Master 2 Thesis LRCS - Amiens
Updated : 2023.01.05Sulphur-based solid electrolytes synthesis by means of a solution route
The aim of this Master thesis is to synthesis a solid electrolyte for batteries based on sodium (Na) technology. The targeted electrolyte is the Na-ion conductor Na3PS4 (sodium orthothiophosphate). The objective will be to synthesis the material in a liquid medium and to assess the impact of the nature of the solvent and the precursors used on its microstructure and physico-chemical properties. The electrochemical behavior of the material will also be investigated.
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MSc. Thesis LRCS Amiens
Updated : 2022.12.09Influence of the mixing parameters in the slurry and battery electrode microstructure
In this MSc. project, we aim to study, in a systematic way, the effect of the mixing parameters on the dispersion of the particles and the rheological behaviour when preparing cathode NMC-based and anode graphite-based slurries for different slurry solid contents and formulations (i.e., weight ratios between active material, carbon additive, and binder).
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MSc. Thesis LRCS Amiens
Updated : 2022.12.07Charge-transfer complexes (CTC) for energy storage
The aim of this master thesis is to investigate electrochemical activity (in battery configuration) and electrical/ionic conductivity properties of a series of CTC in order to probe their possible application as positive electrode materials or as conductive additives. A specific attention will be paid to the evolution of the crystalline structure of the materials upon cycling and its impact on the molecular packing and associated electrical conductivity.
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Updated : 2022.11.18Synthesis of macromolecules for Organic Batteries
Over the last decade, Li-ion batteries caught a lot of attention from the public especially due to the increased of portative and connected devices. The rapid development of secondary battery came with the risk of supply for inorganic raw materials. Organic materials and organic chemistry are good alternatives for making organic electrode for batteries for few reasons: (i) they are cheap and low-cost energy to produce; (ii) Organic chemistry offer a wide range of versatile reaction to produce the desired organic materials. Despite this tremendous advantage, Organic materials are facing few issues like solubility in electrolyte and low conductivity inducing the use of a large part of black Carbone in the electrode. The synthesis of macromolecular scaffolds holding electroactive functions can be an answer to overcome those drawbacks. The objective of the master thesis will be to follow each step in this highly innovative project from synthesis to the final battery characterization. The Master student will be in charge of studying and fully characterize the new organic macromolecules as electroactive materials for energy storage.
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PhD position LRCS - Amiens
Updated : 2022.07.07Dynamic Study of the 3D Morphological Evolution of All-Solid Li-ion Batteries during their Manufacture and Cycling
The objective of the DynaMoBat research project is the analysis and quantification of the evolution of the 3D morphology of all-solid Li-ion batteries, on the one hand during the sintering manufacturing stage and on the other hand, during their operation in electrochemical cycling. The dynamic study in morphology will be based on the use of X-ray tomography imaging techniques at different scales (μ and nano) and from different sources (laboratory and synchrotron). The non-destructive aspect, the possibility of coupling between imaging and spectroscopy and the recent improvements in terms of spatial resolution and rapid acquisition make X-ray tomography an ideal tool to follow operando the morphological modifications within batteries all-solid Li-ion.
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Ingénieur Chimiste analyse batteries (H/F) Permanent Contract - Amiens
Updated : 2022.06.14Battery Analysis Chemical Engineer
A2Mac1 is the worldwide leader in its sector and has become the reference for automotive benchmarking (comparative analysis of the competition). A2Mac1 supports its clients worldwide to provide them with the technical information they need to make decisions. A2Mac1's services are used by the world's leading car manufacturers and more than a hundred equipment manufacturers.
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Updated : -0001.11.30Toward the development of efficient All Solid State Battery using Binder Jetting and Sintering
The improvement of the energy density of Li-ion batteries requires a significant increase of the surface and volume energy density. For this, two approaches can be considered, i) the manufacture of all-solid-state batteries (ASSB), ii) the increase of the thickness of the electrodes in order to increase the ratio of active material to dead material (i.e. inactive materials).The aim of this PhD topic will be to combine at the same time these two approaches in order to design ASSB with very thin solid electrolyte layer or hybrid ASSB made of porous electrode for liquid or solid electrolyte impregnation.
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PhD Position LRCS - Amiens
Updated : 2022.04.05Investigation of materials degradation for organic batteries by par cryo-electron microscopy and associated techniques.
The IDIOME project aims to study the degradation mechanisms induced during the electrochemical cycling of model organic materials (Li-ion and Na-ion technology) and to make it possible to manufacture an all-organic battery of more than 2.5V and with a good capacity (200mAh.g-1 specific). It will be based on two complementary axes which are (i) the synthesis and electrochemical characterisation of model positive and negative organic electrode materials perfectly defined in size and morphology and (ii) their characterisation from a microstructural, structural and chemical point of view by cryo-electron microscopy at different cycling stages in order to investigate their evolution and to determine the possible degradations induced.
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PhD Position LRCS - Amiens
Updated : 2022.03.18Direct recycling of Li‐ion battery materials: impact of cathode chemistries on the selective sorting of used Li‐ion batteries.
This thesis project is part of the concept of direct recycling of NMC-type cathode materials with the general formula LiNixCoyMnzO2 (positive electrodes). It aims to understand the impact of a mixture of cathodes of different chemistries on recycling processes, the nature and properties of recycled materials. Regenerating a material directly consists in supplying the degraded material with the quantity of missing elements (lithium ions, transition elements). This work will have to answer the question "is it possible to form an electrode material of average composition and electrochemically active by chemical treatment of a degraded materials mixture ?".
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PhD position LRCS - Amiens
Updated : 2022.03.16Effect of microgravity on the 3D printing of lithium-ion batteries
This thesis topic is part of the European Space Agency's strategy to enable astronauts on the space station (ISS) and, in the longer term, those on future long missions and colonies, to be able to manufacture, in situ, spare parts for on-board equipment.
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Updated : 2021.11.04Organic materials for sustainable energy storage
The research project aims at investigating new approaches to solve solubility and conductivity issues of
organic molecular materials. Different options will be investigated like formulation and electrolyte engineering,
development of new solid-state electrolytes and/or efficient conductive additive.
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PhD Position LRCS - Renault
Updated : 2021.10.04PhD Position
We are seeking for a candidate to carry out a PhD project between Renault and LRCS to start at the beggining of 2022. Such project aims at developing and validating a hybrid methodology encompassing both, machine learning methods and multi-physics modeling.
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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 : 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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