Dr. Franck DOLHEM, Organic Chemist
University of Picardy Jules Verne, Laboratoire de Glycochimies, des Antimicrobiens et Agroressources (LG2A)-UMR CNRS 7378, Amiens, France.
Franck DOLHEM received his PhD in organic chemistry and glycochemistry in 2003 from the University of Picardy. During is PhD, he has develop several new efficient routes for carbohydrates modification and the rapid obtaining of different cyclitols. Then he joined the group of Aloïs Fürstner at the Max Planck Institute für Kohlenforschung (Mulheim, Germany) for a one year post-doctoral stay working on the total synthesis of a natural product. He moved to Chalmers University (Sweden) to develop new libraries of P-chiral ligand for homogeneous catalysts. He’s currently Associate Professor at the LG2A (University of Picardie, Amiens, France). His research is mainly focused on organic renewable advanced materials issued from biomass and their implementation in secondary batteries. Since 2006, conjointly with his colleague P. Poizot, is promoting the idea of “renewable” batteries (Organic Batteries) relying on eco-friendly organic electrodes as a possible greener and cheaper alternative to classical inorganic materials. He has published more than 20 papers on this special topic.
Dolhem1, A. Jouhara2, A. Lackraychi1,3,4, N. Dupré2, D. Guyomard2, M. Bécuwe3,4, P. Poizot2
1 Laboratoire de Glycochimie, des Antimicrobiens et des Agroressources (LG2A), UMR CNRS 7378, Université de Picardie Jules Verne, 33 rue Saint-Leu, 80039 Amiens Cedex, France
2 Institut des Matériaux Jean Rouxel (IMN), UMR CNRS 6502, Université de Nantes, 2 rue de la Houssinière, B.P. 32229, 44322 Nantes Cedex 3, France
3 Laboratoire de Réactivité et Chimie des Solides (LRCS), UMR CNRS 7374, Université de Picardie Jules Verne, 33 rue Saint-Leu, 80039 Amiens Cedex 1, France
4 Réseau sur le Stockage Électrochimique de l’Énergie (RS2E), FR CNRS 3459, France
An easy, reliable and cheap access to energy has always been synonym for technological and life quality progresses. The main challenge of our century is to ally energy supply with environmental sustainability. With the ongoing shift from fossil fuels (and its environmental burden) to renewable sources, in transportation (Electric Vehicles or Hybrids) and in energy production, needs in efficient electricity storage devices make rechargeable batteries essential means, not to mention the ever increasing demand induced by the bloom of smart devices (Internet of Things). The accelerating technological growth and worldwide demand for powerful, safer and greener batteries implies to explore new battery chemistries in order to attain the necessary high and green performances. To this respect, the last decade has seen a renewed interest concerning Electroactive Organic Materials (EOMs) due to their intrinsic qualities such as multi-electrons reactions, a wide battery design flexibility, a possible lower environmental impact of the cells, and lower cost.[3–7] Although EOMs could play a major role in the implementation of low-polluting batteries, efforts must be made to develop efficient, safe, and stable high-capacity organic cells. In fact, reports on all-organic metal-ion batteries scarce, due to a critical lack of lithiated organic positive materials.
This contribution aims at reporting recent electrochemical data obtained with crystallized and lithiated organic positive electrode materials and explaining how it is possible to tune their electrochemical activity in order to reach higher potential values (i.e. >3 V vs. Li+/Li) depending on the molecular assembly and its electrostatic environment. We hope that such findings can pave the way for designing high voltage organic Li-ion batteries in a near future.