Investigations of aluminum fluoride as a new cathode material for lithium-ion batteries

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dc.contributor.authorOwen, N.
dc.contributor.authorZhang, Qi
dc.date.accessioned2017-04-06T14:27:55Z
dc.date.available2017-04-06T14:27:55Z
dc.date.issued2017-02-20
dc.description.abstractFour differently prepared aluminum fluoride samples were tested as cathode materials for rechargeable lithium batteries. The charge–discharge results showed an initial capacity of over 900 mAh g−1 for most of the samples at a voltage of around 2 V, giving specific energy densities of over 7405 kJ kg−1, higher than many commercial materials. The cycling results showed an initial high-capacity with rapid capacity fade. The reversible conversion reaction of aluminum fluoride was shown to follow the reduction of AlF3 into LiF and Al during discharge and upon charge Al would be oxidized to form AlF3 and Li again. It was found that not all the AlF3 would be oxidized due to the large surface/interfacial energy produced by the production of nano LiF and Al particles and the large reduction in size from the initial particles to the reduced phase. There was formation of unwanted Li3AlF6 due to the reaction of AlF3, LiF, and LiPF6 which also reduced the cycling capacity.en_UK
dc.identifier.citationOwen, N. & Zhang, Q., Journal of Applied Electrochemistry (2017) Volume 47, Issue 4, Pages 417 - 431.en_UK
dc.identifier.issn0021-891X
dc.identifier.urihttp://dx.doi.org/10.1007/s10800-017-1049-2
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/11746
dc.language.isoenen_UK
dc.publisherSpringer Verlag (Germany)en_UK
dc.rightsAttribution 4.0 International (CC BY 4.0) You are free to: Share — copy and redistribute the material in any medium or format, Adapt — remix, transform, and build upon the material for any purpose, even commercially. The licensor cannot revoke these freedoms as long as you follow the license terms. Under the following terms: Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. Information: No additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.
dc.subjectAlF3en_UK
dc.subjectCathodeen_UK
dc.subjectLi-ion batteriesen_UK
dc.subjectElectrochemical propertiesen_UK
dc.titleInvestigations of aluminum fluoride as a new cathode material for lithium-ion batteriesen_UK
dc.typeArticleen_UK

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