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dc.contributor.authorRamakrishna, Seeramen
dc.contributor.authorAravindan, Vanchiappanen
dc.contributor.authorSundaramurthy, Jayaramanen
dc.contributor.authorJain, Akshayen
dc.contributor.authorKumar, Palaniswamy Sureshen
dc.contributor.authorLing, Wong Chuien
dc.contributor.authorSrinivasan, Madapusi P.en
dc.contributor.authorMadhavi, Srinivasanen
dc.identifier.citationAravindan, V., Sundaramurthy, J., Jain, A., Kumar, P. S., Ling, W. C., Ramakrishna, S., et al. (2014). Unveiling TiNb2O7 as an Insertion Anode for Lithium Ion Capacitors with High Energy and Power Density. ChemSusChem, 7(7), 1858-1863.en
dc.description.abstractThis is the first report of the utilization of TiNb2O7 as an insertion-type anode in a lithium-ion hybrid electrochemical capacitor (Li-HEC) along with an activated carbon (AC) counter electrode derived from a coconut shell. A simple and scalable electrospinning technique is adopted to prepare one-dimensional TiNb2O7 nanofibers that can be characterized by XRD with Rietveld refinement, SEM, and TEM. The lithium insertion properties of such electrospun TiNb2O7 are evaluated in the half-cell configuration (Li/TiNb2O7) and it is found that the reversible intercalation of lithium (≈3.45 mol) is feasible with good capacity retention characteristics. The Li-HEC is constructed with an optimized mass loading based on the electrochemical performance of both the TiNb2O7 anode and AC counter electrode in nonaqueous media. The Li-HEC delivers very high energy and power densities of approximately 43 Wh kg−1 and 3 kW kg−1, respectively. Furthermore, the AC/TiNb2O7 Li-HEC delivers a good cyclability of 3000 cycles with about 84 % of the initial value.en
dc.rights© 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.en
dc.subjectDRNTU::Engineering::Materials::Metallic materialsen
dc.titleUnveiling TiNb2O7 as an insertion anode for lithium ion capacitors with high energy and power densityen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Materials Science and Engineeringen
dc.contributor.researchEnergy Research Institute @ NTU (ERI@N)en
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