Sodium ion batteries (Na-ion batteries) are an emerging technology offering a promising alternative to traditional lithium-ion batteries for various applications. They are particularly well-suited for large-scale energy storage systems due to their lower cost and abundant raw material availability. Na-ion batteries have demonstrated impressive energy densities, comparable to lithium-ion batteries, and exhibit excellent cycle life, ensuring long-term reliability. Their robust performance across a wide temperature range makes them ideal for both indoor and outdoor installations. The environmental friendliness of sodium ion batteries, coupled with their ability to be charged and discharged multiple times without significant capacity loss, positions them as a sustainable and efficient energy storage solution for the future.