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Electrodeposition of Si and Sn-based amorphous films for high energy novel electrode materials
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Gallanti, Serena, Loveridge, Melanie and Bhagat, Rohit (2017) Electrodeposition of Si and Sn-based amorphous films for high energy novel electrode materials. MRS Advances, 2 (54). pp. 3249-3254. doi:10.1557/adv.2017.390
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Official URL: http://dx.doi.org/10.1557/adv.2017.390
Abstract
In this work we report the electrodeposition parameters of Sn-graphene films in aqueous solutions and silicon films in propylene carbonate. The galvanostatic electrodeposition of tin-graphene films from a sulfate-based acidic solution on copper substrates has been studied evaluating the effect of stirring on the morphology and the electrochemical performance. SEM analysis of films deposited galvanostatically at -10 mA.cm−2 for 20 minutes at 25 °C reveals that electrodeposition is suitable to generate continuous and homogeneous films with thickness values in the micrometer range. XRD analysis shows many intermetallic Cu-Sn crystalline phases are formed, as opposed to a pure amorphous tin layer. So far, electrochemical characterization has only been performed over a short number of charge-discharge cycles. The galvanostatic electrodeposition of silicon from propylene carbonate in galvanostatic mode has been carried out, but is currently extremely challenging to obtain continuous and homogeneous films. The XRD characterization has suggested the possible presence of amorphous phases in the films deposited at -1.0 mA.cm-2 for 30 minutes at 25 °C.
| Item Type: | Journal Article | ||||||
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| Divisions: | Faculty of Science > WMG (Formerly the Warwick Manufacturing Group) | ||||||
| Journal or Publication Title: | MRS Advances | ||||||
| Publisher: | Cambridge University Press | ||||||
| ISSN: | 2059-8521 | ||||||
| Official Date: | 1 June 2017 | ||||||
| Dates: |
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| Date of first compliant deposit: | 15 August 2019 | ||||||
| Volume: | 2 | ||||||
| Number: | 54 | ||||||
| Page Range: | pp. 3249-3254 | ||||||
| DOI: | 10.1557/adv.2017.390 | ||||||
| Status: | Peer Reviewed | ||||||
| Publication Status: | Published | ||||||
| Publisher Statement: | This article has been published in a revised form in MRS Advances http://doi.org/10.1557/adv.2017.390. This version is free to view and download for private research and study only. Not for re-distribution, re-sale or use in derivative works. © Materials Research Society 2017 | ||||||
| Access rights to Published version: | Restricted or Subscription Access |
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