US Patent Issued to Semiconductor Energy Laboratory on July 15 for "Secondary battery and a method for fabricating the same" (Japanese Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,362,381, issued on July 15, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Kanagawa-ken, Japan).

"Secondary battery and a method for fabricating the same" was invented by Shunpei Yamazaki (Tokyo) and Minoru Takahashi (Nagano, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The adhesion between metal foil serving as a current collector and a negative electrode active material is increased to enable long-term reliability. An electrode active material layer (including a negative electrode active material or a positive electrode active material) is formed over a base, a metal film is formed over the electrode active material layer by sputter...