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Publié le 10 mars 2022

Research interests

Solid-state NMR spectroscopy and its application to systems for renewable energy production and storage.
Methods and interests include:
Ex situ and operando NMR measurements of electrochemical cells
Paramagnetic NMR and NMR of metals
NMR method and pulse sequence development
Dynamic nuclear polarisation

Short CV

Since 2022: Researcher, Solid-state NMR and energy research (CEA-Grenoble)
2018-2021: Post-doctoral researcher, Solid-state NMR applied to Li-ion batteries (Group of Prof. Clare Grey, University of Cambridge, UK)
2014-2017: PhD, Method development for structure determination of organic solids by DNP-enhanced solid-state NMR (Group of Dr. Gaël De Paëpe, CEA-Grenoble)
2008-2014: BSc and MSc in chemistry (Freie Universität Berlin, Germany)

Selected publications

See ORCID or Google Scholar for a full list of publications

C. Xu, K. Märker, J. Lee, A. Mahadevegowda, P. J. Reeves, S. J. Day, M. F. Groh, S. P. Emge, C. Ducati, B. L. Mehdi, C. C. Tang, C. P. Grey
Bulk fatigue induced by surface reconstruction in layered Ni-rich cathodes for Li-ion batteries.
Nat. Mater. 20 (2021) 84

K. Märker, C. Xu, C. P. Grey
Operando NMR of NMC811/graphite lithium-ion batteries: Structure, dynamics, and lithium metal deposition.
J. Am. Chem. Soc. 142 (2020) 17447

M. A. Hope, B. L. D. Rinkel, A. B. Gunnarsdóttir, K. Märker, S. Menkin, S. Paul, I. V. Sergeyev, C. P. Grey
Selective NMR observation of the SEI–metal interface by dynamic nuclear polarisation from lithium metal.
Nat. Commun. 11 (2020) 2224

K. Märker, P. J. Reeves, C. Xu, K. J. Griffith, C. P. Grey
Evolution of structure and lithium dynamics in LiNi0.8Mn0.1Co0.1O2 (NMC811) cathodes during electrochemical cycling.
Chem. Mater. 31 (2019) 2545

K. Märker, S. Hediger, G. De Paëpe
Efficient 2D double-quantum solid-state NMR spectroscopy with large spectral widths.
Chem. Commun. 53 (2017) 9155

K. Märker, S. Paul, C. Fernández-de-Alba, D. Lee, J.-M. Mouesca, S. Hediger, G. De Paëpe
Welcoming natural isotopic abundance in solid-state NMR: Probing -stacking and supramolecular structure of organic nanoassemblies using DNP.
Chem. Sci. 8 (2017) 97

K. Märker, M. Pingret, J.-M. Mouesca, D. Gasparutto, S. Hediger, G. De Paëpe
A new tool for NMR crystallography: Complete 13C/15N assignment of organic molecules at natural isotopic abundance using DNP-enhanced solid-state NMR.
J. Am. Chem. Soc. 137 (2015) 13796

Open positions

Please contact me directly to discuss possibilities for internships, PhDs and post-docs.