 Lithium batteries are electrochemical devices that are widely used as power sources. This history of their development focuses on the original development of lithium-ion batteries. In particular, we highlight the contributions of Professor Michel Armand related to the electrodes and electrolytes for lithium-ion batteries. This article was authored by Moghalla Halli v. Reddy, Alain Mogher, Christian M. Julian, and others. Thank you for watching!