NANO-ENGINEERED COATINGS FOR ANODE ACTIVE MATERIALS, CATHODE ACTIVE MATERIALS, AND SOLID-STATE ELECTROLYTES AND METHODS OF MAKING BATTERIES CONTAINING NANO-ENGINEERED COATINGS

摘要

The present disclosure relates to a nano-engineered coating for cathode active materials, anode active materials, and solid state electrolyte materials for reducing corrosion and enhancing cycle life of a battery, and various process for applying the disclosed coating.

主权项

1. An ionically-conductive coating for a cathode active material, an anode active material, or a solid state electrolyte for use in a battery, comprising:
a layer of coating material disposed on a surface of the cathode active material, the anode active material, or the solid state electrolyte of the battery; the layer of coating material comprising one or more of a: (i) metal oxide; (ii) metal halide; (iii) metal oxyflouride; (iv) metal phosphate; (v) metal sulfate; (vi) non-metal oxide, (vii) olivines, (viii) NaSICON structures, (ix) perovskite structures, (x) spinel structures, (xi) polymetallic ionic structures, (xii) metal organic structures or complexes, (xiii) polymetallic organic structures or complexes, (xiv) structures with periodic properties, (xv) functional groups that are randomly distributed, (xvi) functional groups that are periodically distributed, (xvii) functional groups that are checkered microstructure, (xviii) 2D periodic arrangements, and (ixx) 3D periodic arrangements; and the layer of coating material being mechanically-stable.