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Author:

Chu, Xianyu (Chu, Xianyu.) | Meng, Fanling (Meng, Fanling.) | Deng, Ting (Deng, Ting.) | Lu, Yue (Lu, Yue.) (Scholars:卢岳) | Bondarchuk, Oleksandr (Bondarchuk, Oleksandr.) | Sui, Manling (Sui, Manling.) (Scholars:隋曼龄) | Feng, Ming (Feng, Ming.) | Li, Haibo (Li, Haibo.) | Zhang, Wei (Zhang, Wei.)

Indexed by:

EI Scopus SCIE

Abstract:

Engineering multicomponent electroactive materials is an effective strategy to improve electrochemical performance by adjusting the atomic and electronic structure. In this work, we directly synthesize oriented bimetallic CoNi-MOF nanosheets on CFP (carbon fiber paper). The CoNi-MOF/CFP shows high specific capacitance, outstanding rate capability and long-term cycling stability compared to a monometallic Ni-MOF or Co-MOF. By adjusting the Co/Ni molar ratio, CoNi23/CFP (Co : Ni = 2 : 3) displays the highest specific capacitance (2033 F g(-1) at 1 A g(-1)). The introduction of Co into the Ni-MOF matrix shortens Co/Ni-centered bond distances, resulting in improved bond strength, facilitating the charge transfer and increasing the electrical conductivity of the CoNi-MOF, which were proved by X-ray absorption fine structure (XAFS) spectroscopy, high angle annular dark field (HAADF) imaging, and electrochemical impedance spectroscopy (EIS). Our study demonstrates the origin of performance improvements and, therefore, may provide a feasible scheme to unlock high-performance MOF electrode materials.

Keyword:

Author Community:

  • [ 1 ] [Chu, Xianyu]Jilin Univ, Key Lab Mobile Mat MOE, Changchun 130012, Jilin, Peoples R China
  • [ 2 ] [Meng, Fanling]Jilin Univ, Key Lab Mobile Mat MOE, Changchun 130012, Jilin, Peoples R China
  • [ 3 ] [Deng, Ting]Jilin Univ, Key Lab Mobile Mat MOE, Changchun 130012, Jilin, Peoples R China
  • [ 4 ] [Zhang, Wei]Jilin Univ, Key Lab Mobile Mat MOE, Changchun 130012, Jilin, Peoples R China
  • [ 5 ] [Chu, Xianyu]Jilin Univ, Sch Mat Sci & Engn, Changchun 130012, Jilin, Peoples R China
  • [ 6 ] [Meng, Fanling]Jilin Univ, Sch Mat Sci & Engn, Changchun 130012, Jilin, Peoples R China
  • [ 7 ] [Deng, Ting]Jilin Univ, Sch Mat Sci & Engn, Changchun 130012, Jilin, Peoples R China
  • [ 8 ] [Zhang, Wei]Jilin Univ, Sch Mat Sci & Engn, Changchun 130012, Jilin, Peoples R China
  • [ 9 ] [Chu, Xianyu]Jilin Univ, Electron Microscopy Ctr, Changchun 130012, Jilin, Peoples R China
  • [ 10 ] [Meng, Fanling]Jilin Univ, Electron Microscopy Ctr, Changchun 130012, Jilin, Peoples R China
  • [ 11 ] [Deng, Ting]Jilin Univ, Electron Microscopy Ctr, Changchun 130012, Jilin, Peoples R China
  • [ 12 ] [Zhang, Wei]Jilin Univ, Electron Microscopy Ctr, Changchun 130012, Jilin, Peoples R China
  • [ 13 ] [Chu, Xianyu]Jilin Univ, Int Ctr Future Sci, Changchun 130012, Jilin, Peoples R China
  • [ 14 ] [Meng, Fanling]Jilin Univ, Int Ctr Future Sci, Changchun 130012, Jilin, Peoples R China
  • [ 15 ] [Deng, Ting]Jilin Univ, Int Ctr Future Sci, Changchun 130012, Jilin, Peoples R China
  • [ 16 ] [Zhang, Wei]Jilin Univ, Int Ctr Future Sci, Changchun 130012, Jilin, Peoples R China
  • [ 17 ] [Lu, Yue]Beijing Univ Technol, Inst Microstruct & Properties Adv Mat, Beijing 100124, Peoples R China
  • [ 18 ] [Bondarchuk, Oleksandr]Int Iberian Nanotechnol Lab, Dept Adv Electron Microscopy Imaging & Spect, P-4715330 Braga, Portugal
  • [ 19 ] [Sui, Manling]Jilin Normal Univ, Key Lab Funct Mat Phys & Chem, Minist Educ, Changchun 130103, Jilin, Peoples R China
  • [ 20 ] [Feng, Ming]Jilin Normal Univ, Key Lab Funct Mat Phys & Chem, Minist Educ, Changchun 130103, Jilin, Peoples R China
  • [ 21 ] [Li, Haibo]Jilin Normal Univ, Key Lab Funct Mat Phys & Chem, Minist Educ, Changchun 130103, Jilin, Peoples R China
  • [ 22 ] [Zhang, Wei]Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Wuhan 430074, Hubei, Peoples R China
  • [ 23 ] [Zhang, Wei]Ikerbasque, Basque Fdn Sci, Bilbao 48013, Spain

Reprint Author's Address:

  • [Zhang, Wei]Jilin Univ, Key Lab Mobile Mat MOE, Changchun 130012, Jilin, Peoples R China;;[Zhang, Wei]Jilin Univ, Sch Mat Sci & Engn, Changchun 130012, Jilin, Peoples R China;;[Zhang, Wei]Jilin Univ, Electron Microscopy Ctr, Changchun 130012, Jilin, Peoples R China;;[Zhang, Wei]Jilin Univ, Int Ctr Future Sci, Changchun 130012, Jilin, Peoples R China;;[Zhang, Wei]Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Wuhan 430074, Hubei, Peoples R China;;[Zhang, Wei]Ikerbasque, Basque Fdn Sci, Bilbao 48013, Spain

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Source :

NANOSCALE

ISSN: 2040-3364

Year: 2020

Issue: 9

Volume: 12

Page: 5669-5677

6 . 7 0 0

JCR@2022

ESI Discipline: PHYSICS;

ESI HC Threshold:100

Cited Count:

WoS CC Cited Count: 93

SCOPUS Cited Count: 95

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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