Link to Research
Electrochemistry and Electric Grid > Batteries for Advanced Transportation

A Quantum Leap Forward for Li-Ion Battery Cathodes

Start Date: August 2007
Status: Completed

Investigators

Josh Thomas, Torbjörn Gustafsson, and Kristina Edström, Department of Materials Chemistry, Uppsala University, Sweden

Annual Reports

Publications

  • Larsson, P., Ahuja, R., Liivat, A. and J. O. Thomas. “Structural and electrochemical aspects of Mn substitution into Li2FeSiO4 from DFT calculations.” Computational Materials Science, 47 (3), 678-684, doi:10.1016/j.commatsci.2009.10.008 (2010).
  • Kam, K. C., Gustafsson, T. and J. O. Thomas. “Synthesis and electrochemical properties of nano-structured Li2FeSiO4/C cathode materials for Li-ion batteries.” Solid State Ionics, doi:10.1016/j.ssi.2010.03.030 (2010).
  • Liivat, A. and J. O. Thomas. “A DFT study of VO43- polyanion substitution into the Li-ion battery cathode material Li2FeSiO4.” Comp. Mater. Sci. (submitted, 2010).
  • Liivat, A. and J. O. Thomas. “Li-ion migration in LFS cathode materials: a DFT study.” Solid State Ionics, doi:10.1016/j.ssi.2009.12.009 (2009).
  • Lo, M. F. “Solvothermal, Microwave and Polyol Medium Synthesis of Li2FeSiO4.” EuroMaster Thesis (2009.)
  • Liivat, A. and J. O. Thomas. “DFT-assisted design of orthosilicate-based cathode materials for Li-ion batteries.” Electrochem. Commun. (Submitted, 2009).
  • Kam, K. C., D. Ensling, A. Liivat, L. Häggström, and J. O. Thomas. “Enhanced capacity in the non-stoichiometric lithium iron silicate cathode material, Li2-2xFe1+xSiO4.” Ms. (In preparation, 2009.
  • Kam, K.C., D. Ensling, L. Häggström, and J. O. Thomas. “Manganese substitution into the non stoichiometric lithium iron silicate cathode material, Li1.5Fe1.25-zMnzSiO4.” Ms. (In preparation, 2009).
  • Ensling, D., M. Stjerndahl, M., Nyten, A., Gustafsson, T. and J. O. Thomas. “A comparative XPS surface study of Li2FeSiO4/C cycled with LiTFSI- and LiPF6-based electrolytes.” Journal of Materials Chemistry, Vol. 19, pp. 82-88, doi:10.1039/b813099j (2009).
  • Ensling, D., Y. Jiang, T. Gustafsson, M. Armand, and J. O. Thomas. “Electrolyte stability for stoichiometric Li2FeSiO4.” (In preparation, 2009).
  • Jiang, Y. “The Role of the Electrolyte in Surface-layer Formation Li2FeSiO4.” EuroMaster Thesis (2008).
  • Larsson, P., A. Rajeev, A. Liivat, and J. O. Thomas. “Structural and electrochemical aspects of Mn-substitution into Li2FeSiO4.” Chem. Mater. (Submitted, 2008).
  • Stjerndahl, M. “Stability Phenomena in Novel Electrode Materials for Lithium-ion Batteries.” PhD Thesis, ISBN 978-91-554-6969-6, urn:nbn:se:uu:diva-8214 (2007).
  • Zakrezewski, P. “The Relationship Between Synthesis Parameters, Crystal Structure and Perfomance Li2FeSiO.” Euromaster Thesis (2007).

Updated June 2011