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  • Graphene reduced from magnesiothermic reaction

    Creator:
    Luo, Wei, Wang, Bao, Wang, Xingfeng, Stickle, William F., and Ji, Xiulei
    Abstract:
    We, for the first time, employ magnesiothermic reaction to convert microwave-irradiated graphite oxide to pure graphene. The magnesiothermic reaction raises the carbon to oxygen atomic ratio from 22.2 to 165.7 and maintains a high surface area. The new strategy demonstrates an efficient method for obtaining highly pure graphene materials.
    Resource Type:
    Article
    Full Text:
    Li, M. B. Mueller, S. Gilje, R. B. Kaner, G. G. Wallace, Nat. nanotechnol., 2008, 3, 101 ; (c) M. J

  • Multiple Ambient Hydrolysis Deposition of Tin Oxide into Nanoporous Carbon as a Stable Anode for Lithium-Ion Batteries

    Creator:
    Raju, Vadivukarasi, Wang, Xingfeng, Luo, Wei, and Ji, Xiulei
    Abstract:
    We introduce a novel ambient hydrolysis deposition (AHD) methodology that, for the first time, employs sequential water adsorption followed by a hydrolysis reaction to infiltrate tiny SnO2₂ particles inside nanopores of mesoporous carbon in a conformal and controllable manner. The empty space in the SnO2₂/C composites can be adjusted by...
    Resource Type:
    Article
    Full Text:
    Intense efforts have been devoted to exploring new electrode materials for Li-ion batteries (LIBs) in

  • New chemistry for electrochemical energy storage applications

    Creator:
    Wang, Xingfeng
    Abstract:
    Electrochemical capacitors and batteries are two major electrochemical energy storage technologies, which have been investigated extensively to meet the rapidly-growing demand for higher energy, higher power, lower cost and enhanced safety in the past few decades. With the charge storage mechanism of electrostatic charge adsorption desorption via electrical double layers,...
    Resource Type:
    Dissertation
    Full Text:
    . Zhenyu Xing, Dr. Clement Bommier, Zhifei Li, Daniel Leonard, Ismael Rodriguez Perez, Heng Jiang

  • Ji[David]XiuleiChemistryAmbientHydrolysisDeposition.pdf

    Creator:
    Wang, Xingfeng, Raju, Vadivukarasi, Luo, Wei, Wang, Bao, Stickle, William F., and Ji, Xiulei
    Abstract:
    Despite the considerable advances of deposition technologies, it remains a significant challenge to form conformal deposition on surface of nanoporous carbons. Here, we introduce a new ambient hydrolysis deposition method that employs and controls pre-adsorbed water vapor on nanoporous carbons to define the deposition of TiO₂. We converted the deposited...
    Full Text:
    . Xiong, Y. Jiang, F. Zou, X. Hu, Y. Xin, Z. Zhang, Y. Huang, Energy Environ. Sci. 2013, 6, 2497-2504