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author:

Jiang, Chunhai (Jiang, Chunhai.) [1] | Wang, Jingxia (Wang, Jingxia.) [2] | Chen, Zhonghui (Chen, Zhonghui.) [3] | Yu, Zhiyang (Yu, Zhiyang.) [4] | Lin, Zhenyu (Lin, Zhenyu.) [5] | Zou, Zhimin (Zou, Zhimin.) [6]

Indexed by:

EI

Abstract:

Hierarchical nitrogen-doped carbon spheres (NCSs) prepared by annealing the MnO2-templated spherical polypyrrole (PPy) at 450 or 600 °C were tested as anode materials of Li-ion batteries. The NCSs annealed at 450 °C exhibited higher nitrogen content, more amorphous carbon structure, and lower surface area as compared to the sample annealed at 600 °C. The specific capacities and rate performances of both NCSs samples were much higher than that of commercial mesocarbon microbeads (MCMBs). The NCSs annealed at 600 °C exhibited higher capacity at low current density (−1) but more rapid capacity decay at elevated current rates referring to the sample annealed at 450 °C. The NCSs annealed at higher temperature also possessed inferior cycling stability, possibly due to its lower electronic conductivity and higher degree of graphitization. A high specific capacity of 250.8 mAh g−1 was achieved on the NCSs annealed at 450 °C at 3 A g−1, demonstrating their high potentiality as anode of high power Li-ion batteries. © 2017 Elsevier Ltd

Keyword:

Amorphous carbon Annealing Anodes Doping (additives) Ions Lithium-ion batteries Manganese oxide Nitrogen Polypyrroles Spheres

Community:

  • [ 1 ] [Jiang, Chunhai]Fujian Provincial Key Laboratory of Functional Materials and Applications, Institute of Advanced Energy Materials, School of Materials Science and Engineering, Xiamen University of Technology, 600 Ligong Road, Jimei, Xiamen; 361024, China
  • [ 2 ] [Wang, Jingxia]Fujian Provincial Key Laboratory of Functional Materials and Applications, Institute of Advanced Energy Materials, School of Materials Science and Engineering, Xiamen University of Technology, 600 Ligong Road, Jimei, Xiamen; 361024, China
  • [ 3 ] [Chen, Zhonghui]MOE Key Laboratory of Analysis and Detection for Food Safety, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, Institute of Nanomedicine and Nanobiosensing, College of Chemistry, Fuzhou University, Fuzhou; 350116, China
  • [ 4 ] [Yu, Zhiyang]Fujian Provincial Key Laboratory of Functional Materials and Applications, Institute of Advanced Energy Materials, School of Materials Science and Engineering, Xiamen University of Technology, 600 Ligong Road, Jimei, Xiamen; 361024, China
  • [ 5 ] [Lin, Zhenyu]MOE Key Laboratory of Analysis and Detection for Food Safety, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, Institute of Nanomedicine and Nanobiosensing, College of Chemistry, Fuzhou University, Fuzhou; 350116, China
  • [ 6 ] [Zou, Zhimin]Fujian Provincial Key Laboratory of Functional Materials and Applications, Institute of Advanced Energy Materials, School of Materials Science and Engineering, Xiamen University of Technology, 600 Ligong Road, Jimei, Xiamen; 361024, China

Reprint 's Address:

  • [jiang, chunhai]fujian provincial key laboratory of functional materials and applications, institute of advanced energy materials, school of materials science and engineering, xiamen university of technology, 600 ligong road, jimei, xiamen; 361024, china

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Source :

Electrochimica Acta

ISSN: 0013-4686

Year: 2017

Volume: 245

Page: 279-286

5 . 1 1 6

JCR@2017

5 . 5 0 0

JCR@2023

ESI HC Threshold:226

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 29

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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