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      One-Pot Synthesis of Uniform Fe3O4 Nanospheres with Carbon Matrix Support for Improved Lithium Storage Capabilities

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      ACS Applied Materials & Interfaces
      American Chemical Society (ACS)

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          Abstract

          Poly(acrylic acid) (PAA)-entangled Fe(3)O(4) nanospheres are synthesized via a facile solvothermal method. In this system, ethylenediamine plays a very important role to control the uniformity of the nanospheres, and the PAA molecules serve as the carbon source that transforms into a carbon matrix after the heat treatment under an inert atmosphere. These uniform Fe(3)O(4) nanospheres with carbon matrix support manifest greatly enhanced lithium storage properties over prolonged cycling, with a reversible capacity of 712 mA h g(-1) retained after 60 charge/discharge cycles. However, the carbon-free counterpart can only deliver a much lower capacity of 328 mA h g(-1).

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          Author and article information

          Journal
          ACS Applied Materials & Interfaces
          ACS Appl. Mater. Interfaces
          American Chemical Society (ACS)
          1944-8244
          1944-8252
          August 30 2011
          September 12 2011
          : 3
          : 9
          : 3276-3279
          Article
          10.1021/am201079z
          21905690
          70cea6b5-9745-459c-bbef-91a488077fcc
          © 2011
          History

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