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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.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.1. Low cost: The abundant sodium resources make the raw material cost of sodium ion batteries much lower than that of lithium ion batteries, which is of great significance for large-scale energy storage and transportation applications.

1. Low cost: The abundant sodium resources make the raw material cost of sodium ion batteries much lower than that of lithium ion batteries, which is of great significance for large-scale energy storage and transportation applications.First, the development prospect of sodium ion batteriesChallenge:

3. Policy support: China Municipal Government attaches great importance to the development of energy storage batteries, and has issued a series of policies and measures to support the research and development and application of new energy storage technologies such as sodium ion batteries. This will provide a strong policy guarantee for the development of Pawa in the field of sodium ion batteries.Opportunity:1. Low cost: The abundant sodium resources make the raw material cost of sodium ion batteries much lower than that of lithium ion batteries, which is of great significance for large-scale energy storage and transportation applications.