High capacity MoO 2/graphite oxide composite anode for lithium-ion batteries

Yun Xu, Ran Yi, Bin Yuan, Xiaofei Wu, Marco Dunwell, Qianglu Lin, Ling Fei, Shuguang Deng, Paul Andersen, Donghai Wang, Hongmei Luo

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Nanostructured MoO 2/graphite oxide (GO) composites are synthesized by a simple solvothermal method. X-ray diffraction and transmission electron microscopy analyses show that with the addition of GO and the increase in GO content in the precursor solutions, MoO 3 rods change to MoO 2 nanorods and then further to MoO 2 nanoparticles, and the nanorods or nanoparticles are uniformly distributed on the surface of the GO sheets in the composites. The MoO 2/GO composite with 10 wt % GO exhibits a reversible capacity of 720 mAh/g at a current density of 100 mA/g and 560 mAh/g at a high current density of 800 mA/g after 30 cycles. The improved reversible capacity, rate capacity, and cycling performance of the composites are attributed to synergistic reaction between MoO 2 and GO.

Original languageEnglish (US)
Pages (from-to)309-314
Number of pages6
JournalJournal of Physical Chemistry Letters
Issue number3
StatePublished - Feb 2 2012

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Physical and Theoretical Chemistry

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    Xu, Y., Yi, R., Yuan, B., Wu, X., Dunwell, M., Lin, Q., Fei, L., Deng, S., Andersen, P., Wang, D., & Luo, H. (2012). High capacity MoO 2/graphite oxide composite anode for lithium-ion batteries. Journal of Physical Chemistry Letters, 3(3), 309-314. https://doi.org/10.1021/jz201619r