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Anciens du laboratoire

Walid Dachraoui


  • PostDoc

Descriptif des activités de recherche

Recent developments in in-situ liquid TEM opened a new area in the understanding of interface mechanisms during electrochemical cycling of Li-ion batteries such as the kinetics of lithiation, formation of SEI layer, structural accommodation, crystalline transformation and morphological evolution. The goal of this project is to further identify and study phenomena involved in batteries’ efficiency decay, which is mainly related to induced effects of exchange dynamics at electrode/electrolyte interfaces. Thus, he focus on the study of the mechanism of formation of the SEI layer during the first EC cycles and on the electrolyte’s evolution with different analytical TEM techniques in liquid medium. 

Preparation and characterization of mechanically alloyed AB3-type based material LaMg2Ni5Al4 and its solid-gaz hydrogen storage reaction

Hassen Jaafar, Luc Aymard, Walid Dachraoui, Arnaud Demortière, Mohieddine Abdellaoui

Journal of Solid State Chemistry, 2018

Operando Monitoring of the Solution-Mediated Discharge and Charge Processes in a Na–O2 Battery Using Liquid-Electrochemical Transmission Electron Microscopy

Lukas Lutz, Walid Dachraoui, Arnaud Demortière, Lee R. Johnson, Peter G. Bruce, Alexis Grimaud, and Jean-Marie Tarascon

Nano Letters, 2018

Reversible magnesium and aluminium ions insertion in cation-deficient anatase TiO2

Toshinari Koketsu, Jiwei Ma, Benjamin J. Morgan, Monique Body, Christophe Legein, Walid Dachraoui, Mattia Giannini, Arnaud Demortière, Mathieu Salanne, François Dardoize, Henri Groult, Olaf J. Borkiewicz, Karena W. Chapman, Peter Strasser, Damien Dambournet

Nature Materials, 2017

In-Situ Liquid/Bias Transmission Electron Microscopy to Visualize the Electrochemical Lithiation/Delithiation Behaviors of LiFe0.5Mn0.5PO4

Walid Dachraoui, Olesia Kurkulina, Joke Hadermann and Arnaud Demortière

Microscopy and Microanalysis, 2016

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