Recent progress and challenges in the development of Prussian blue analogues as new intercalation cathode materials

Abstract

As a large family of the lattices with open framework structure, abundant redox-active sites and chemically stable structures, Prussian blue and its analogues (PBAs) can serve in principle as promising insertion cathode materials for a variety of metal ions. This paper reviews the recent progress in the development of PBAs compounds as Li+, Na+ and other multivalent ions (Mg2+, Al3+, Zn2+, Ca2+ and etc.) insertion cathodes, discusses the relationship between the crystal structure of PBAs and their ion insertion behaviors and briefly analyzes the possible strategies for the problems present in the battery applications of PBAs, aiming at promoting the development of a new type of cathode host materials for next generation advanced batteries.