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Profile | Photovoltaic solar power | Renewable energies
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Dr. Hab.
In 2000, Angel Kirchev began his career as a researcher at the Bulgarian Academy of Sciences (BAS) when he joined the BAS Institute for Electrochemistry and Energy Systems' (IEES) Lead Battery Department. During his tenure at BAS-IEES, he was involved in several European-Commission-funded R&D projects, the Advanced Lead-Acid Battery Consortium, and the US Army's European Research Office.
During that time, he also pursued his PhD, with a dissertation on oxygen recombination processes in sealed lead-acid batteries—research that won him a Dave Rice Award in 2005. The same year, he joined CEA-Liten's energy storage team.
- Electrochemistry;
- Storage of renewable energy;
- Hydrogen production.
When thermal runaway occurs in a battery, the gases emitted (or generated) can ignite! CEA-Liten has developed a system to manage these gases to prevent this type of event, which often involves the projection of fragments and the release of toxic fumes. The initial results have been promising.
By combining two AI models with transfer learning techniques, researchers from CEA-Liten and CEA-Leti have managed to estimate the state of health of Li-ion batteries with unprecedented levels of accuracy. What’s more, these results were based on a real-world dataset of just 40 cells! This major breakthrough will help improve battery use and extend their lifespan.
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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.