ALEXANDRIA, Va., March 3 -- United States Patent no. 12,567,582, issued on March 3, was assigned to Umicore (Brussels).
"Silicon-based powder, electrode and battery comprising such a powder" was invented by Stijn Put (Olen, Belgium), Nicolas Marx (Olen, Belgium), Jan Gilleir (Olen, Belgium) and Daniel Nelis (Olen, Belgium).
According to the abstract* released by the U.S. Patent & Trademark Office: "A silicon-based powder for use in the negative electrode of a battery comprises silicon-based particles. The silicon-based particles have a number-based particle size distribution having a d50, and less than 8.0% of the particles have a size which is larger than twice the d50. The silicon-based powder may be embedded in a matrix to form an acti...