Coupling Porous Architecture and Fe–F Coordination Engineering Enables Highly Reversible FeF3 Cathode Materials
Iron trifluoride (FeF3) is a promising conversion-type cathode material for next-generation lithium-ion batteries (LIBs) owing to its high theoretical capacity enabled by multielectron redox chemistry. However, its practical application is limited by sluggish reaction kinetics, large volume fluctuations, and unstable...