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Transition metal oxide-carbon composites as conversion anodes for sodium-ion battery
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Hasa, Ivana, Verrelli, Roberta and Hassoun, Jusef (2015) Transition metal oxide-carbon composites as conversion anodes for sodium-ion battery. Electrochimica Acta, 173 . pp. 613-618. doi:10.1016/j.electacta.2015.05.107 ISSN 0013-4686.
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Official URL: http://dx.doi.org/10.1016/j.electacta.2015.05.107
Abstract
Herein, we characterize various metal oxide-carbon composites, i.e. CuO-MCMB (mesocarbon microbeads), Fe2O3–MCMB and NiO-MCMB, as anode materials for application in sodium-ion battery. The electrodes, supposed to react through a conversion mechanism, are studied in terms of structure, morphology and electrochemical behavior in sodium cell. The results demonstrate a specific capacity of the order of 100 mAh g−1 for Fe2O3–MCMB and NiO-MCMB, and of about 300 mAh g−1 for CuO-MCMB. The remarkable performance of the latter suggests the copper oxide-based electrode as the preferred anode material for battery application. Indeed, further study aimed to clarify the Na/CuO-MCMB reaction mechanism is performed by ex-situ X-ray diffraction on electrode material cast onto aluminum support. The study suggests a partial conversion reaction for CuO-based anode that is considered suitable candidate in replacement of sodium metal, in efficient and safe Na-ion battery.
Item Type: | Journal Article | ||||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||||
Journal or Publication Title: | Electrochimica Acta | ||||||||
Publisher: | Pergamon | ||||||||
ISSN: | 0013-4686 | ||||||||
Official Date: | 10 August 2015 | ||||||||
Dates: |
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Volume: | 173 | ||||||||
Page Range: | pp. 613-618 | ||||||||
DOI: | 10.1016/j.electacta.2015.05.107 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Restricted or Subscription Access |
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