Results and Publications

Research Areas & Activities Solar Energy Biomass Energy Hydrogen Advanced Combustion CO₂ Capture CO₂ Storage Advanced Materials & Catalysts Advanced Coal Advanced Transportation High-Energy Organic Battery Electrodes Battery Electrodes with Nanowire Architectures A Quantum Leap Forward for Li-Ion Battery Cathodes Advanced Electric Grid Grid Storage Other Renewables Integrated Assessment Advanced Nuclear Energy Geoengineering Exploratory Efforts All Activities Analysis Activities Technical Reports

Research

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