ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,326, issued on April 14, was assigned to AMPERE S.A.S. (Boulogne-Billancourt, France).

"Solid lithium cell, battery comprising said cells and manufacturing process for manufacturing said battery" was invented by Mohamed Chakir (saint Germain les Arpajon, France), Akhil Dileep (Kerala, India), Balaji Kalyanarangan (Chennai, India), Madhumithaa Murali-A (Chennai, India), Jayanth-Ramaswami Ramamurthy (Chennai, India) and Konda-Shiva Reddy (Chennai, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "A solid lithium cell is formed by stacking an etched copper substrate, a layer of graphite, an electrolyte, and a layer of nickel, manganese, and cobalt ...