Si and SiCu three dimensional sculptured films as negative electrodes for rechargeable lithium ion batteries

B. Deniz Polat, Ozgul Keles*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review


Three dimensional sculptured Si films with (10 %at.) and without Cu contents have been fabricated by an ion-assisted glancing angle co-deposition technique. Once the morphological and structural differences depending on Cu contents of the films have been evaluated, their uses as anodes in lithium ion batteries have been also discussed. The morphological analyses demonstrate that Cu presence improves nano ordering and the homogenity along the nano sculptured structure. The galvanostatic tests show that the film without Cu fails quickly, but the one with 10%at. Cu content delivers 800 mAh g-1 with 99% coulombic efficiency after 100th cycles. It is believed that the composite electrode has a better electrochemical performance because Cu plays a crucial role in holding the electrode together, buffering the mechanical resistance and enabling faster electron transfer.

Original languageEnglish
Title of host publicationTMS Annual Meeting
PublisherMinerals, Metals and Materials Society
Number of pages8
ISBN (Electronic)9781119225836
Publication statusPublished - 2016
Event145th Annual Meeting and Exhibition, TMS 2016 - Nashville, United States
Duration: 14 Feb 201618 Feb 2016

Publication series

NameTMS Annual Meeting


Conference145th Annual Meeting and Exhibition, TMS 2016
Country/TerritoryUnited States


  • Composite electrode
  • Glancing angle depositon
  • Lithium ion battery
  • Sculptured thin film anode


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