Dr. Annica Freytag
Topics of research
– Operando NMR of battery materials
– Anodes for sodium-ion batteries
– Solid-state batteries
Educational background
Doctor of Philosophy (Chemistry)
– Canada, Ontario, Hamilton, Faculty of Science, Chemistry (2016-2020)
The development and application of in-situ NMR methods for lithium-ion batteries, Supervisor: Prof. Gillian Goward
Master of Science (Chemistry)
– Canada, Ontario, Kingston, Queen’s University, Faculty of Science, Chemistry (2016-2020)
Fiber-optic vibration sensing of cantilevers immersed in viscous fluids, Supervisor: Prof. Hans-Peter Loock
Bachelor of Science (Chemistry)
– Germany, Potsdam, University of Potsdam, Faculty of Science, Chemistry (2011-2014)
Photoacoustic concentration measurement of trace chemical using fiber optic detection (research conducted at Queen’s University funded through the DAAD PROMOS scholarship) Supervisors: Prof. Hans-Gerd Löhmannsröben, Prof. Hans-Peter Loock
Publications
2020
H. Al-Salih, A. Huang, C. Yim, A. I. Freytag, G. R. Goward, E. Baranova, Y. Abu-Lebdeh. A Polymer-Rich Quaternary Composite Solid Electrolyte for Lithium Batteries, Journal of the Electrochemical Society 167(7) (2020), 070557
2019
A. I. Freytag, A. D. Pauric, S.A. Krachkovskiy, and G. R. Goward. In Situ Magic-Angle Spinning 7Li NMR Analysis of a Full Electrochemical Lithium-Ion Battery Using a Jelly Roll Cell Design, Journal of the American Chemical Society 141(35) (2019), 13758-13761
A. I. Freytag, A. D. Pauric, M. Jiang, and G. R. Goward. 7Li and 29Si NMR Enabled by High-Density Cellulose-Based Electrodes in the Lithiation Process in Silicon and Silicon Monoxide Anodes, Journal of Physical Chemistry C 123(18) (2019) 11362-11368
2018
A. I. Freytag, A. G. MacLean, M. Abtahi, J. A. Barnes, and H.-P. Loock. All fiber-optic viscosity, density, and temperature measurements of liquids using a photothermally actuated cantilever, Appl. Phys. B 124(11) (2018), 208
2015
A. G. MacLean, L. T. Schneider, A. I. Freytag, A. Gribble, J. A. Barnes, and H.-P. Loock, Cavity-enhanced photoacoustic detection using acoustic and fiber-optic resonators. Appl. Phys. B 119(1) (2015), 11-19
Professional career
– 2021-present: Postdoctoral researcher
Germany, Berlin, Humboldt University, Faculty of Science, Chemistry
Supervisor: Prof. Philipp Adelhelm
Awards & Accomplishments
– 2019: Arcachon, France
Lithium Battery Discussions (LiBD) 2019
Oral presentation topic: In-situ magic-angle spinning NMR analysis of a full graphite/LiCoO2 electrochemical cell
– 2018: Kyoto, Japan
19th International meeting on lithium batteries (IMLB)
Poster topic: Comparison of SiOx vs. Si electrodes from a multi-nuclear solid-state NMR standpoint
– 2017: Quebec City, Canada
ISMAR
Poster topic: High capacity silicon electrodes from a multi-nuclear solid-state NMR standpoint
– 2017: Toronto, Canada
100th Canadian Chemistry Conference and Exhibition
Poster topic: High capacity silicon electrodes from a multi-nuclear solid-state NMR standpoint
– 2016: Dunedin, New Zealand
Matariki Quantum Science Workshop
Oral presentation topic: Fiber-optic vibration sensing of cantilevers immersed in viscous fluids
– 2015: Waterloo, Canada
Symposium on Chemical Physics
Poster topic: Fiber-optic vibration sensing of cantilevers immersed in viscous fluids
– 2015: Ottawa, Canada
98th Canadian Chemistry Conference and Exhibition
Poster topic: Resonance enhanced photoacoustic spectroscopy in liquids
– 2014: Waterloo, Canada
Symposium on Chemical Physics
Poster topic: Quantitative photoacoustic concentration measurements of aqueous phosphates using fiber optic detection