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Poster: Structural Studies of TiO2 Polymorphs as Electrode Materials in Rechargeable Batteries

Poster: Structural Studies of TiO2 Polymorphs as Electrode Materials in Rechargeable Batteries

Presenter: Martin Aaskov Karlsen
Title: Structural Studies of TiO2 Polymorphs as Electrode Materials in Rechargeable Batteries
Affiliation: University of Southern Denmark

Abstract

Titania has a comprehensive and diverse family of polymorphs, where differences in the connectivity of the TiO2 polyhedra give rise to channel structures with diverse channel dimensions, which is attractive for applications in intercalation-type batteries, e.g., the Li-ion battery technology. Members of the family of titania polymorphs are here studied to see how structure affects electrochemical properties.

Traditionally, electrode materials for intercalation-type batteries have been crystalline. However, nanosized or disordered materials show interesting electrochemical properties as well. To probe a more local structure and limited range of order, total scattering and pair distribution function (PDF) analysis is a powerful tool.

Therefore, PDF analysis is utilized in this study to explore some of the manifold titania polymorphs. X-ray total scattering and PDF analysis is used both for ex-situ studies of pristine TiO2 materials as well as for operando studies.

Full list of posters


Poster: Comparison of single crystal and polycrystalline lithiation for NCM622 cathode materials
Poster: Electronic structure of amorphous poly(ethylene oxide)
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