4.8 Article

Nanotube Li2MoO4: a novel and high-capacity material as a lithium-ion battery anode

Journal

NANOSCALE
Volume 6, Issue 22, Pages 13660-13667

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c4nr04226c

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Funding

  1. NSFC [51172077]
  2. NSFC Committee of China
  3. Science and Technology Bureau of Guangdong Government [S2011020000521]

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Carbon-coated Li2MoO4 hexagonal hollow nanotubes were fabricated via a facile sot-gel method involving the solution synthesis of Li2MoO4 with subsequent annealing under an inert atmosphere to decompose the organic carbon source. To the best of our knowledge, this is the first report on the synthesis of Li2MoO4 nanotubes. More significantly, we have found that Li2MoO4 can be used as an anode material for lithium-ion batteries (LIBs). When evaluated as an anode material, the carbon-coated Li2MoO4 hollow nanotubes show an excellent electrochemical performance with a high reversible capacity (similar to 550 mA h g(-1)) after 23 cycles, good rate capability and cycling stability. Meanwhile, carbon-free Li2MoO4 sample, fabricated via a solid state reaction, was also prepared for comparison. The Li storage mechanism has been investigated in-detail by advanced XPS, in situ XRD and HRTEM.

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