ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,703, issued on Oct. 21, was assigned to UCHICAGO ARGONNE LLC (Chicago).

"Continuous hydrothermal manufacturing method for concentration-gradient monocrystalline battery material" was invented by YoungHo Shin (LaGrange Highlands, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention provides a battery material comprising-monocrystalline particles not having internal void fractions, wherein each of the monocrystalline particles is without internal grain boundaries such that anisotropic volume change issues of polycrystalline particles don't occur when the particles are charged and discharged during cycling. Also provided is the monocrystal...