Effect of post-heat treatment on the electrochemical performance of sandwich structured Cu/Sn/Cu electrode

B. Bilici, B. D. Polat, O. Keles

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

Abstract

In this work, we have produced Cu/Sn/Cu sandwich structured film by electrodeposition method, to be used as a negative electrode for rechargeable lithium ion battery. To promote the interaction between Cu/Sn/Cu layers, an additional post-heat treatment (200 C, 48h under vacuum atmosphere) has been applied to the coatings. The galvanostatic test results prove that morphological changes and CmSi intermetallics formation in the film as a result of heat treatment process promote the capacity retention of the electrode. After 30 cycle, the capacities of the Cu/Sn/Cu electrodes with and without heat treatments are 230 mAh g-1, 100 mAh g-1 respectively. This demonstrates that the post-heat treatment process improves cycle performance of the electrode.

Original languageEnglish
Title of host publicationTMS Annual Meeting
PublisherMinerals, Metals and Materials Society
Pages755-762
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

  • Anode
  • Electrochemical deposition
  • Heat treatment
  • Lithium ion battery
  • Sandwich structured electrode
  • Sn based film

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