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author:

Qu, Lina (Qu, Lina.) [1] | Hou, Xianhua (Hou, Xianhua.) [2] | Huang, Xiyan (Huang, Xiyan.) [3] | Liang, Qian (Liang, Qian.) [4] | Ru, Qiang (Ru, Qiang.) [5] | Wu, Bo (Wu, Bo.) [6] (Scholars:吴波) | Lam, Kwok-ho (Lam, Kwok-ho.) [7]

Indexed by:

EI Scopus SCIE

Abstract:

A fairly simple and environmentally friendly hydrothermal method is reported to synthesize anode materials composed of NiFe2O4 (NFO) and ultrathin flake graphite (UFG), which are denoted as NFO/UFG composites. Several experiments were then carried out in order to determine the most beneficial proportion of UFG in the composite. Finally, it was found that the NFO/UFG-2 composite exhibits the most beneficial morphological structure which is characterized as three-dimensional floral NFO microspheres assembled by many porous nanosheets anchored on the pedestal of UFG (as determined from SEM and TEM measurements). In addition, the NFO/UFG-2 composite also demonstrates the best electrochemical performances. It shows a stable long-term cycling performance with a high initial Coulombic efficiency of 83.4% and even obtains a high specific capacity of 963.4 mAhg(-1) after 300 cycles at a current density of 200 mAg(-1) and remarkable reversibility not only at low current densities but also at high current densities. Satisfyingly, the good synergy between porous NFO and UFG significantly enhances the electronic conductivity and relieves the huge bulk expansion of traditional transition metal oxide. This unique electrode material is demonstrated to be a promising candidate for the new-generation lithium ion batteries.

Keyword:

anode materials composite materials graphite lithium ion batteries NiFe2O4

Community:

  • [ 1 ] [Qu, Lina]South China Normal Univ, Guangdong Engn Technol Res Ctr Efficient Green En, Guangzhou 510006, Guangdong, Peoples R China
  • [ 2 ] [Hou, Xianhua]South China Normal Univ, Guangdong Engn Technol Res Ctr Efficient Green En, Guangzhou 510006, Guangdong, Peoples R China
  • [ 3 ] [Huang, Xiyan]South China Normal Univ, Guangdong Engn Technol Res Ctr Efficient Green En, Guangzhou 510006, Guangdong, Peoples R China
  • [ 4 ] [Liang, Qian]South China Normal Univ, Guangdong Engn Technol Res Ctr Efficient Green En, Guangzhou 510006, Guangdong, Peoples R China
  • [ 5 ] [Ru, Qiang]South China Normal Univ, Guangdong Engn Technol Res Ctr Efficient Green En, Guangzhou 510006, Guangdong, Peoples R China
  • [ 6 ] [Qu, Lina]South China Normal Univ, Sch Phys & Telecommun Engn, Guang Dong Prov Key Lab Quantum Engn & Quantum Ma, Guangzhou 510006, Guangdong, Peoples R China
  • [ 7 ] [Hou, Xianhua]South China Normal Univ, Sch Phys & Telecommun Engn, Guang Dong Prov Key Lab Quantum Engn & Quantum Ma, Guangzhou 510006, Guangdong, Peoples R China
  • [ 8 ] [Huang, Xiyan]South China Normal Univ, Sch Phys & Telecommun Engn, Guang Dong Prov Key Lab Quantum Engn & Quantum Ma, Guangzhou 510006, Guangdong, Peoples R China
  • [ 9 ] [Liang, Qian]South China Normal Univ, Sch Phys & Telecommun Engn, Guang Dong Prov Key Lab Quantum Engn & Quantum Ma, Guangzhou 510006, Guangdong, Peoples R China
  • [ 10 ] [Ru, Qiang]South China Normal Univ, Sch Phys & Telecommun Engn, Guang Dong Prov Key Lab Quantum Engn & Quantum Ma, Guangzhou 510006, Guangdong, Peoples R China
  • [ 11 ] [Wu, Bo]Fuzhou Univ, Coll Mat Sci & Engn, Key Lab Ecomat Adv Technol, Multiscale Computat Mat Facil, Fuzhou 350100, Fujian, Peoples R China
  • [ 12 ] [Lam, Kwok-ho]Hong Kong Polytech Univ, Dept Elect Engn, Kowloon 999077, Hong Kong, Peoples R China

Reprint 's Address:

  • [Hou, Xianhua]South China Normal Univ, Guangdong Engn Technol Res Ctr Efficient Green En, Guangzhou 510006, Guangdong, Peoples R China;;[Hou, Xianhua]South China Normal Univ, Sch Phys & Telecommun Engn, Guang Dong Prov Key Lab Quantum Engn & Quantum Ma, Guangzhou 510006, Guangdong, Peoples R China

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Source :

CHEMELECTROCHEM

ISSN: 2196-0216

Year: 2017

Issue: 12

Volume: 4

Page: 3148-3155

4 . 4 4 6

JCR@2017

3 . 5 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

ESI HC Threshold:226

JCR Journal Grade:1

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 16

SCOPUS Cited Count: 18

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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