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PhD position LRCS - Amiens

Updated : 2022.07.07

Dynamic 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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PhD position LRCS - Amiens

Updated : 2022.07.07

Polymer-based solid-state lithium battery

We are looking for a highlymotivated candidate for a thesis dedicatedto the characterization of polymer electrolytes with a view to integrating them into complete systems. The thesis project consists of two parts: the synthesis and characterization (notably electrochemical but also thermal, mechanical...) of ionic conducting polymers, and the formulation and electrochemical testing of composite electrodes obtained by extrusion.

 

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Ingénieur Chimiste analyse batteries (H/F) Permanent Contract - Amiens

Updated : 2022.06.14

Battery 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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Ingénieur-e en science des matériaux / caractérisation LRCS - Amiens

Updated : 2022.06.10

Ingénieur-e en science des matériaux / caractérisation

Un poste d'Ingénieur d'études CNRS est ouvert au concours au LRCS - Amiens (poste n°74) .
Nous recherchons un ingénieur d'études qui veut s'investir dans le développement d'expériences in situ/operando (cyclage électrochimique, évolution en température, influence du taux d'humidité) aussi bien en diffraction des Rayons X qu'en imagerie électronique appliqué aux matériaux pour le stockage de l'énergie.

Le poste est visible à cette adresse:
https://profilsdemplois.cnrs.fr/index_public_referens?destination=CE2022

Le numéro de concours à renseigner est le « 74 »

Les modalités du concours et le calendrier général sont disponibles sur la page suivante : https://www.cnrs.fr/fr/concours-it

Calendrier 2022

  • Inscriptions : du 7 juin au 6 juillet

  • Admis à concourir : publication à compter du 13 juillet

  • Composition des jurys : publication à compter du 18 juillet

  • Admissibilité : publication des résultats du 21 juillet au 19 septembre en fonction du calendrier de chaque concours

  • Admission : les auditions se déroulent du 29 août au 4 novembre en fonction du calendrier de chaque concours

  • Nomination : à compter du 1er décembre



Pour candidater, il est obligatoire de créer un espace candidat via le lien suivant :

https://concoursexternesit.cnrs.fr/public/campagne-2022

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PhD Position LRCS - Amiens

Updated : -0001.11.30

Toward 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 : 2022.04.05

Investigation 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 : 2022.03.18

Direct 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 : 2022.03.16

Effect 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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Internship Master 2 LRCS - Amiens

Updated : 2022.01.21

Image processing based on CNN approaches for nano Computed Tomography reconstruction and semantic segmentation

Goals of this internship:
1. 3D image processing based on CNN approaches for XANES/nano-CT reconstruction
2. Use and develop SegmentPy tool (U-net, LRCS-net) to segmentation nano-CT images.
3. Statistical analysis of 3D volume evolution to extract morphological and chemical modifications as
a function of state of charge and time.

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Master 2 internship LRCS - Amiens

Updated : 2021.12.02

Selective sorting of used Li-ion batteries: impact of cathode chemistries

The main objective of this internship (6 months) is: 1) Simulate mixtures of electrode materials in relation to the observations of a battery collection and study the characteristics (electrochemical, morphological, structural), 2) Explore the physico-chemical treatment methods with a view to preparing an active material from a mixture. Answers can be provided.

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Ingénieur d'études BAP B LRCS - Amiens

Updated : 2021.11.08

Ingénieur-e en science des matériaux / caractérisation

L’ingénieur d’étude aura pour mission la préparation, la réalisation et l’interprétation d’expériences in situ et/ou
operando (cyclage électrochimique, évolution en température, influence du taux d’humidité, réaction au contact de liquide) en diffractions des rayons X (Bragg et cohérente) ou des électrons (4DSTEM-ASTAR, précession et
tomographie), ainsi qu’en imageries par microscopies électroniques (TEM, SEM) et des rayons X (XCT). Des expériences sur les lignes synchrotron (SOLEIL, ESRF, ALBA, SLS, APS) sont envisagées dans la mission. Il s’agira d’étudier les matériaux développés au LRCS et dans les réseaux partenaires (RS2E, ALISTORE) sur le stockage électrochimique de l’énergie et sur la conversion photovoltaïque de l’énergie solaire.

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PostDoc Position LRCS - Amiens

Updated : 2021.11.04

Organic 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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Master thesis project LRCS Amiens

Updated : 2021.11.03

Organic batteries with solid-state electrolytes

The research project aims at building and test full organic solid-state battery composed of low-molecular
weight organic electrode materials with liquid-free electrolytes. First step will consist in formulating electrodes
(active material, conductive additive and liquid-free electrolyte) and investigate chemical stability using different characterization tools available in the laboratory. Secondly, electrochemical characterization of formulated electrodes will be realized in order to select best composite electrode for the cell building, finality of the project.

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Stage M2 LRCS - Amiens

Updated : 2021.10.18

Toward the development of thick electrodes for Li-ion batteries 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, one approach which can be considered is 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 objective of the selected master student will be to develop a new solution to achieve efficient batteries with thick electrodes through an innovative process, i.e the Binder Jetting. The prepared electrodes will be characterized by various techniques to determine the microstructure, porosity and physical properties of the samples and will be tested in Li-ion batteries.

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PhD Position LRCS - Renault

Updated : 2021.10.04

PhD 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 : 2021.03.18

In 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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PostDoc LRCS - Amiens

Updated : 2020.05.19

Computational 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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Poste d'Ingénieur LRCS - Amiens

Updated : 2020.02.04

Study 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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PostDoc LRCS (Amiens) - UMET (Lille)

Updated : 2020.01.31

Maîtrise 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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PostDoc LRCS - Amiens

Updated : 2019.12.16

Electrochemical 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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