Issue 15, 2011
From the journal:

CrystEngComm

Surfactant-free preparation of NiO nanoflowers and their lithium storage properties

Feng Cao,ab   Feng Zhang,a   Ruiping Deng,a   Wen Hu,ab   Dapeng Liu,a   Shuyan Songa  and  Hongjie Zhang*a  

* Corresponding authors

a State Key Laboratory of Rare Earth Resource Utilizations, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, China
E-mail: hongjie@ciac.jl.cn
Fax: +86-431-85698041
Tel: +86-431-85262127

b Graduate School of the Chinese Academy of Sciences, Beijing, P. R. China

Abstract

Well-defined 3D Ni(OH)2 nanoflowers were synthesized in high yield via a simple surfactant-free hydrothermal process. On the basis of a series of contrast experiments, the probable growth mechanism and fabrication process of the products were proposed. NiO nanoflowers have also been obtained by thermal decomposition of Ni(OH)2 nanoflowers in air at 500 °C. N2 adsorption–desorption measurements indicate the BET surface area is 198 m2 g−1 and the average pore size of the NiO nanoflowers is 15.1 nm. The electrochemical properties of the NiO electrodes in a lithium ion battery and magnetic performance were also investigated. The first discharge capacity of the NiO nanoflowers could reach about 1300 mA h g−1. The unique flower-like structure played a critical role in the morphology requirement to serve as a transport path for lithium ions in lithium batteries.

Graphical abstract: Surfactant-free preparation of NiO nanoflowers and their lithium storage properties

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Article information

DOI
https://doi.org/10.1039/C1CE05237C
Article type
Paper
Submitted
22 Feb 2011
Accepted
09 May 2011
First published
10 Jun 2011

CrystEngComm, 2011,13, 4903-4908

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Surfactant-free preparation of NiO nanoflowers and their lithium storage properties

F. Cao, F. Zhang, R. Deng, W. Hu, D. Liu, S. Song and H. Zhang, CrystEngComm, 2011, 13, 4903 DOI: 10.1039/C1CE05237C

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