Sodium batteries which use liquid sulfur for the cathode (Na-S batteries)
Sodium nickel chloride batteries (Na-Nicl2)
Typical cell voltage
328 KWh/m3, 142 KWh/ton
Complete battery level
170 kWh/m3, 120 kWh/ton
They are mainly used in stationary storage applications, such as wind and solar power grid energy storage. Sodium-nickel chloride is also used in hybrid electric light and heavy commercial road vehicles such as buses, vans and trucks.