ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,412,904, issued on Sept. 9, was assigned to Ningde Amperex Technology Ltd. (Ningde, China).
"Negative electrode plate, electrochemical device, and electronic device" was invented by Xiaoping Lin (Fujian, China), Maohua Chen (Fujian, China) and Yuansen Xie (Fujian, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A negative electrode plate includes a three-dimensional framework structure. The three-dimensional framework structure includes fibers and rigid particles. Mohs hardness of the rigid particles is greater than or equal to 2, and an elastic modulus of the rigid particles is greater than or equal to 40 Gpa. The three-dimensional framework stru...