Professional Education


  • Doctor of Philosophy, Chinese Academy Of Sciences (2014)
  • Doctor, Institute of Metal Research, Chinese Academy of Sciences, Materials Science (2014)
  • Bachelor of Engineering, Nanjing University of Science and Technology, Materials Science and Engineering (2008)

Stanford Advisors


  • Yi Cui, Postdoctoral Faculty Sponsor

All Publications


  • Balancing surface adsorption and diffusion of lithium-polysulfides on nonconductive oxides for lithium-sulfur battery design NATURE COMMUNICATIONS Tao, X., Wang, J., Liu, C., Wang, H., Yao, H., Zheng, G., Seh, Z. W., Cai, Q., Li, W., Zhou, G., Zu, C., Cui, Y. 2016; 7

    Abstract

    Lithium-sulfur batteries have attracted attention due to their six-fold specific energy compared with conventional lithium-ion batteries. Dissolution of lithium polysulfides, volume expansion of sulfur and uncontrollable deposition of lithium sulfide are three of the main challenges for this technology. State-of-the-art sulfur cathodes based on metal-oxide nanostructures can suppress the shuttle-effect and enable controlled lithium sulfide deposition. However, a clear mechanistic understanding and corresponding selection criteria for the oxides are still lacking. Herein, various nonconductive metal-oxide nanoparticle-decorated carbon flakes are synthesized via a facile biotemplating method. The cathodes based on magnesium oxide, cerium oxide and lanthanum oxide show enhanced cycling performance. Adsorption experiments and theoretical calculations reveal that polysulfide capture by the oxides is via monolayered chemisorption. Moreover, we show that better surface diffusion leads to higher deposition efficiency of sulfide species on electrodes. Hence, oxide selection is proposed to balance optimization between sulfide-adsorption and diffusion on the oxides.

    View details for DOI 10.1038/ncomms11203

    View details for Web of Science ID 000373622000001

    View details for PubMedID 27046216

  • Highly Nitridated Graphene-Li2S Cathodes with Stable Modulated Cycles ADVANCED ENERGY MATERIALS Qiu, Y., Rong, G., Yang, J., Li, G., Ma, S., Wang, X., Pan, Z., Hou, Y., Liu, M., Ye, F., Li, W., Seh, Z. W., Tao, X., Yao, H., Liu, N., Zhang, R., Zhou, G., Wang, J., Fan, S., Cui, Y., Zhang, Y. 2015; 5 (23)