Nanostructured ion beam-modified Ge films for high capacity Li ion battery anodes

N. G. Rudawski*, B. L. Darby, B. R. Yates, K. S. Jones, R. G. Elliman, A. A. Volinsky

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    81 Citations (Scopus)

    Abstract

    Nanostructured ion beam-modified Ge electrodes fabricated directly on Ni current collector substrates were found to exhibit excellent specific capacities during electrochemical cycling in half-cell configuration with Li metal for a wide range of cycling rates. Structural characterization revealed that the nanostructured electrodes lose porosity during cycling but maintain excellent electrical contact with the metallic current collector substrate. These results suggest that nanostructured Ge electrodes have great promise for use as high performance Li ion battery anodes.

    Original languageEnglish
    Article number083111
    JournalApplied Physics Letters
    Volume100
    Issue number8
    DOIs
    Publication statusPublished - 20 Feb 2012

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