PhD Position LRCS - ICMCB - UMICORE
Updated : 2021.03.18In situ synthesis of high performance electrodes for Li-Ion Batteries : Li(Mn,Ni)2O4-δ spinels
We wish to establish close relationships between stoichiometry, morphology, structure and electrochemical properties of fully characterized positive electrode powders for Li-Ion batteries. An exhaustive approach (precursors, thermal treatments under various pO2, substitution, …) will be used to tune the synthesis of high-performance Li(Ni,Mn)2O4-δ spinels. Phase equilibria during synthesis will be explored in situ using T-controlled XRay or Neutron diffraction under various atmospheres.
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Updated : 2021.03.05Lithium‐ion batteries 3D printing
Nowadays, lithium‐ion batteries power most electronic devices. There is a growing demand for batteries with higher energy and power and for a perfect integration of such batteries into the devices that they power. Additive manufacturing, also known as 3D printing would allow not only to fabricate new multidimensional architectures of batteries (possessing better electrochemical performances) but also to built‐in such batteries into the powered device. Following some rather promising early results obtained in the framework of the OBI‐ONE regional research project, we aim, in the proposed project (IODA: Lithium‐ion batteries 3D printing), financed by the French National Research Agency (ANR) to further optimize composite filaments and produce them with industrial quality in order to print whole batteries perfectly integrated in the powered devices, and to create the very first three‐dimensional (3D) battery prototypes.
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Updated : 2020.05.19Computational Inverse Design of PEM Fuel Cell Electrodes
We propose here a postdoctoral job to develop and apply an innovative theoretical inverse design approach to PEMFC components such as electrodes, micro-porous and gas diffusion layers. Such an approach will encompass continuum computational techniques, topological optimization and machine learning algorithms, getting inspiration from the approach developed by us in the context of one of our ongoing projects on Lithium Ion Batteries.
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Updated : 2020.02.04Study of (dis-)insertion mechanisms within individual cathode crystals (Li / Na-ion battery) by TEM mapping of orientations and crystalline phases using ASTAR system
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Updated : 2020.01.31Maîtrise des interfaces via des polymères conducteurs pour le stockage de l’énergie
L’objectif de ce projet est d’augmenter les performances des électrodes constitutives des batteries en substituant la masse « non active » des électrodes (liant polymère + additif conducteur carboné) par des polymères conducteurs tout en améliorant significativement leur adhérence sur le collecteur de courant. Ainsi, une approche biomimétique basée sur le greffage d’un polymère adhésif et conducteur est proposée pour maitriser les interfaces et construire de nouvelles architectures d’électrodes organisées et entièrement conjuguées avec le collecteur de courant.
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Updated : 2019.12.16Electrochemical analyses: diagnostic tools for characterization of materials and systems for energy storage and conversion
The postdoctoral candidate will be involved in in-depth researches on electrochemical mechanisms implying electrode materials in energy storage and conversion systems. He will base his researches on the use and development of electrochemical techniques making them power-full electrochemical diagnostic tools, in order to better understand the driving mechanisms in the existing systems such as Li/S, all solid state batteries and/or other systems as Na-ion or redox flow.
The candidate will be involved in electrochemical-based and/or transport measurements, in close collaboration with members of LRCS team on several research projects.
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