Cost advantage: Sodium is one of the abundant resources on Earth, and its cost is lower compared to lithium, meaning that sodium-ion batteries can be more economical in mass production.Abundant resources: The reserve of sodium is much larger than that of lithium, making sodium-ion batteries more sustainable in terms of material supply in the long run.Environmentally friendly: The materials and production process of sodium-ion batteries have less environmental impact, are easy to recycle, and are more eco-friendly.Thermal stability: Sodium-ion batteries typically show better stability at high temperatures, making them potentially safer for high-temperature applications.Cycle life: Sodium-ion batteries demonstrate good cycle stability and potential for a long life.Wide applicability: Sodium-ion batteries can work within a wide temperature range, including very cold or very hot environments.