A5047351273- Advancements in Battery Materials
- Advanced Battery Technologies Research
- Advanced Battery Materials and Technologies
- Electron and X-Ray Spectroscopy Techniques
- Extraction and Separation Processes
- Semiconductor materials and devices
- Semiconductor materials and interfaces
- Digital Transformation in Industry
- Machine Learning in Materials Science
- Graphite, nuclear technology, radiation studies
- Experimental Learning in Engineering
- Fiber-reinforced polymer composites
- Supercapacitor Materials and Fabrication
- Interconnection Networks and Systems
- Quantum Dots Synthesis And Properties
- Digital Image Processing Techniques
- Virtual Reality Applications and Impacts
- Mind wandering and attention
- Photovoltaic System Optimization Techniques
- Flow Experience in Various Fields
- Advanced Manufacturing and Logistics Optimization
- Recycling and Waste Management Techniques
- Electric Vehicles and Infrastructure
- Flexible and Reconfigurable Manufacturing Systems
- Engineering Education and Technology
Centre National de la Recherche Scientifique
2018-2025
Laboratoire de Réactivité et Chimie des Solides
2022-2025
Université de Picardie Jules Verne
2022-2025
Réseau sur le Stockage Electrochimique de l'énergie
2022-2025
Commissariat à l'Énergie Atomique et aux Énergies Alternatives
2018-2024
CEA Grenoble
2018-2024
Université Grenoble Alpes
2018-2023
Institut de Recherche Interdisciplinaire de Grenoble
2023
Laboratoire de Physique du Rayonnement et de la Lumière
2020
Institut Nanosciences et Cryogénie
2018
The optimization of the electrodes manufacturing process is critical to ensure high-quality Lithium-Ion Battery (LIB) cells, in particular for automotive applications. LIB electrode a complex involving multiple steps and parameters. We have shown our previous works that 3D-resolved physics-based models constitute very useful tools provide insights into impact parameters on textural performance properties electrodes. However, their high-throughput application inverse design limited due high...
Abstract Lithium‐ion battery (LIB) manufacturing requires a pilot stage that optimizes its characteristics. However, this process is costly and time‐consuming. One way to overcome use set of computational models act as digital twin the line, exchanging information in real‐time can be compared with measurements correct parameters. Here we discuss parameters involved each step LIB manufacturing, show available modeling approaches, details about practical implementation terms software. Then,...
Correlating the input/output parameters of manufacturing process aims to understand link between different steps Lithium-Ion Battery (LiB) electrode-making process. Fostering interrelation properties in silicon/graphite blends for fabricating negative electrodes benefits comprehension, quantification, and prediction LiB output properties. Here, we report impact during mixing, coating, calendering on blend electrodes. The mixing was evaluated depending graphite content, where viscosity...
Abstract The reaction processes in Li‐ion batteries can be highly heterogeneous at the electrode scale, leading to local deviations lithium content or degradation phenomena. To access distribution of lithiated phases throughout a high energy density silicon‐graphite composite anode, correlative operando SAXS and WAXS tomography are applied. In‐plane out‐of‐plane inhomogeneities resolved during cycling moderate rates, as well relaxation steps performed open circuit voltage given states...
Finding a correlation between the rheology of an electrode slurry and mixing variables is challenging due to complex interactions among materials in suspension. Here, we report systematic study speed how this variable impacts Nickel Manganese Cobalt Oxide (NMC622) positive at 2000, 3000, 4000 rpm maintaining constant other parameters. We partially combined components compared results with complete formulation. This shows differences viscosity depending on component combination. In addition,...
Abstract Modern batteries are highly complex devices. The cells contain many components—which in turn all have variations, both terms of chemistry and physical properties. A few examples: the active materials making electrodes coated on current collectors using solvents, binders additives; multicomponent electrolyte, contains salts, electrolyte can also be a solid ceramic, polymer or glass material; separator, which made fibres, polymeric, composite, etc. Moving up scale these components...
The (de)lithiation process and resulting atomic nanoscale morphological changes of an a-Si/c-FeSi2/graphite composite negative electrode are investigated within a Li-ion full cell at several current rates (C-rates) after prolonged cycling by simultaneous operando synchrotron wide-angle small-angle X-ray scattering (WAXS SAXS). WAXS allows the probing local crystalline structure. In particular, observation graphite process, revealed LixC6 Bragg reflections, enables access to respective...
Failure mechanisms associated with silicon-based anodes are limiting the implementation of high-capacity lithium-ion batteries. Understanding aging mechanism that deteriorates anode performance and introducing novel-architectured composites offer new possibilities for improving functionality electrodes. Here, characterization nano-architectured composite composed active amorphous silicon domains (a-Si, 20 nm) crystalline iron disilicide (c-FeSi2 , 5-15 alloyed particles dispersed in a...
