Prussian white (PW), which is the fully reduced and sodiated form of prussianblue(PB), which is called Prussian white because it contains high sodium (Prussian blue contains only one sodium) and appears white.

NMC532（NCM523） is an advanced battery material that precisely controls the ratio of nickel, manganese, and cobalt at 5:2:3, designed to balance energy density, cycle life, safety, and cost

A sodium-ion battery is mainly composed of a positive electrode, a negative electrode, an electrolyte, a separator, and a current collector.