ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,500,266, issued on Dec. 16, was assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT Co. LTD. (Osaka, Japan).
"Lithium secondary battery" was invented by Takuya Sadakane (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lithium secondary battery having a positive electrode, a separator, a negative electrode facing the positive electrode with the separator interposed therebetween, and an electrolyte, in which metallic lithium deposits on the negative electrode during charge. The electrolyte includes: an oxalate salt containing an oxalate complex as an anion, and a lithium ion as a cation; and a polycyclic compound having a thiazole ring an...