ALEXANDRIA, Va., March 31 -- United States Patent no. 12,592,390, issued on March 31, was assigned to NINGDE AMPEREX TECHNOLOGY Ltd. (Ningde City, China).
"Negative electrode plate, electrochemical device containing same, and electronic device" was invented by Wenhao Guan (Ningde, China), Maohua Chen (Ningde, China) and Yuansen Xie (Ningde, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A negative electrode plate includes a negative current collector, a lithium metal negative electrode, and a negative electrode framework. A polarization electric field exists inside the negative electrode framework. A direction of the polarization electric field is directed from a surface of the negative electrode to th...