MULTIFUNCTIONAL ENGINEERED PARTICLE FOR A SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME

An engineered particle for an energy storage device, the engineered particle includes an active material particle, capable of storing alkali ions, comprising an outer surface, a conductive coating disposed on the outer surface of the active material particle, the conductive coating comprising a MAlSiOfilm; and at least one carbon particle disposed within the conductive coating. For the MAlSiOfilm, M is an alkali selected from the group consisting of Na and Li, and 1≤x≤4, 0≤y≤1, 1≤z≤2, and 3≤w≤6.