Sodium antimonide
Sodium antimonide is a binary inorganic compound with the molecular formula.
Synthesis
The compound is often synthesized by fusing the elements together at 900 °C in an inert atmosphere, resulting in a crystalline phase that facilitates Li or Na-ion storage.Physical properties
The compound forms bluish-black cystals of the hexagonal crystal system, space group P63/mmc, cell parameters a = 0.532 nm, c = 0.947 nm, Z = 2.At high pressures, the transition to the cubic system occurs.
Chemical properties
Sodium antimonide reacts with water, producing stibine and sodium hydroxide:Uses
The compound is known for its application as a high-capacity, rechargeable anode material in sodium-ion batteries.It is also used as a light-emitting component in photocathodes.