ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,469,845, issued on Nov. 11, was assigned to Livent USA Corp. (Philadelphia).

"Fast charging pre-lithiated silicon anode" was invented by Marina Yakovleva (Gastonia, N.C.), Kenneth Brian Fitch (Cherryville, N.C.) and Jian Xia (Belmont, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A battery having a cathode and an anode is provided with a three-dimensional porous framework. The anode includes an anode active material lithiated with a lithium source. The lithium particles from the lithium source are alloyed or intercalated with the anode active material during diffusion to form the three-dimensional porous framework. The porous framework provides re...