Journal
JOURNAL OF CRYSTAL GROWTH
Volume 306, Issue 2, Pages 418-421Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jcrysgro.2007.05.013
Keywords
characterization; nanostructures; oxides
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Hierarchical NiO nanoflowers with porous petals were created by calcining the isomorphological beta-Ni(OH)(2) precursor, which originated from the reaction between Ni(dmg)(2) (nickel dimethylglyoximate) and NaOH. Thus-prepared porous NiO flowers displayed a direct energy band of 3.59 eV and a first discharge capacity of 858 mAh g(-1) vs Li metal. Compared with that of the normal nanoparticles, the higher electrochemical lithium intercalation could be ascribed to their special nanoporous structure. (c) 2007 Elsevier B.V. All rights reserved.
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