PostDoctoral Fellow (PDF) position (He/She): Multi-scale/physics ex-situ vs. in-situ vs. operando...

PostDoctoral Fellow (PDF) position (He/She): Multi-scale/physics ex-situ vs. in-situ vs. operando...

France 02 Mar 2021



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02 Mar 2021
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To realize his/her missions under the H2020 project HIDDEN at the UMR5819-SyMMES lab, He/she will benefit from state of the art Lab. (HyBRID-EN : ) and European (e.g. ESRF & Soleil) large-scale facilities dedicated (ex situ/in situ/operando) characterizing multi-modal/physics platforms, making use of and/or combining:
-NMR spectroscopies(High Resolution-NMR, Solid-State NMR, Pulse-Field Gradient NMR (PFG-NMR), and NMR relaxometry)
-FTIR spectroscopies
-Differential Scanning Calorimetry (DSC)
-Polarized Optical Microscopy (POM)
-(Synchrotron-based) X-ray (SAXS/WAXS) Scattering and X-ray ((nano-)Computed Tomography & Coherent (nano-beam) Diffractive) Imaging
-Potentiostatic Electrochemical Impedance Spectroscopy (PEIS)
-Galvanostatic Cycling with Potential Limitation (GCPL)
-Galvanostatic Intermittent Titration Technique (GITT)

Fully integrated into the 2020-2030 trajectory of the (FET-Flagship) European initiative (H2020 & Horizon Europe) Battery 2030+ (website: Manifesto & Roadmap), this postdoctoral fellow research contract aims at exploring and developing the potential of electrolytes 2.0 combining self-assembly/healing faculties with an efficient transport of Li+ cations: Thermotropic Ionic Liquid Crystals (TILCs). These tailored-made cationic conductors represent the fusion of two classes of functional materials: stimuli-responsive thermotropic liquid crystals and organic (cat)ionic (Li+) conductors. The postdoctoral fellow will implement and (proof of concept) characterize self-healing lithium metal batteries (LMBs) using dynamic 1D, 2D and 3D supramolecular organizations of TILCs to ensure efficient cation transport between their Li metal anode and their cathode .
Electrochemist by training, specialized and experienced in the electrochemical storage of energy, His/Her first mission will be to decipher the multi-scale correlations linking the structures and ionic transport properties within TILCs (in bulk) & TILCs/electrodes interphases in post-lithium-ion energy storage devices (batteries/pouch cells) via the ex situ vs. in situ vs operando monitoring of bulk vs. interfacial (electro)chemical processes and their impact on key performance indicator (KPIs) values of self-healing LMBs developed within the framework of the H2020 project "HIDDEN". He/She will also have the (secondary) mission of characterizing the structure & dynamics of TILCs synthesized by the CNRS + UGA & Specific Polymers partners.
Using HIDDEN's self-healing LMBs as experimental platforms for proof-of-concept demonstrations, He/She will address two fundamental questions for self-assembling/healing mesomorphic organic electrolytes during the course of his/her postdoctoral research project: i) the role of (1D vs. 2D vs. 3D) dimensionality on percolation and nanoconfinement of charge carriers in hierarchically self-organized electrolytes and ii) the dynamic mosaicity and management of defects in stimuli-responsive mesomorphic (macro)molecular ionically conducting materials, with or without external stimuli.

Co-advised by Dr. Patrice Rannou (ORCID: 0000-0001-9376-7136) and Prof. Saïd Sadki (ORCID: 0000-0002-4187-6039), the postooral fellow will work at the UMR5819-SyMMES (CNRS/CEA/UGA) Lab (website . Research Themes: zero-carbon energy, information and communications technology (ICT), biotechnology and human health. ~125 members: ~65 (CNRS, CEA et UGA) national lab and faculty members together with ~60 (under)graduate (L2->M2R) & PhD students, and postdoctoral fellows.) in Grenoble ( ), He/she will be integrated within the "CNRS+UGA" partner of the H2020 project HIDDEN ( / project / id / 957202 & . Theme: LC-BAT-14-2020: "Self-healing functionalities for long lasting battery cell chemistries". Budget: 4 M €. Duration 3 years: Sept.1, 2020-Aug. 31, 2023) bringing together the expertise and know-how of seven European partners (VTT, CNRS + UGA, CSEM, BFH, Belenos Clean Power, Specific Polymers & RTD Talos Ltd) as part of the (FET-Flagship) European initiative Battery 2030+ ( ):
Within the exceptional multidisciplinary ((electro) chemistry, physics, nano-science/technologies, nanoionics/nanofluidics) and international scientific environment of the HIDDEN project ( & https : // ), He/She will be involved in the multipurpose tasks of an H2020 project. The postdoctoral fellow will benefit from scientific interactions (short stays with different project partners and specific training actions) within a unique research and innovation ecosystem consisting of academic labs, SMEs, Research and Technology Organizations (RTOs) specialized in innovation & technology transfer and battery manufacturers at the forefront of research and innovation on functional (macro)molecular materials and electrochemical energy storage to develop his/her research project and extend/develop his/her professional network.
This postdoctoral research project is directly linked to the research themes and topics addressed by CNRS's section N°14 (Coordination chemistry, catalysis, interfaces and processes) & CNRS' section N°11 (Supra and macro-molecular systems and materials: development, properties, functions)

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