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Interconnected LiCuVO4 Networks with In-Situ Cu Generation as High-Performance Lithium-Ion Battery Anode

Abstract

Interconnected LiCuVO4 networks are synthesized through a facile surfactant-assisted approach. Detailed investigations on the lithium storage mechanism manifest that metallic Cu nanoparticles are in-situ generated during the first discharge process and remain mostly intact in the following cycles, thereby enhancing the conductivity of the electrode. The interconnected networks with submicron sized primary particles endow the LiCuVO4 with a large amount of active sites and thus high capacitive charge storage. Benefiting from the peculiar structure, the resultant interconnected LiCuVO4 networks deliver extraordinary rate performance (216 mA h g-1 up to 10 A g-1) and ultralong cycling stability (~85% capacity retention after 5000 cycles at 5 A g-1). The exceptional rate performance and cycling stability show that the interconnected LiCuVO4 networks possess great potential for lithium-ion batteries.

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Publication details

The article was received on 04 Jan 2017, accepted on 17 Mar 2017, published on 20 Mar 2017 and first published online on 20 Mar 2017


Article type: Paper
DOI: 10.1039/C7CP00049A
Citation: Phys. Chem. Chem. Phys., 2017, Accepted Manuscript
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    Interconnected LiCuVO4 Networks with In-Situ Cu Generation as High-Performance Lithium-Ion Battery Anode

    L. Wang, Y. Dong, K. Zhao, W. Luo, S. Li, L. Zhou and L. Mai, Phys. Chem. Chem. Phys., 2017, Accepted Manuscript , DOI: 10.1039/C7CP00049A

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