Abstract
A porous-microsize Si-Al thin film as anode for Li ion batteries was first electrodeposited on Cu foil from propylene carbonate (PC) solution. The process of electrodeposition is investigated by cyclic voltammetry (CV) and chronopotentiometry. The composition and morphology of the Si-Al film are characterized using energy dispersive X-Ray spectroscopy (EDS) and scanning electron microscope (SEM). In battery testing, the electrochemical performance of the Si-Al thin film shows significant high rate performance and cyclic stability. It indicates that the volume changes during the lithiation-delithiation process can be reduced and the conductivity of the thin film is enhanced due to the porous structure and the addition of aluminum.
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© 2014 TMS (The Minerals, Metals & Materials Society)
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Wang, H., Li, B., Zhao, Z. (2014). Electrodeposited Si-Al Thin Film as Anode for Li Ion Batteries. In: TMS 2014: 143rd Annual Meeting & Exhibition. Springer, Cham. https://doi.org/10.1007/978-3-319-48237-8_105
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DOI: https://doi.org/10.1007/978-3-319-48237-8_105
Publisher Name: Springer, Cham
Print ISBN: 978-3-319-48593-5
Online ISBN: 978-3-319-48237-8
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