Lithium extraction-insertion from/into LiCoPO4 in aqueous batteries

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dc.contributor.authorMinakshi, Men_AU
dc.contributor.authorSingh, Pen_AU
dc.contributor.authorSharma, Nen_AU
dc.contributor.authorBlackford, MGen_AU
dc.contributor.authorIonescu, Men_AU
dc.date.accessioned2011-03-07T22:46:36Zen_AU
dc.date.available2011-03-07T22:46:36Zen_AU
dc.date.issued2011-02-16en_AU
dc.date.statistics2011-02-16en_AU
dc.description.abstractA novel 1 V battery composed of Sn−LiCoPO4 using aqueous lithium hydroxide electrolyte is described. Reversible extraction and insertion of lithium from and into the olivine-type LiCoPO4 is reported. The electrochemical behavior of the Sn−LiCoPO4 battery was analyzed using charge/discharge cycling and cyclic voltammetry. Sn−LiCoPO4 battery exhibited charge/discharge voltages of 1.3 V/0.8 V versus Sn with a reversible capacity of 80 mAh/g. The structural and morphological changes of LiCoPO4 particles before and after electrochemical measurements were investigated by X-ray diffraction (XRD) and transmission electron microscopy. XRD data showed that extraction of lithium proceeds via at least a two-phase mechanism with LiCoPO4 and CoPO4 phases. Upon lithium reinsertion crystalline LiCoPO4 was formed. The cell voltage indicated these batteries were not completely charged, forming single-phase CoPO4 material. Energy-dispersive X-ray analysis coupled with transmission electron microscopy confirmed the chemical quality of the charged and discharged LiCoPO4 in terms of crystallinity and elemental distribution. © 2011, American Chemical Societyen_AU
dc.identifier.citationMinakshi, M., Singh, P., Sharma, N., Blackford, M., & Ionescu, M. (2011). Lithium extraction-insertion from/into LiCoPO4 in aqueous batteries. Industrial & Engineering Chemistry Research, 50(4), 1899-1905. doi:10.1021/ie102267xen_AU
dc.identifier.govdoc3275en_AU
dc.identifier.issn0888-5885en_AU
dc.identifier.issue4en_AU
dc.identifier.journaltitleIndustrial & Engineering Chemistry Researchen_AU
dc.identifier.pagination1899-1905en_AU
dc.identifier.urihttp://dx.doi.org/10.1021/ie102267xen_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/3105en_AU
dc.identifier.volume50en_AU
dc.language.isoenen_AU
dc.publisherAmerican Chemical Societyen_AU
dc.subjectX-ray diffractionen_AU
dc.subjectLithiumen_AU
dc.subjectTransmission electron microscopyen_AU
dc.subjectVoltametryen_AU
dc.subjectSilicate mineralsen_AU
dc.subjectOlivineen_AU
dc.titleLithium extraction-insertion from/into LiCoPO4 in aqueous batteriesen_AU
dc.typeJournal Articleen_AU
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