Single-crystalline NiCo 2O 4 nanoneedle arrays grown on conductive substrates as binder-free electrodes for high-performance supercapacitors

Gen Qiang Zhang; Hao Bin Wu; Harry E. Hoster; Mary B. Chan-Park; Xiong Wen Lou

doi:10.1039/c2ee22572g

Single-crystalline NiCo ₂O ₄ nanoneedle arrays grown on conductive substrates as binder-free electrodes for high-performance supercapacitors

Gen Qiang Zhang
, Hao Bin Wu
, Harry E. Hoster
, Mary B. Chan-Park
, Xiong Wen Lou

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

789 Citations (Scopus)

Abstract

In this work, we have successfully grown single-crystalline nanoneedle arrays of NiCo ₂O ₄ on conductive substrates such as Ni foam and Ti foil through a simple solution method together with a post-annealing treatment. Remarkably, the NiCo ₂O ₄-Ni foam binder-free electrode exhibits greatly improved electrochemical performance with very high capacitance and excellent cycling stability. © 2012 The Royal Society of Chemistry.

Original language	English
Pages (from-to)	9453-9456
Journal	Energy and Environmental Science
Volume	5
Issue number	11
DOIs	https://doi.org/10.1039/c2ee22572g
Publication status	Published - Nov 2012
Externally published	Yes

Bibliographical note

Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

Funding

This publication is made possible with the financial support from the Singapore National Research Foundation under its Campus for Research Excellence and Technological Enterprise (CREATE) programme.

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Cite this

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title = "Single-crystalline NiCo 2O 4 nanoneedle arrays grown on conductive substrates as binder-free electrodes for high-performance supercapacitors",

abstract = "In this work, we have successfully grown single-crystalline nanoneedle arrays of NiCo 2O 4 on conductive substrates such as Ni foam and Ti foil through a simple solution method together with a post-annealing treatment. Remarkably, the NiCo 2O 4-Ni foam binder-free electrode exhibits greatly improved electrochemical performance with very high capacitance and excellent cycling stability. {\textcopyright} 2012 The Royal Society of Chemistry.",

author = "Zhang, \{Gen Qiang\} and Wu, \{Hao Bin\} and Hoster, \{Harry E.\} and Chan-Park, \{Mary B.\} and Lou, \{Xiong Wen\}",

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Single-crystalline NiCo ₂O ₄ nanoneedle arrays grown on conductive substrates as binder-free electrodes for high-performance supercapacitors. / Zhang, Gen Qiang; Wu, Hao Bin; Hoster, Harry E. et al.
In: Energy and Environmental Science, Vol. 5, No. 11, 11.2012, p. 9453-9456.

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

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AU - Chan-Park, Mary B.

AU - Lou, Xiong Wen

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