“WEG Energy. Provides a total END to END solution Molten Salt – MEGA BATTERY STORAGE
Made from molten salt with Multiple charging options, Steam, Hot Water, Electricity
Trough Thermal Energy All Green Energy
“Water Energy Group SA is an International Energy Solution company bringing renewable and energy storage Technology to the global market place”
“Energy Storage Systems The Future ” Mega Storage “
HOW DOES A ENERGY STORAGE SYSTEM WORKS?
How Molten Salt Batteries Work:
molten salt battery depends on the application, but the Sodium-Sulfur (NaS) battery is widely regarded as one of the most advanced and commercially viable options.
Why Sodium-Sulfur (NaS) Batteries Are the Best
- High Energy Density
- Can store large amounts of energy, making them ideal for grid-scale storage.
- Long Cycle Life
- Can last over 4,500 cycles, meaning they can operate for 10–15 years with proper maintenance.
- High Efficiency (90% or more)
- Low energy loss compared to other battery technologies.
- Thermal Stability & Safety
- Unlike lithium-ion, NaS batteries do not suffer from thermal runaway, reducing fire risks.
- Sustainability & Low Cost
- Uses abundant materials (sodium and sulfur) rather than expensive and rare metals like lithium or cobalt.
- Ideal for Renewable Energy Storage
- Best suited for storing solar and wind energy, stabilizing the power grid.
How NaS Batteries Work
- Operates at 300–350°C to keep sodium and sulfur molten.
- Charging: Sodium (Na) ions move from the anode (molten sodium) to the cathode (molten sulfur), forming sodium polysulfide.
- Discharging: The reaction reverses, and electrons flow through an external circuit, generating power.
Drawbacks of NaS Batteries
- High Operating Temperature: Requires insulation and heating to maintain molten salt.
- Slow Startup Time: Takes time to reach operating temperature before use.
- Corrosion Issues: Sulfur can degrade battery materials over time.
Alternatives:
- Sodium-Metal Halide (ZEBRA) Batteries
- Safer than NaS but slightly lower energy density.
- Molten Silicon Batteries
- Promising for ultra-high-temperature energy storage (~1,000°C).
For grid energy storage, Sodium-Sulfur (NaS) batteries remain the best due to their high efficiency, long life, and cost-effectiveness.