Thickness effect on the three-dimensional sculptured SiCu thin films used as negative electrodes in lithium ion batteries

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

Abstract

SiCu (10 %at. Cu) composite three dimensional sculptured films with different thicknesses have been fabricated by an ion-assisted glancing angle co-deposition technique. The films have been evaluated as anodes considering morphological and structural differences depending on the different evaporation durations. The galvanostatic tests show that after 50th cycles the thin film delivers 2124 mAh g-1, but the thick electrode performs 685 mAh g-1 as dicharge capacities. It is believed that the thin film electrode has a better electrochemical performance because increase in process time causes deformation in the helice's morphology, increase in ohmic resistance and generation of more stress in the electrode.

Original languageEnglish
Title of host publicationTMS Annual Meeting
PublisherMinerals, Metals and Materials Society
Pages501-508
Number of pages8
EditionCONFCODENUMBER
ISBN (Electronic)9781119225836
DOIs
Publication statusPublished - 2016
Event145th Annual Meeting and Exhibition, TMS 2016 - Nashville, United States
Duration: 14 Feb 201618 Feb 2016

Publication series

NameTMS Annual Meeting
NumberCONFCODENUMBER
Volume0

Conference

Conference145th Annual Meeting and Exhibition, TMS 2016
Country/TerritoryUnited States
CityNashville
Period14/02/1618/02/16

Keywords

  • Glancing angle deposition
  • Lithium ion battery
  • Sculptured thin film anodes

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