Abstract Our ARTISTIC project was born in 2018 to improve the efficiency of lithium‐ion battery cell manufacturing process through computational modelling, allowing research and development new digital tools accelerate optimization this process. Thanks use innovative numerical models, machine learning algorithms virtual mixed reality tools, we could significantly advance understanding manufacturing/battery performance relationships. However, scientific by itself is not enough bring...
Abstract We present two digital‐based educative games aiming to engage students and the general public with battery sciences. The first one is a multiscale simulator in Mixed Reality of battery‐powered Electric Vehicle (EV) interacting an Electrical Grid. One players drives EV Virtual (VR) environment where can be recharged, other control electricity produced, distributed, consumed stored by 3D‐printed devices. second game digital twin lithium ion manufacturing pilot line, which played from...
Abstract The manufacturing process of batteries can be complex and time‐consuming. We introduce a new version the digital twin our lithium‐ion battery pilot line, Simubat 4.0 Gen‐2, based on combination Virtual Reality Mixed Reality. This is designed to deliver training electrode properties. tool aims make users active learners, helping them visualize understand concepts meets strong need for skilled labor linked blooming gigafactory, in particular region. report here detailed study...
Germanium is a promising active material for high energy density anodes in Li-ion batteries thanks to its good conduction and mechanical properties. However, deep understanding of the (de)lithiation mechanism Ge requires advanced characterizations correlate structural chemical evolution during charge discharge. Here we report combined operando X-ray diffraction (XRD) ex situ7Li solid-state NMR investigation performed on crystalline germanium nanoparticles (c-Ge Nps) based partial complete...
In the field of 3-D resolved computational modelling Lithium-ion battery electrodes, arrangement and properties Carbon-Binder-Domain (CBD) play a critical role in ion electron transport through their impact on electrode tortuosity factor. However, until now, CBD porosity value -its main descriptor terms occupied volume- has been determined educated guesses due to lack an experimental approach. Here, we report novel methodology is reported for determination internal combination...
Abstract Invited for this month's cover picture is the work from Prof. Alejandro A. Franco's group at Université de Picardie Jules Verne. The front shows three screenshots of reported virtual reality digital twin a battery manufacturing pilot line, designed as an educative game to engage students and general public on sciences. Read full text Concept 10.1002/batt.202200369 .
Prior to the development of a solid-state battery cell, researchers have limited knowledge about microstructure electrodes and how they are affected by manufacturing. Therefore, numerical simulations can be considered as powerful tool link fabrication process final electrode. In this paper, simulation wet-processed cathode with formulation 75 % LiNi9Mn0.5Co0.5O2 (NMC), 17.5 %LPSCl, 5 Timcal C65 2.5 Polyisobutene (PIB) is presented. From nano-computed tomography images, realistic shapes...
Abstract Silicon‐germanium nanostructures are promising anode materials for high stability, capacity, and fast cycling Li‐ion batteries. In this work, we report on the outstanding performance of new SiGe/Si core@shell nanoparticle heterostructures synthetized in one step by laser pyrolysis silane germane. By tuning to germane ratio, composition Si 100‐ x Ge alloy was readily adjusted. Nanoparticles with =0, 20, 47, 77, 100 were investigated each (including internal mixed phases) confirmed...
Crystalline SiGe particles evidence sequential amorphization and the formation of crystalline Li 15 (Si 1− x Ge ) 4 depending on content upon lithiation.
The manufacturing process of batteries can be complex and time-consuming. We introduce a new version the digital twin our lithium ion battery pilot line, Simubat 4.0 Gen-2, based on combination Virtual Reality Mixed Reality. This is designed to deliver training lithium-ion electrode properties. tool aims make users active learners, helping them visualize understand concepts meets strong need for skilled labor linked blooming gigafactory, in particular region. report here detailed study...
Recent efforts in the ongoing energy transition showed that Lithium-Ion Batteries (LIBs) represent a suitable technology for portable devices and electric vehicles due to their high performances relatively good cell durability. However, optimization of electrode manufacturing process establishes critical step ensure high-quality LIBs. Nowadays, such is currently based on trial-and-error costly approaches. Indeed, LIB complex involving multiple interlinked steps, including numerous parameters...
Significant amount of research has been done recently on how to increase energy densities while maintaining or lowering costs in response the growing demand for lithium-ion batteries (LIBs). In order achieve optimization manufacturing process batteries, it is essential understand influence each stage architectures electrodes, which affects energy, power, lifetime and safety LIB cells. Our ERC-funded ARTISTIC project 1 develops a digital twin that enables predicting electrode their...