ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,107, issued on Dec. 2, was assigned to UMICORE (Brussels).

"Powder for use in the negative electrode of a battery and a battery comprising such a powder" was invented by Kun Feng (Olen, Belgium), Boaz Moeremans (Olen, Belgium) and Jean-Sebastien Bridel (Olen, Belgium).

According to the abstract* released by the U.S. Patent & Trademark Office: "A powder for use in a negative electrode of a battery, comprising a mixture of a first number-based fraction of particles comprising a carbonaceous matrix material and silicon-based particles dispersed therein, and a second number-based fraction of particles, comprising Si-free carbonaceous particles comprising graphitic domains having a mea...