Synthesis and characterization of Li(Co0.5Ni0.5)PO4 cathode for li-ion aqueous battery applications

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dc.contributor.authorMinakshi, Men_AU
dc.contributor.authorSharma, Nen_AU
dc.contributor.authorRalph, Den_AU
dc.contributor.authorAppadoo, Den_AU
dc.contributor.authorNallathamby, Ken_AU
dc.date.accessioned2011-09-21T05:23:33Zen_AU
dc.date.available2011-09-21T05:23:33Zen_AU
dc.date.issued2011-03-17en_AU
dc.date.statistics2011-09-21en_AU
dc.description.abstractOlivine-type lithium orthophosphate Li(Co0.5Ni0.5)PO4 was synthesized in a solid state reaction at 800 degrees C in air. Infra-red spectroscopy, x-ray and neutron powder diffraction were used to characterize the as-prepared compound and its electro-oxidized analogue. Rietveld analysis was used to illustrate that the synthesized compound is isostructural with LiNiPO4 and LiCoPO4 with lattice parameters larger than the former and smaller than the latter. The Rietveld-refined Ni:Co ratio was found to be 0.498(4):0.502(4) and no evidence for long-range Ni: Co ordering or mixed Li/Ni/Co cation sites was found. The electro-oxidised electrode showed a mixture of two phases i.e. parent Li(Co0.5Ni0.5)PO4 and lithium extracted Li1-x(Co0.5Ni0.5)PO4 suggesting a delithiation process in aqueous electrolytes. Reversible Li transfer between a Li(Co0.5Ni0.5)PO4 electrode and an aqueous LiOH electrolyte was demonstrated. (C) 2011 The Electrochemical Society. [doi:10.1149/1.3561764]en_AU
dc.identifier.citationMinakshi, M., Sharma, N., Ralph, D., Appadoo, D., Nallathamby, K. (2011). Synthesis and characterization of Li(Co0.5Ni0.5)PO4 cathode for li-ion aqueous battery applications. Electrochemical and Solid State Letters, 14(6), A86-A89. doi:10.1149/1.3561764en_AU
dc.identifier.govdoc3418en_AU
dc.identifier.issn1099-0062en_AU
dc.identifier.issue6en_AU
dc.identifier.journaltitleElectrochemical and Solid State Lettersen_AU
dc.identifier.paginationA86-A89en_AU
dc.identifier.urihttp://dx.doi.org/10.1149/1.3561764en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/3764en_AU
dc.identifier.volume14en_AU
dc.language.isoenen_AU
dc.publisherThe Electrochemical Societyen_AU
dc.subjectSynthesisen_AU
dc.subjectX-ray diffractionen_AU
dc.subjectNeutron diffractionen_AU
dc.subjectLithium ionsen_AU
dc.subjectElectrolytesen_AU
dc.subjectLithium phosphatesen_AU
dc.titleSynthesis and characterization of Li(Co0.5Ni0.5)PO4 cathode for li-ion aqueous battery applicationsen_AU
dc.typeJournal Articleen_AU
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