Nanostructured Silicon Thin Film Electrodes for Li-Ion Batteries

Abstract

In this study we produced nanostructured silicon thin lms as lithium ion battery electrodes.Films were sputtered onto stainless steel substrates from high purity silicon target via dc magnetron sputtering technique with using dierent powers.Morphology and crystal structure of lms were characterized with the use of scanning electron microscopy, X-ray diraction and energy dispersive spectroscopy analysis, respectively.The thickness of lms was measured by using surface proler.Coin type test cells were assembled in argon lled glove box.Electrochemical performance of cells was tested on an electrochemical analyzer using constant current densities over a voltage range of 0.22 V.