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Synthesis of Hierarchical Lamellar Co3O4-CoMoO4 Heterostructures for Lithium-Ion Batteries

Abstract

From the view of nanostructure, hierarchical Lamellar heterostructure is one of the ideal candidates for high-performance electrode materials. Herein, hierarchical lamellar Co3O4-CoMoO4 heterostructures (Co3O4-CoMoO4 HLHs) are synthesized via a facile solvothermal approach with subsequent annealing treatment. The obtained HLHs consist of lamellar parallel stacked CoMoO4 nanosheets, where Co3O4 nanoflakes uniformly grow into array on the surface of CoMoO4 nanosheets. The formation mechanism for Co3O4-CoMoO4 HLHs can be attributed to the sequential precipitation of CoMoO4 and Co3O4 precursors during the solvothermal process. The early nucleated parallel stacked 2D nanosheets serve as templates for the growth of Co hydroxide nanoflakes array. Owing to the structural advantage, the as-obtained Co3O4-CoMoO4 HLHs render its composed electrode with enhanced electrochemical activity, high specific capacity and long-term cycling stability.

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Publication details

The article was received on 27 Jun 2019, accepted on 31 Oct 2019 and first published on 31 Oct 2019


Article type: Paper
DOI: 10.1039/C9TA06920H
J. Mater. Chem. A, 2019, Accepted Manuscript

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    Synthesis of Hierarchical Lamellar Co3O4-CoMoO4 Heterostructures for Lithium-Ion Batteries

    C. He, B. Han, S. Han, Q. Xu, Z. Liang, J. Xu, M. Ye, X. Liu and J. Xu, J. Mater. Chem. A, 2019, Accepted Manuscript , DOI: 10.1039/C9TA06920H

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