Journal Article sodium-ion batteries Li metal batteries cathode cathodes electrochemistry LiF-enriched solid electrolyte interphase Ni6-ring O3−P3 capacitance dendrite-free Li plating electrochemical window facets heterogeneous multilayered structures high coulombic efficiency high energy high-voltage LiCoO2 cathodes high-voltage systems high‐entropy oxides inorganic-rich cathode electrolyte interphase kinetics low-temperature performance nanosheets nonflammable electrolytes phase transition phase transitions single-crystalline cathodes sodium-ion full batteries sodium-super-ion conductor sodium‐ion batteries