A sodium–sulphur battery is a type of molten-salt battery constructed from liquid sodium (Na) and sulphur (S). This type of battery has a high energy density, high efficiency of charge/discharge and long cycle life, and is fabricated from inexpensive materials. The operating temperatures of 300 to 350 °C and the highly corrosive nature of the sodium polysulphides, primarily make them suitable for stationary energy storage applications. The cell becomes more economical with increasing size.
Ontology