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Wang D, Kong LB, Liu MC, et al. An Approach to Preparing Ni-P with Different Phases for Use as Supercapacitor Electrode Materials. Chemistry. 2015;21(49):17897-903doi: 10.1002/chem.201502269.
Wang, D., Kong, L. B., Liu, M. C., Luo, Y. C., & Kang, L. (2015). An Approach to Preparing Ni-P with Different Phases for Use as Supercapacitor Electrode Materials. Chemistry (Weinheim an der Bergstrasse, Germany), 21(49), 17897-903. https://doi.org/10.1002/chem.201502269
Wang, Dan, et al. "An Approach to Preparing Ni-P with Different Phases for Use as Supercapacitor Electrode Materials." Chemistry (Weinheim an der Bergstrasse, Germany) vol. 21,49 (2015): 17897-903. doi: https://doi.org/10.1002/chem.201502269
Wang D, Kong LB, Liu MC, Luo YC, Kang L. An Approach to Preparing Ni-P with Different Phases for Use as Supercapacitor Electrode Materials. Chemistry. 2015 Dec 01;21(49):17897-903. doi: 10.1002/chem.201502269. Epub 2015 Oct 19. PMID: 26477441.
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Chemistry. 2015 Dec 01;21(49):17897-903. doi: 10.1002/chem.201502269. Epub 2015 Oct 19.

An Approach to Preparing Ni-P with Different Phases for Use as Supercapacitor Electrode Materials.

Chemistry (Weinheim an der Bergstrasse, Germany)

Dan Wang, Ling-Bin Kong, Mao-Cheng Liu, Yong-Chun Luo, Long Kang

Affiliations

  1. State Key Laboratory of Advanced Processing and Recycling of Non-Ferrous Metals Lanzhou University of Technology, Lanzhou 730050 (P.R. China).
  2. State Key Laboratory of Advanced Processing and Recycling of Non-Ferrous Metals Lanzhou University of Technology, Lanzhou 730050 (P.R. China). [email protected].
  3. School of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou 730050 (P.R. China). [email protected].
  4. School of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou 730050 (P.R. China).

PMID: 26477441 DOI: 10.1002/chem.201502269

Abstract

Herein, we describe a simple two-step approach to prepare nickel phosphide with different phases, such as Ni2 P and Ni5 P4 , to explain the influence of material microstructure and electrical conductivity on electrochemical performance. In this approach, we first prepared a Ni-P precursor through a ball milling process, then controlled the synthesis of either Ni2 P or Ni5 P4 by the annealing method. The as-prepared Ni2 P and Ni5 P4 are investigated as supercapacitor electrode materials for potential energy storage applications. The Ni2 P exhibits a high specific capacitance of 843.25 F g(-1) , whereas the specific capacitance of Ni5 P4 is 801.5 F g(-1) . Ni2 P possesses better cycle stability and rate capability than Ni5 P4 . In addition, the Fe2 O3 //Ni2 P supercapacitor displays a high energy density of 35.5 Wh kg(-1) at a power density of 400 W kg(-1) and long cycle stability with a specific capacitance retention rate of 96 % after 1000 cycles, whereas the Fe2 O3 //Ni5 P4 supercapacitor exhibits a high energy density of 29.8 Wh kg(-1) at a power density of 400 W kg(-1) and a specific capacitance retention rate of 86 % after 1000 cycles.

© 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Keywords: electrical conductivity; electrode materials; nickel phosphide; power sources; supercapacitors

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