Structural changes in a commercial lithium-ion battery during electrochemical cycling: an in situ neutron diffraction study

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dc.contributor.authorSharma, Nen_AU
dc.contributor.authorPeterson, VKen_AU
dc.contributor.authorElcombe, MMen_AU
dc.contributor.authorAvdeev, Men_AU
dc.contributor.authorStuder, AJen_AU
dc.contributor.authorBlagojevic, Nen_AU
dc.contributor.authorYusoff, RYen_AU
dc.contributor.authorKamarulzaman, Nen_AU
dc.date.accessioned2010-11-03T03:03:15Zen_AU
dc.date.available2010-11-03T03:03:15Zen_AU
dc.date.issued2010-12-15en_AU
dc.date.statistics2010-12-15en_AU
dc.description.abstractThe structural response to electrochemical cycling of the components within a commercial Li-ion battery (LiCoO2 cathode, graphite anode) is shown through in situ neutron diffraction. Lithuim insertion and extraction is observed in both the cathode and anode. In particular, reversible Li incorporation into both layered and spinel-type LiCoO2 phases that comprise the cathode is shown and each of these components features several phase transitions attributed to Li content and correlated with the state-of-charge of the battery. At the anode, a constant cell voltage correlates with a stable lithiated graphite phase. Transformation to de-lithiated graphite at the discharged state is characterised by a sharp decrease in both structural cell parameters and cell voltage. In the charged state, a two-phase region exists and is composed of the lithiated graphite phase and about 64% LiC6. It is postulated that trapping Li in the solid|electrolyte interface layer results in minimal structural changes to the lithiated graphite anode across the constant cell voltage regions of the electrochemical cycle. © 2010, Elsevier Ltd.en_AU
dc.identifier.citationSharma, N., Peterson, V. K., Elcombe, M. M., Avdeev, M., Studer, A. J., Blagojevic, N., Yosoff, R., & Kamarulzaman, N. (2010). Structural changes in a commercial lithium-ion battery during electrochemical cycling: an in situ neutron diffraction study. Journal of Power Sources, 195(24), 8258-8266. doi:10.1016/j.jpowsour.2010.06.114en_AU
dc.identifier.govdoc2984en_AU
dc.identifier.issn0378-7753en_AU
dc.identifier.issue24en_AU
dc.identifier.journaltitleJournal of Power Sourcesen_AU
dc.identifier.pagination8258-8266en_AU
dc.identifier.urihttp://dx.doi.org/10.1016/j.jpowsour.2010.06.114en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/2804en_AU
dc.identifier.volume195en_AU
dc.language.isoenen_AU
dc.publisherElsevieren_AU
dc.subjectLithiumen_AU
dc.subjectNeutron diffractionen_AU
dc.subjectRadioisotope batteriesen_AU
dc.subjectGraphiteen_AU
dc.subjectElectrochemistryen_AU
dc.subjectCathodesen_AU
dc.titleStructural changes in a commercial lithium-ion battery during electrochemical cycling: an in situ neutron diffraction studyen_AU
dc.typeJournal Articleen_AU
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