ALEXANDRIA, Va., March 31 -- United States Patent no. 12,592,416, issued on March 31, was assigned to HON HAI PRECISION INDUSTRY Co. LTD. (New Taipei City, Taiwan) and SolidEdge Solution Inc. (Hsinchu City, Taiwan).

"Solid-state electrolyte film and solid-state battery" was invented by Hong-Zheng Lai (Hsinchu City, Taiwan) and Tseng-Lung Chang (Hsinchu City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A solid-state electrolyte film includes a first lithium salt, a first polymer, a second polymer, and a solid-state electrolyte. The first polymer has a weight average molecular weight of between 60,000 g/mol and 1,800,000 g/mol. The second polymer has a granular shape. The solid-state electrolyte has ...