Descriptif des activités de recherche

This PhD is supervised by Dr. Arnaud Demortiere, Prof Loic Dupont (LRCS, Amiens) and Prof. Martial Duchamp (NTU, Singapore). During this project we want to realize TEM Operando experiments to study in real time the interfacial phenomena related to Li-ion transport at atomic scale for different all solid states systems. The project involves the collaboration between two laboratories: LRSC experts in the fabrication of the all solid states batteries and operando measurements and NTU experts in the preparation of electron transparent lamella for the all-solid-state battery to realize qualitative in-situ and operando electrochemical measurements. TEM and STEM experiments will allow us to get information in real time about the crystalline structure (HR-TEM and SAED), the degree of oxidation using energy loss spectroscopy (EELS) and chemical composition using energy dispersive X-ray spectroscopy (EDX) during the cycling of the battery. At the end of the project, the aim is to prepare TEM lamella to perform simultaneously in-situ and operando electrochemical experiments cycling at different temperatures.

Parcours

MS- Material Engineering and Nanoscience, University of Strasbourg, France, 2018

-In-situ TEM Operando study of the copper mobility in Chemical Looping Combustion, Prof. Ovidiu Ersen, Dr. David Chiche, Dr. Arnold Lambert.

-Direct in-situ TEM observation of the nucleation and growth of the iron oxide nanoparticles in liquid medium environment, Prof. Ovidiu Ersen and Prof. Sylvie Begin

 

B.Eng- Material Science and Engineering – University Polytehnic of Bucharest, Romania & École européenne de chimie, polymères et matériaux, 2016

- Synthesis and controlling anisotropic assemblies of iron oxide nanoparticles onto surfaces, Prof. Sorin Ciuca (UPB) and Prof. Benoit Pichon

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Compétences

Projets en cours

Echemist-EM/2018-2021/ANR-NTU

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