Synthesis of Nickeled Hydroxide with Different Morphologies Using an Ionic Liquid

Xu Cunying; Hua Yixin

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Synthesis of Nickeled Hydroxide with Different Morphologies Using an Ionic Liquid

Xu Cunying 1 * #,Hua Yixin 2

1.Faculty of Metallurgical and Energy, Kunming University of Science and Technology

2.Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology

*Correspondence author

#Submitted by

Subject:

Funding: the Specialized Research Roundation for the Doctoral Program of Higher Education （No.No.20070674001）

Opened online: 8 September 2010

Accepted by: none

Citation: Xu Cunying,Hua Yixin.Synthesis of Nickeled Hydroxide with Different Morphologies Using an Ionic Liquid[OL]. [ 8 September 2010] http://en.paper.edu.cn/en_releasepaper/content/4383993

A new and facile route has been developed to synthesize beta-Ni(OH)2 nanostructures using ionic liquid 1-butyl-3-methylimidazolium tetrafluoroborate ([Bmim]BF4) as reaction media under solvothermal conditions. The beta-Ni(OH)2 with different morphologies, such as nanoflakes, nanoplatelet and nanorods, can be obtained by controlling the volume ratio of the ionic liquid to water and reaction temperature. The as-prepared products were characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM). The as-prepared beta-Ni(OH)2 composite electrodes were prepared by mixing 10 wt.% samples with common spherical Ni(OH)2 to carry out charge-discharge test. The results show that the as-prepared beta-Ni(OH)2 composite electrodes have higher discharge specific capacity, and the beta-Ni(OH)2 nanoflakes show a better electrochemical performance than the others.

Keywords:nickel hydroxide; ionic liquid; different morphologies; electrochemical performance

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