Journal Article hard carbon sodium-ion batteries P2‐type layered transition metal oxides Zn metal batteries anion decomposition binder bioinspired gating effect continuously‐distributed crystalline‐NaF‐rich SEI dynamical electrostatic shielding electrolyte additive gradient-order structure inorganic-rich solid electrolyte interface interfacial catalysis kinetic triplet safety of sodium‐ion batteries silicon anode sodium storage mechanism solid electrolyte interface structural evolution thermal runaway ultra‐long cycling life universality of electrochemical reconstruction