“马拉松”电池测试20多年仍未老化，中国现在能量产了

Group 1 - The core viewpoint of the article highlights China's significant breakthrough in solid-state sodium salt battery technology, moving from "0 to 1" and now advancing towards "1 to 100" in industrialization [1] - The world's first 720V high-voltage sodium salt battery production line has been completed and is now in small-scale production in Ordos, Inner Mongolia, making China the third country to achieve commercial mass production of solid-state sodium salt batteries after Italy and the United States [1] - The sodium salt battery is recognized as the safest battery in electrochemical energy storage, featuring a solid ceramic electrolyte and components that are non-flammable and can withstand extreme conditions, with a cycle life of up to 7000 times [3] Group 2 - Inner Mongolia Jianheng Aoneng Technology Co., Ltd. is leading the establishment of international standards for sodium salt batteries, aiming to position China at the forefront of the global energy storage market [7] - Once fully operational, the project is expected to become the most automated and complete 3GWh sodium salt battery production base globally, with an estimated annual output value exceeding 6 billion yuan [7] - The development will promote the collaborative growth of the upstream and downstream industrial chain, contributing to the establishment of a new integrated power system in Ordos [7]