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Le stockage et la conversion de l’énergie sont un des grands défis scientifiques des prochaines décennies et un enjeu environnemental majeur. Quels nouveaux matériaux vont permettre de fabriquer des batteries plus efficaces et plus « propres » ? Jean-Marie Tarascon fait le point sur ces questions qui concernent notre avenir et celui de la planète. Il présente notamment les technologies à ions Lithium, l’apport des nanaotechnologies, et les recherches visant à l’élaboration des matériaux par des méthodes « bio-inspirées » : l’utilisation des matériaux d'électrodes provenant de la biomasse et obtenues par « chimie verte ». The storage and conversion of energy represents one of the major scientific challenges for coming decades with high stakes for the environment. Which new materials will enable the construction of more efficient and “cleaner” batteries? Jean-Marie Tarascon takes stock of these questions with their implications for our future and that of the planet. He notably discusses lithium-ion technology, the contribution of nanotechnologies and current research into using bio-inspired methods to develop material such as electrode material obtained from the biomass by scientists working in the field of “green chemistry”.

Energy storage --- Electric power production from chemical action --- Sustainable engineering --- Lithium ion batteries --- Mechanical Engineering --- Engineering & Applied Sciences --- Mechanical Engineering - General --- Environmental aspects --- Cells, Lithium ion --- Electrochemical cells, Lithium ion --- LIBs (Lithium ion batteries) --- Li-ion batteries --- Lithium ion cells --- Lithium ion electrochemical cells --- Engineering sustainability --- Green engineering --- Storage of energy --- Storage batteries --- Engineering --- Green technology --- Environmental engineering --- Direct energy conversion --- Force and energy --- Power (Mechanics) --- Flywheels --- Pulsed power systems --- chimie verte --- développement durable --- énergie --- nanotechnologies --- environnement --- batteries à ions lithium