ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,749,778, issued on Sept. 29, was assigned to PRIME PLANET ENERGY & SOLUTIONS INC. (Tokyo).
"Battery cell and method of manufacturing same" was invented by Hiromasa Nishijima (Hirakata, Japan), Tomokazu Yamanaka (Kakogawa, Japan) and Yoshitaka Matsumasa (Takatsuki, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A battery cell includes: a case including a main body provided with an opening, and a sealing plate that seals the main body; an electrode assembly accommodated in the case and having an electrode tab; and a current collector joined to the electrode tabs. The electrode tab has a stacking structure of metal foils, and a plurality of burring-...