US Patent Issued to Ningde Amperex Technology on Nov. 3 for "Negative active material, electrochemical device that uses same, and electronic device" (Chinese Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,785,099, issued on Nov. 3, was assigned to Ningde Amperex Technology Ltd. (Ningde City, China).

"Negative active material, electrochemical device that uses same, and electronic device" was invented by Shuo Wang (Ningde, China), Jiali Dong (Ningde, China), Jia Tang (Ningde, China) and Yuansen Xie (Ningde, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A negative active material having a surface mean diameter of the negative active material satisfying: lg(SMD-2)+lg(SMD+2)less than=0.4. SMD is a value of the surface mean diameter of the negative active material measured in micro metre, and falls within a range of 10 to 16; and lg is a frequency. The n...