GE to Manufacture Molten Salt Sodium Nickel Chloride Batteries for Stationary Electricity Storage Applications

Some information taken from Durathon Utilility Battery Brochure:

gravimetric energy density: 115 Wh/kg
volumetric energy density: 160 Wh/L
operating temperature range: -20°C to 60°C
Cycle Life: >3,000 operating cycles at 80 percent DOD on a two-hour rate
Cathode Chemistry: NiCl₂+NaAlCl₄
Anode Chemistry: Liquid Na

The advertised cycle life of >3000 is in between FZ Sonicks's (>2000) and NGK Insulators (=4500).

Some information taken from Durathon Utililty Battery Spec Sheet:

Round trip efficiency (2h discharge/4h recharge): 91%

Jun 25, 2011