ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,731,813, issued on Sept. 8, was assigned to Ampcera Inc. (Tucson, Ariz.).

"Solid-state electrolyte material comprising a chalcogenide-based ionic-conductive structure, particularly a sulfide-based ionic-conductive structure" was invented by Hui Du (Tucson, Ariz.), James Emery Brown (Tucson, Ariz.), Sumin Zhu (San Franscisco, Calif.) and Chen Chen (Tucson, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A solid-state electrolyte material, comprising: a chalcogenide-based ionic-conductive structure comprising: one or more of lithium, sodium, aluminum, magnesium, iron, and potassium; one or more of sulfur, oxygen, selenium, and tellurium; one or more ...