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author:

Akram, Adeel (Akram, Adeel.) [1] | Liaqat, Muhammad Arman (Liaqat, Muhammad Arman.) [2] | Javed, Sofia (Javed, Sofia.) [3] | Hamid, Muhammad (Hamid, Muhammad.) [4] | Ali, Usman (Ali, Usman.) [5] | Javed, Faiza (Javed, Faiza.) [6] | Wei, Mingdeng (Wei, Mingdeng.) [7] (Scholars:魏明灯) | Akram, Muhammad Aftab (Akram, Muhammad Aftab.) [8]

Indexed by:

EI SCIE

Abstract:

One of the key challenges has been taken to design high performance hybrid energy storage devices using electrodes based on capacitive graphene nanoplatelets (GNPs) and pseudocapacitive metal organic frameworks (MOFs) with high energy storage, power density and long-life cycles. Herein, we are introducing novel hybrid capacitors based on highly porous composite electrodes of ZIF-67/GNPs and ZIF-8/GNPs and redox additive electrolyte (RAE) that is, 0.2 M [K-3(Fe (CN)(6))] in 1 M Na2SO4. The ZIF-67/GNPs and ZIF-8/GNPs composite electrodes were used to fabricate the asymmetric supercapacitor devices using MOFs/GNPs as a positive electrode and GNPs as the negative electrode in the presence of RAE exhibited high energy and power densities of 85.8 W h kg(-1) and 60.7 W h kg(-1) and 7500 W kg(-1) and 7370 W kg(-1), respectively at current density of 1 Ag-1. The asymmetric devices retain excellent capacitances of up to 97.7% (ZIF-67/GNPs) and 97.1% (ZIF-8/GNPs) along with remarkable columbic efficiencies near 100% after 10,000 charge discharge cycles at 2 Ag-1 in a wide voltage range of (0.0-1.5 V). (C) 2021 Elsevier B.V. All rights reserved.

Keyword:

EDLC/pseudocapacitive energy storage hybrid supercapacitor MOFs/GNPs redox additive electrolyte

Community:

  • [ 1 ] [Akram, Adeel]Natl Univ Sci & Technol NUST, Sch Chem & Mat Engn SCME, Dept Mat Engn, Sect H-12, Islamabad 44000, Pakistan
  • [ 2 ] [Liaqat, Muhammad Arman]Natl Univ Sci & Technol NUST, Sch Chem & Mat Engn SCME, Dept Mat Engn, Sect H-12, Islamabad 44000, Pakistan
  • [ 3 ] [Javed, Sofia]Natl Univ Sci & Technol NUST, Sch Chem & Mat Engn SCME, Dept Mat Engn, Sect H-12, Islamabad 44000, Pakistan
  • [ 4 ] [Hamid, Muhammad]Natl Univ Sci & Technol NUST, Sch Chem & Mat Engn SCME, Dept Mat Engn, Sect H-12, Islamabad 44000, Pakistan
  • [ 5 ] [Ali, Usman]Natl Univ Sci & Technol NUST, Sch Chem & Mat Engn SCME, Dept Mat Engn, Sect H-12, Islamabad 44000, Pakistan
  • [ 6 ] [Akram, Muhammad Aftab]Natl Univ Sci & Technol NUST, Sch Chem & Mat Engn SCME, Dept Mat Engn, Sect H-12, Islamabad 44000, Pakistan
  • [ 7 ] [Javed, Faiza]COMSATS Univ, Dept Phys, Ctr Micro & Nano Devices, Islamabad 44000, Pakistan
  • [ 8 ] [Wei, Mingdeng]Fuzhou Univ, Fujian Prov Key Lab Electrochem Energy Storage Ma, Fuzhou 350002, Fujian, Peoples R China
  • [ 9 ] [Akram, Muhammad Aftab]NUST Interdisciplinary Cluster Educ, Nanosci & Technol Lab, Sect H-12, Islamabad 44000, Pakistan

Reprint 's Address:

  • [Akram, Muhammad Aftab]Natl Univ Sci & Technol NUST, Sch Chem & Mat Engn SCME, Dept Mat Engn, Sect H-12, Islamabad 44000, Pakistan

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Source :

JOURNAL OF ALLOYS AND COMPOUNDS

ISSN: 0925-8388

Year: 2022

Volume: 891

6 . 2

JCR@2022

5 . 8 0 0

JCR@2023

ESI Discipline: MATERIALS SCIENCE;

ESI HC Threshold:91

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 13

SCOPUS Cited Count: 14

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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