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Profile | Photovoltaic solar power | Renewable energies
Dr. Hab.
Jean-François Colin has been researching and characterizing new materials for lithium-ion batteries for more than two decades.
He obtained a PhD in Materials Chemistry from the University of Caen Basse-Normandie in 2007, with a focus on the development of oxides for lithium-ion system anodes. He then went on to the Paul Scherrer Institute in Switzerland for a postdoctorate (2008 to 2010) on the synthesis and testing of Li-rich cathodes, which included setting up in situ battery characterization protocols.
He has been a research engineer at the CEA since 2010, developing new materials for lithium-ion batteries, including Li-rich cathodes, high-potential anodes, and solid sulfur electrolytes. He has also developed multiscale operando characterization techniques.
In 2020, he obtained his accreditation to supervise research (Habilitation à Diriger des Recherches, or HDR). Today, his research contributes significantly to the development of energy storage technologies essential for the energy transition.
Domains
Team
- Development of oxides for use in Li-ion battery electrodes;
- Development of operando characterization methods (mainly structural analyses) using large instruments.
How can you design batteries with the lowest possible impact on the environment? Well, together with Laboratoire G-SCOP, CEA researchers combined LCA with parametric models. This unprecedented method allows them to quantify the impact of design choices on a battery’s environmental impact, including its lifetime.
By combining X-ray diffraction and small angle scattering at the ESRF, electrochemical analysis and gas detection, CEA researchers have managed to track the degradation of an overcharged Li-ion battery in real time. This breakthrough brings great opportunities, including the ability to identify the optimal operating range, refine aging models, and improve post-production quality models.
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CEA is a French government-funded technological research organisation in four main areas: low-carbon energies, defense and security, information technologies and health technologies. A prominent player in the European Research Area, it is involved in setting up collaborative projects with many partners around the world.