ALEXANDRIA, Va., June 19 -- United States Patent no. 12,334,507, issued on June 17, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Atsugi, Japan).
"Solid-state secondary battery" was invented by Shunpei Yamazaki (Tokyo), Kazutaka Kuriki (Kanagawa, Japan), Yumiko Yoneda (Kanagawa, Japan) and Ryota Tajima (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A solid-state secondary battery with high safety is provided. The solid-state secondary battery includes a first film that has a function of releasing and accumulating a lithium ion and is over a negative electrode current collector layer, a second film that has a function of transporting a lithium ion and is over the first film, a thi...