Sodium ion batteries are next-generation solutions for the growing residential solar industry. Many view it as a way to scale energy storage, because, compared to lithium ion technology, it uses widel.
[pdf] This review addresses the critical problem of improving sodium-ion battery (SIB) performance at low temperatures by systematically analyzing the optimization of electrode materials, electrolyte compositions, and interfacial stability.
[pdf] $280 - $580 per kWh (installed cost), though of course this will vary from region to region depending on economic levels. For large containerized systems (e.g., 100 kWh or more), the cost can drop to $180 - $300 per kWh.
[pdf] 
