 1043. https://doi.org/10.3390/cryst10111043

AMA Style

Zaman N, Malik RA, Alrobei H, Kim J, Latif M, Hussain A, Maqbool A, Karim RA, Saleem M, Asif Rafiq M, Abbas Z. Structural and Electrochemical Analysis of Decarburized Graphene Electrodes for Supercapacitor Applications. Crystals. 2020; 10(11):1043. https://doi.org/10.3390/cryst10111043

Chicago/Turabian Style

Zaman, Noor, Rizwan A. Malik, Hussein Alrobei, Jaehwan Kim, Muhammad Latif, Azhar Hussain, Adnan Maqbool, Ramzan A. Karim, Mohsin Saleem, Muhammad Asif Rafiq, and Zaheer Abbas. 2020. "Structural and Electrochemical Analysis of Decarburized Graphene Electrodes for Supercapacitor Applications" Crystals 10, no. 11: 1043. https://doi.org/10.3390/cryst10111043

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