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Issue 11, 2012
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Single-crystalline NiCo2O4 nanoneedle arrays grown on conductive substrates as binder-free electrodes for high-performance supercapacitors

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Abstract

In this work, we have successfully grown single-crystalline nanoneedle arrays of NiCo2O4 on conductive substrates such as Ni foam and Ti foil through a simple solution method together with a post-annealing treatment. Remarkably, the NiCo2O4–Ni foam binder-free electrode exhibits greatly improved electrochemical performance with very high capacitance and excellent cycling stability.

Graphical abstract: Single-crystalline NiCo2O4 nanoneedle arrays grown on conductive substrates as binder-free electrodes for high-performance supercapacitors

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Article information


Submitted
17 Jun 2012
Accepted
25 Jul 2012
First published
25 Jul 2012

Energy Environ. Sci., 2012,5, 9453-9456
Article type
Communication

Single-crystalline NiCo2O4 nanoneedle arrays grown on conductive substrates as binder-free electrodes for high-performance supercapacitors

G. Q. Zhang, H. B. Wu, H. E. Hoster, M. B. Chan-Park and X. W. (. Lou, Energy Environ. Sci., 2012, 5, 9453
DOI: 10.1039/C2EE22572G

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