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Type: Journal article
Title: Graphene and cobalt phosphide nanowire composite as an anode material for high performance lithium-ion batteries
Author: Yang, J.
Zhang, Y.
Sun, C.
Liu, H.
Li, L.
Si, W.
Huang, W.
Yan, Q.
Dong, X.
Citation: Nano Research, 2016; 9(3):612-621
Publisher: Springer-Verlag
Issue Date: 2016
ISSN: 1998-0124
Statement of
Jun Yang, Yu Zhang, Chencheng Sun, Hongzheng Liu, Laiquan Li, Weili Si, Wei Huang, Qingyu Yan, and Xiaochen Dong
Abstract: The synthesis of a composite of cobalt phosphide nanowires and reduced graphene oxide (denoted CoP/RGO) via a facile hydrothermal method combined with a subsequent annealing step is reported. The resulting composite presents large specific surface area and enhanced conductivity, which can effectively facilitate charge transport and accommodates variations in volume during the lithiation/de-lithiation processes. As a result, the CoP/RGO nanocomposite manifests a high reversible specific capacity of 960 mA·h·g⁻¹ over 200 cycles at a current density of 0.2 A·g⁻¹ (297 mA·h·g⁻¹ over 10,000 cycles at a current density of 20 A·g⁻¹) and excellent rate capability (424 mA·h·g⁻¹ at a current density of 10 A·g⁻¹).
Keywords: cobalt phosphide; nanowires; anodes; lithium-ion battery
Rights: © Tsinghua University Press and Springer-Verlag Berlin Heidelberg 2015
DOI: 10.1007/s12274-015-0941-5
Appears in Collections:Aurora harvest 3
Chemical Engineering publications

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