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Sonochemical Synthesis of Nanostructured Spinel Li4Ti5O12 Negative Insertion Material for Li-ion and Na-ion Batteries

Authors
  • GHOSH, S
  • MITRA, S
  • BARPANDA, P
Publication Date
Jan 01, 2016
Identifiers
DOI: 10.1016/j.electacta.2016.11.055
OAI: oai:dsapce.library.iitb.ac.in:123456789/19101
Source
DSpace at IIT Bombay
Keywords
License
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Abstract

Li4Ti5O12 spinet is a popular zero-strain negative insertion material capable of acting as a host for both Li+ and Na+ ions. For efficient electrochemical activity, it is key to produce Li4Ti5O12 spinet in nanoscale morphology with reduced diffusion barrier. Here, we report (ultrasonic) sonochemical synthesis as a novel energy-miser route to achieve spherical 100-150 nm spinel particles with restricted annealing for just 2 h. Synchrotron diffraction analysis reveals the formation of phase-pure spinet product. The resulting Li4Ti5O12 yields desirable (de)intercalation of u(+) (at 1.55 V) and Na+ (at 0.9 V) ions with excellent electrochemical properties. (C) 2016 Elsevier Ltd. All rights reserved.

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