Sodium-sulfur Battery

A sodium-sulfur (NaS) battery is a high-capacity energy storage system that uses liquid sodium and liquid sulfur as its main materials. During charging, sodium atoms move from the anode to the cathode, while sulfur atoms do the opposite; during discharging, this process reverses, releasing stored energy as electricity. These batteries operate at high temperatures (around 300°C to 350°C), which keeps the materials in liquid form for efficient energy transfer. NaS batteries are valued for their ability to store large amounts of energy, making them suitable for grid stabilization and large-scale energy management, especially with renewable sources like wind and solar.