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dc.contributor.authorAravindan, Vanchiappanen
dc.contributor.authorChuiling, W.en
dc.contributor.authorMadhavi, Srinivasanen
dc.identifier.citationAravindan, V., Chuiling, W., & Madhavi, S. (2012). High power lithium-ion hybrid electrochemical capacitors using spinel LiCrTiO4 as insertion electrode. Journal of Materials Chemistry, 22(31), 16026-16031.en
dc.description.abstractWe report the synthesis and electrochemical performance of sub-micron size LiCrTiO4 particles prepared by a solid-state approach. X-ray diffraction and transmission electron microscopic studies are used to analyze the structural and morphological properties, respectively, of the synthesized powders. Electrochemical Li-insertion properties are evaluated in half-cell configurations (Li/LiCrTiO4) by means of both galvanostatic and potentiostatic modes between 1 and 2.5 V vs. Li. Reversible insertion of almost one mole of lithium (155 mA h g−1) is noted at a low current rate of 15 mA g−1 and rendered an excellent cycling profile as well. A non-aqueous Li-ion electrochemical hybrid capacitor (Li-HEC) is fabricated with an optimized mass loading of activated carbon (AC) cathode and synthesized LiCrTiO4 as anode in 1 M LiPF6 in ethylene carbonate–diethyl carbonate solution and cycled between 1 and 3 V under ambient conditions. The Li-HEC delivered maximum specific energy and power densities of 23 W h kg−1 and 4 kW kg−1, respectively.en
dc.relation.ispartofseriesJournal of materials chemistryen
dc.rights© 2012 The Royal Society of Chemistry.en
dc.titleHigh power lithium-ion hybrid electrochemical capacitors using spinel LiCrTiO4 as insertion electrodeen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Materials Science and Engineeringen
dc.contributor.researchEnergy Research Institute @NTUen
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