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المؤلفHameed A.S.
المؤلفReddy M.V.
المؤلفAlQaradawi S.Y.
المؤلفAdams S.
تاريخ الإتاحة2020-04-09T12:27:31Z
تاريخ النشر2019
اسم المنشورIonics
المصدرScopus
الرقم المعياري الدولي للكتاب9477047
معرّف المصادر الموحدhttp://dx.doi.org/10.1007/s11581-018-2760-7
معرّف المصادر الموحدhttp://hdl.handle.net/10576/14046
الملخصClinopyroxene LiVSi2O6 phase has been synthesised in this study by a single step solid state reaction in argon atmosphere at 900 °C, and its electrochemical properties have been investigated. Graphene composite of the material has also been prepared by assimilating GO (graphene oxide) to the reactants which gets reduced in situ to rGO (reduced graphene oxide) during the annealing process. Structure and morphology of the samples have been characterised by powder X-ray diffraction, X-ray photoelectron spectroscopy, scanning electron microscopy and surface area (BET) measurements. Lithium storage properties of the material were examined using galvanostatic cycling, cyclic voltammetry and electrochemical impedance spectroscopy studies. The rGO composite shows better capacity retention than the pristine sample, and an initial discharge capacity of 110 mAh g−1 was obtained for the rGO composite.
راعي المشروعFunding information Dr. M. V. Reddy and A/Prof. S. Adams were supported by the National Research Foundation, Prime Minister's Office, Singapore under its Competitive Research Programme (CRP Award No. NRF-CRP 10-2012-6). This work was also made possible by a NPRP grant (NPRP 7-301-2-126) from the Qatar National Research Fund (a member of Qatar Foundation).
اللغةen
الناشرInstitute for Ionics
الموضوعElectrochemical properties
Lithium storage
Polyanion cathodes
Silicates
العنوانSynthesis, structural and lithium storage studies of graphene-LiVSi 2 O 6 composites
النوعArticle
الصفحات1559-1566
رقم العدد4
رقم المجلد25
dc.accessType Abstract Only


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