US Patent Issued to Semiconductor Energy Laboratory on Oct. 7 for "Positive electrode active material including lithium-containing complex phosphate elliptical particles, power storage device, electronic device, and method for manufacturing: positive electrode active material" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,438,161, issued on Oct. 7, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Kanagawa-ken, Japan).

"Positive electrode active material including lithium-containing complex phosphate elliptical particles, power storage device, electronic device, and method for manufacturing: positive electrode active material" was invented by Yumiko Yoneda (Kanagawa, Japan) and Takuya Miwa (Mie, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A positive electrode active material includes a plurality of groups of particles. The plurality of groups of particles has a particle diameter of more than or equal to 300 nm and less than or equal to 3 micro metre. Each...