US Patent Issued to Semiconductor Energy Laboratory on May 20 for "Electrode and power storage device comprising graphene compound" (Japanese Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,308,421, issued on May 20, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Kanagawa-ken, Japan).

"Electrode and power storage device comprising graphene compound" was invented by Mayumi Mikami (Kanagawa, Japan), Yohei Momma (Kanagawa, Japan), Minoru Takahashi (Nagano, Japan), Hiroshi Kadoma (Kanagawa, Japan), Teppei Oguni (Kanagawa, Japan) and Satoshi Seo (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A novel electrode, a novel power storage device, an electrode with less deterioration, an electrode with a high capacity, a long-life power storage device, a power storage device with less deterioration, a power storage device wi...