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4. Environmental protection and sustainability: the production process of sodium ion battery has little impact on the environment, and it is easy to realize recycling, which conforms to the concept of sustainable development.Challenge:

Challenge:Challenge: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.

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.2. 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.2. Transportation field: In the transportation field, sodium ion batteries can be used as a supplement to lithium ion batteries and applied to some new energy vehicles, low-speed electric vehicles, two-wheeled vehicles and other fields with low endurance requirements. In addition, sodium ion batteries can also be used in mining areas, construction machinery and other scenes to replace traditional diesel engines and reduce the problems of air pollution and corrosion of equipment.