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Structural chemistry of ionic conductors

Strukturchemie

Ionic conductors are used in many applications such as fuel cells and batteries, and a high ionic conductivity is usually desired. We aim to understand the motion of ions (e.g. Li+) within a material’s structure and employ synthetic strategies to increase the diffusion pathways and ionic conductivity. The materials we study are oxides, phosphates, sulfides and thio-phosphate lithium ion conductors.


Selected papers:

Weber D.A. et al. “Structural insights and 3D diffusion pathways within the lithium superionic conductor Li10GeP2S12Chem. Mater. 2016, 28 (16), 5905-5915 doi:10.1021/acs.chemmater.6b02424 

Minafra N. et al. “Effect of Si substitution on the structural and transport properties of superionic Li-argyrodites” J. Mater. Chem. A 20186, 645-651 doi:10.1039/C7TA08581H

Krauskopf T. et al. “The bottleneck of diffusion and inductive effects in Li10Ge1-xSnxP2S12” Chem Mater. 201830, 1791-1798 doi:10.1021/acs.chemmater.8b00266

Dietrich C. et al. "Lithium ion conductivity in Li2S-P2S5 glasses - Building units and local structure evolution during crystallization of the superionic conductors Li3PS4, Li7P3S11 and Li4P2S7J. Mater. Chem. A 20175, 18111-18199 doi:10.1039/C7TA06067J