Philippe Azaïs has a PhD in Industrial Science and Technology. He is currently head of CEA Program dedicated to “energy efficiency of complex systems and energy networks. He was recently deputy head of the Storage Solutions and Flexibility programme at CEA. He is specialized in electro chemical storage systems (batteries, supercapacitors, …) and directs several theses in thisfield. He is the author of articles and books on these subjects. He was managing the innovation, industrial property and research at Blue Solutions (Bolloré) before joining the CEA in 2011 to coordinate technological research projects.