As the intermediate energy storage devices between conventional batteries and dielectric capacitors, supercapacitors have attracted significant att on because of its advantages, such as high power density, fast charging/discharging, lon cycle life and superior reversibility, etc. Nowadays, exploiting an electrode material wit cellent electrochemical properties and high conductivity is very important for the develo ent of supercapacitors. Prussian blue (PB), namely iron hexacyanoferrate with FCC crys l structure, is an important kind of mixed-valence compoundsand considered as one f the oldest synthetic coordination compounds. Manganese hexacyanoferrate (MnHCF) ha ttracted attention in some field due to the abundant raw materials, unique tunnel structure, low st and higher specific area, etc.
