Core Viewpoint - The global first 720V high-voltage sodium salt battery production line has been completed and entered small-scale production in Ordos, Inner Mongolia, marking China as the third country to achieve commercial mass production of solid-state sodium batteries after Italy and the United States [5][11]. Group 1: Technology and Production - The solid-state sodium salt battery is characterized by its use of ceramic electrolytes that conduct sodium ions but not electrons, allowing for energy storage and release through ionic transfer [6]. - The production line aims to establish international standards for sodium salt batteries, positioning China at the forefront of the global energy storage market [11]. - The project, once fully operational, is expected to become the world's most automated and complete sodium salt battery production base, with an annual output value projected to exceed 6 billion yuan [11]. Group 2: Advantages of Solid-State Sodium Salt Batteries - High safety: The battery is considered the safest in electrochemical energy storage, with components that are non-flammable and resistant to high temperatures [7]. - High energy density: The theoretical energy density is 790Wh/kg, with actual performance reaching 120Wh/kg and 250Wh/L [8]. - Long cycle life: The storage life exceeds 15 years, and the charge-discharge cycle life is greater than 7,000 times [8]. - Maintenance-free: The battery features a fully sealed structure that is unaffected by external temperature conditions [8]. - Wide temperature adaptability: It can operate in environments ranging from -40°C to 60°C with humidity levels below 95% [9]. - Environmentally friendly: The materials used are 100% recyclable and have minimal environmental impact after disposal [9]. Group 3: Application Prospects - The solid-state sodium salt battery has broad application prospects across various fields, indicating significant potential for future growth and development in the energy storage sector [10].