Advanced Materials

Nanostructured Electrodes: The Role of Surface and Interface Energy on Phase Stability of Nanosized Insertion Compounds (Adv. Mater. 25–26/2009)

Authors

  • Marnix Wagemaker,

    Corresponding author
    1. Department of Radiation, Radionuclides and Reactors Faculty of Applied Sciences Mekelweg 15, 2629 JB Delft (The Netherlands)
    • Department of Radiation, Radionuclides and Reactors Faculty of Applied Sciences Mekelweg 15, 2629 JB Delft (The Netherlands).
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  • Fokko M. Mulder,

    1. Department of Radiation, Radionuclides and Reactors Faculty of Applied Sciences Mekelweg 15, 2629 JB Delft (The Netherlands)
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  • Anton Van der Ven

    Corresponding author
    1. Department of Materials Science and Engineering University of Michigan Ann Arbor, MI 48109 (USA)
    • Department of Materials Science and Engineering University of Michigan Ann Arbor, MI 48109 (USA).
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Abstract

The cover shows three structures of the Li-ion battery electrode material LixFePO4 having two coexisting phases Li-rich: dark blue, Li-poor: light blue. The vertical decreasing dimension represents the downsizing of the particle size which leads to more similar Li-ion equilibrium concentrations in both phases, as indicated by the lower contrast between the blue shaded Li-ions. This result, reported by Marnix Wagemaker and co-workers on p. 2703, helps explain the changes in equilibrium properties in nanostructured insertion compounds such as Li-ion battery electrodes and H-storage materials.

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