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).

Presentations

  • Liivat, A. and J. O. Thomas. “Polyanion substitution into silicate-based cathode materials,” submitted (and accepted) contributions to The International Meeting on Lithium Batteries (IMLB-15), Montreal, Canada, June 27-July 2, 2010.
  • Tan, S., K. C. Kam, J. O. Thomas, and T. Gustafsson. “Inexpensive synthesis of Li2FeSiO4 for up-scaled LIB cathodes,” submitted (and accepted) contributions to The International Meeting on Lithium Batteries (IMLB-15), Montreal, Canada, June 27-July 2, 2010.
  • Kam, K. C., A. Liivat, T. Gustafsson, and J. O. Thomas. “New Directions in Up-scaled Li-ion Battery Cathodes,” invited oral, 50th Japanese Battery Symposium, Kyoto, November 30- December 2, 2009.
  • Thomas, J. O. “(How) Can Iron Silicates Compete with the Phosphates ?” 4th International Forum of the Technology of Li-Ion batteries, invited oral, Beijing, October 16-18, 2009.
  • Kam, K. C., A. Liivat, D. Ensling, T. Gustafsson, and J. O. Thomas. “Enhanced Capacity from Non-stoichiometric Lithium Iron Silicate, Li2-2xFe1+xSiO4,” oral presentation, 216th ECS Meeting, Vienna, Austria, October 4-9, 2009.
  • Kuezma, M., Ensling, D., Dominko, R., Jamnik, J., Gustafsson, T., Thomas, J. O. and M. Gaberscek. “A New Cathode Material for Li-ion Batteries with the Possibility of Extracting Two Li-ions Per TM-atom,” oral presentation, 216th ECS Meeting, Vienna, Austria, October 4-9, 2009.
  • Armstrong, A. R., P. G. Bruce, T. Gustafsson, and J. O. Thomas. “The Li-ion Extraction/Re-insertion Mechanism in Li2FeSiO4,” poster, Lithium Battery Discussion on Electrode Materials, Arcachon, France, September 20-25, 2009.
  • Ensling, D., M. Kuezma, R. Dominko, T. Gustafsson, J. O. Thomas, and M. Gaberscek. “Combined SXPS and SXAS Study of the Electrochemical Intercalation Reaction of Li2NiTiO4 Cathodes,” poster, Lithium Battery Discussion on Electrode Materials, Arcachon, France, September 20-25, 2009.
  • Ensling, D., Y. Jiang, T. Gustafsson, and J. O. Thomas. “Surface-film Formation on Li2FeSiO4 Cathodes for Different Electrolyte Systems Studies by XPS,” poster, Lithium Battery Discussion on Electrode Materials, Arcachon, France, September 20-25, 2009.
  • Kam, K.C., Liivat A. and J. O. Thomas. “A Silicate-based Cathode Material for Lithium-ion Batteries,” oral presentation, Lithium Battery Discussion on Electrode Materials, Arcachon, France, September 20-25, 2009.
  • Kam, K.C., A. Liivat, T. Gustafsson, and J. O. Thomas. “Silicate-Based Cathode Materials: Synthesis and Characterization,” poster, Lithium Battery Discussion on Electrode Materials, Arcachon, France, September 20-25, 2009.
  • Liivat, A. and J. O. Thomas. “Improving Silicate-based Cathode Materials: Insights from DFT Modelling,” poster, Lithium Battery Discussion on Electrode Materials, Arcachon, France, September 20-25, 2009.
  • Thomas, J. O. “How do the Silicates Fit In?” invited oral, Lithium Battery Discussion on Electrode Materials, Arcachon, France, September 20-25, 2009.
  • Ensling, D., Jiang, Y., Gustafsson, T. and J. O. Thomas. “An XPS Study of Surface-film Formation on Li2FeSiO4 Cathodes for Different Salt/Solvent Combinations,” invited oral, International Conference on Solid State Ionics, Toronto, Canada, June 28-July 3, 2009.
  • Kam, K.C., A. Liivat, A., and J. O. Thomas. “VO43-polyanion Substitution into Li2FeSiO4: a DFT Study,” poster. International Conference on Solid State Ionics, Toronto, Canada, June 28-July 3, 2009.
  • Kam, K.C., Liivat, A. and J. O. Thomas. “Li-ion Battery Cathodes Based on Iron Silicates,” oral presentation,, International Conference on Solid State Ionics, Toronto, Canada, June 28-July 3, 2009.
  • Liivat, A., Kam, K.C. and J. O. Thomas. “Li-ion Transport Mechanisms in Orthosilicate-type Cathode Materials: A DFT Study,” oral presentation, International Conference on Solid State Ionics, Toronto, Canada, June 28-July 3, 2009.
  • Thomas, J. O. “Upscaling the Li-ion battery for sustainable energy storage applications, at Energy 2008, (A Pre-conference to the Climate Summit in Copenhagen, December 2009.)
  • Edstrom, K. D., T. Ensling, K. Gustafsson, A. Kam, Liivat and J. O. Thomas. “Getting more capacity out of Fe-based cathodes for HEV-battery applications”, The American Automotive Battery Conference (AABC), Tampa, Florida, May 2008.
  • Kam, K., A. Liivat, T. Gustafsson, and J. O. Thomas. “Strategies for optimizing the performance of silicate-based cathodes for Li-ion battery applications”, The International Meeting on Lithium Batteries (IMLB2008), Tianjin, China, June 2008.
  • Liivat, A., P. Larsson, P. and J. O. Thomas. “Modelling non-stoichiometry and disorder in silicate-based cathode materials”, The International Meeting on Lithium Batteries (IMLB) Tianjin, China, June 2008.
  • Stjerndahl, M., D. Ensling, T. Gustafsson, and J. O. Thomas. “Modelling the surface layer on Li2FeSiO4 from systematic XPS analysis”, International Meeting on Lithium Batte (IMLB2008), Tianjin, China, June 2008.
  • Thomas, J. O. “Optimizing the performance of iron silicate based cathodes for upscaled Li-ion battery applications”, The Battery Symposium in Japan, Sakai, Osaka, November 2008.
  • Edström, K., D. Ensling, T. Gustafsson, K. Kam, A. Liivat, and J. O. Thomas. “A quantum leap forward for Li-ion battery cathodes,” Five Years and Beyond, Stanford University, October 2008.

 

Updated June 2011