Abstract
The fabrication of nanocomposite thin films is reported by pulsed laser deposition. The electrochemical properties were investigated by charge∕discharge measurement and cyclic voltammograms. High-resolution transmission electron microscopy and selected area electron diffraction measurements were employed to explore the electrochemical reaction mechanism. An interesting result was achieved in that polycrystalline was formed in the initial charge process. Afterward, a ternary compound was revealed to be the lithiated product after discharge. The highly reversible processes in subsequent cycles were attributed to the reversible transition between and .
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