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3. Strong temperature adaptability: The performance of sodium ion battery is excellent in low temperature environment, even in the low temperature environment of -20℃, its capacity retention rate can still reach above 88%, which makes sodium ion battery have obvious advantages in energy storage application in cold regions.Third, the market application opportunities of sodium ion batteries2. High safety: The sodium ion battery has an ultra-wide working temperature range of -40℃-80℃, and it is not easy to get out of control even at high temperature, so its safety is higher.

Challenge:As a new energy storage technology, sodium ion battery has a broad development prospect. First of all, sodium resources are abundant and widely distributed on the earth, mainly in the form of sodium chloride (salt), which makes the raw material cost of sodium ion batteries relatively low. Secondly, the sodium ion battery has little environmental impact in the manufacturing process, and it is easy to realize environmental protection recycling, which conforms to the concept of sustainable development. In addition, with the technical breakthrough and the realization of large-scale production, the performance of sodium ion batteries will be further improved and its commercialization process will be accelerated.1. Technical breakthrough: Although sodium ion battery technology has made some progress, it still needs further breakthrough in energy density and cycle life to meet the market demand.

Iv. Opportunities and challenges of Pawa in the field of sodium electricityIv. Opportunities and challenges of Pawa in the field of sodium electricity