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author:

Zhao, Yulai (Zhao, Yulai.) [1] (Scholars:赵玉来) | Chen, Wenwen (Chen, Wenwen.) [2] | Zhang, Longquan (Zhang, Longquan.) [3] | Xiao, Longqiang (Xiao, Longqiang.) [4] (Scholars:肖龙强) | Yin, Xiangyu (Yin, Xiangyu.) [5] (Scholars:阴翔宇) | Cai, Jingyu (Cai, Jingyu.) [6] (Scholars:蔡静宇) | Hou, Linxi (Hou, Linxi.) [7] (Scholars:侯琳熙)

Indexed by:

EI Scopus SCIE

Abstract:

High performance supercapacitors are significant for the practical application of the novel renewable energies. Comparisons suggest that hybrid supercapacitor (HSC) is a fairly promising type for application since it combines high power density and high energy density. In this study, hierarchically porous carbons (HPCs) supported Ni@C nanoparticles (Ni@C/HPCs) were obtained by pyrolyzing the precursors of Ni-based MOF/porous polymers (NiMOF/polyHIPEs) which were prepared by high internal phase emulsion (HIPE) polymerization followed with solvothermal Ni-MOF growing. The composition and morphology of the Ni@C/HPCs can be controlled by changing the growth time of Ni-MOF. The optimized sample Ni@C/HPC-15 demonstrates a high specific capacity of 215.0 C g-1 at 1 A g-1 and a high rate performance of 82.3% when the current density increases from 1 A g-1 to 10 A g-1. Furthermore, Ni@C/HPC//HPC HSC was assembled and achieved an energy density of 40.9 Wh kg-1 at a power density of 747.2 W kg-1. In particular, the assembled HSC exhibited a remarkable initial capacitance retention of 86.3% after 5000 cycles at 6 A g-1. The reported convenient method may provide inspiration in the preparation and optimization of HPC-based electrode materials with satisfactory performances for energy storage.

Keyword:

High internal phase emulsion template Hybrid supercapacitor Ni based metal-organic framework Ni@C/HPC nanocomposites

Community:

  • [ 1 ] [Zhao, Yulai]Fuzhou Univ, Coll Chem Engn, Dept Mat Oriented Chem Engn, Fuzhou 350116, Peoples R China
  • [ 2 ] [Chen, Wenwen]Fuzhou Univ, Coll Chem Engn, Dept Mat Oriented Chem Engn, Fuzhou 350116, Peoples R China
  • [ 3 ] [Zhang, Longquan]Fuzhou Univ, Coll Chem Engn, Dept Mat Oriented Chem Engn, Fuzhou 350116, Peoples R China
  • [ 4 ] [Xiao, Longqiang]Fuzhou Univ, Coll Chem Engn, Dept Mat Oriented Chem Engn, Fuzhou 350116, Peoples R China
  • [ 5 ] [Yin, Xiangyu]Fuzhou Univ, Coll Chem Engn, Dept Mat Oriented Chem Engn, Fuzhou 350116, Peoples R China
  • [ 6 ] [Cai, Jingyu]Fuzhou Univ, Coll Chem Engn, Dept Mat Oriented Chem Engn, Fuzhou 350116, Peoples R China
  • [ 7 ] [Hou, Linxi]Fuzhou Univ, Coll Chem Engn, Dept Mat Oriented Chem Engn, Fuzhou 350116, Peoples R China
  • [ 8 ] [Zhao, Yulai]Qingyuan Innovat Lab, Quanzhou 362801, Peoples R China
  • [ 9 ] [Xiao, Longqiang]Qingyuan Innovat Lab, Quanzhou 362801, Peoples R China
  • [ 10 ] [Yin, Xiangyu]Qingyuan Innovat Lab, Quanzhou 362801, Peoples R China
  • [ 11 ] [Cai, Jingyu]Qingyuan Innovat Lab, Quanzhou 362801, Peoples R China
  • [ 12 ] [Hou, Linxi]Qingyuan Innovat Lab, Quanzhou 362801, Peoples R China

Reprint 's Address:

  • [Zhao, Yulai]Fuzhou Univ, Coll Chem Engn, Dept Mat Oriented Chem Engn, Fuzhou 350116, Peoples R China;;[Hou, Linxi]Fuzhou Univ, Coll Chem Engn, Dept Mat Oriented Chem Engn, Fuzhou 350116, Peoples R China;;

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Source :

JOURNAL OF ALLOYS AND COMPOUNDS

ISSN: 0925-8388

Year: 2023

Volume: 976

5 . 8

JCR@2023

5 . 8 0 0

JCR@2023

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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