Synthesis of ordered Ni/NiO nanocables for electrochemical capacitor application

  • Junxia Wang
  • Jianwei Zhao
  • Lirong Qin
  • Binglin Zhao
  • Zhengyan Jiang
Research Paper


Ordered Ni/NiO nanocables were fabricated by electrochemical deposition with the aid of an anodic aluminum oxide as a template, followed by annealing at high temperature. Their morphology and structure are characterized, and the results show that each nanocable has a Ni nanowire as the inner core and a coarse NiO layer as an outer shell. As electrode materials for pseudo-capacitors, the ordered Ni/NiO nanocables exhibit a specific capacitance of 398 mF cm−2 at 1 mA cm−2 and good cycling stability. The good electrochemical performance can be attributed to the special core-shell nanocable architecture, in which the Ni nanowire core plays the role of the metallic interconnect as well as fast electron transfer, while the thin NiO shell with a large surface area serves as the active materials.


Nanocables Template method Nickel oxide Core-shell Supercapacitors Energy storage 


Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Supplementary material

11051_2018_4201_MOESM1_ESM.docx (120 kb)
ESM 1 (DOCX 120 kb)


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Copyright information

© Springer Science+Business Media B.V., part of Springer Nature 2018

Authors and Affiliations

  • Junxia Wang
    • 1
  • Jianwei Zhao
    • 1
  • Lirong Qin
    • 1
  • Binglin Zhao
    • 1
  • Zhengyan Jiang
    • 1
  1. 1.School of Physical Science and TechnologySouthwest UniversityChongqingPeople’s Republic of China

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