Research Article

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2011, 4(9): 882–890

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https://doi.org/10.1007/s12274-011-0144-7

Ni3Si2O5(OH)4 Multi-Walled Nanotubes with Tunable Magnetic Properties and Their Application as Anode Materials for Lithium Batteries

Yan Yang1,2,§, Qingqin Liang1,§, Jinghong Li1 (), Yuan Zhuang1, Yunhua He2, Bo Bai2, and Xun Wang1 ()

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1 Department of Chemistry, Tsinghua University, Beijing 100084, China
2 College of Environmental Science and Engineering, Chang’an University, Xi’an 710054, China§ Contributed equally to this work

Keywords: Silicate nanotubes, Ni nanocrystals, lithium battery, magnetic properties
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  • Abstract
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Highly crystalline and thermally stable pure multi-walled Ni3Si2O5(OH)4 nanotubes with a layered structure have been synthesized in water at a relatively low temperature of 200–210 °C using a facile and simple method. The nickel ions between the layers could be reduced in situ to form size-tunable Ni nanocrystals, which endowed these nanotubes with tunable magnetic properties. Additionally, when used as the anode material in a lithium ion battery, the layered structure of the Ni3Si2O5(OH)4 nanotubes provided favorable transport kinetics for lithium ions and the discharge capacity reached 226.7 mA·h·g–1 after 21 cycles at a rate of 20 mA·g–1. Furthermore, after the nanotubes were calcined (600 °C, 4 h) or reduced (180 °C, 10 h), the corresponding discharge capacities increased to 277.2 mA·h·g–1 and 308.5 mA·h·g–1, respectively.
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Ni3Si2O5(OH)4 Multi-Walled Nanotubes with Tunable Magnetic Properties and Their Application as Anode Materials for Lithium Batteries. Nano Res. 2011, 4(9): 882–890 https://doi.org/10.1007/s12274-011-0144-7

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