ALEXANDRIA, Va., March 3 -- United States Patent no. 12,567,603, issued on March 3, was assigned to Ningde Amperex Technology Ltd. (Ningde, China).
"Electrochemical device" was invented by DongYang Guo (Ningde, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electrochemical device includes a cathode, an anode and a separator, the separator being disposed between the cathode and the anode, the separator including a porous substrate and a porous layer, and the porous layer being disposed on a surface of the porous substrate and including inorganic particles and a binder, where a ratio of a puncture elongation of the porous substrate to a puncture force of the porous substrate is about 1.5 mm/N to about...