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电动汽车的将告别“里程焦虑”!
Hu Xiu·2025-06-30 06:01

Group 1 - Solid-state batteries are entering a critical development phase, with companies like BYD, Guoxuan High-Tech, and FAW Group producing 60Ah automotive-grade cells with energy densities of 350-400Wh/kg and a cycle life of 1000 times, ahead of the previous expectations by about six months [1][2] - Solid-state batteries utilize solid electrolytes instead of liquid ones, enhancing safety, energy density, and environmental adaptability, making them suitable for electric vehicles and energy storage [2][4] - The energy density of solid-state batteries allows for a driving range of up to 1000 kilometers on a single charge, addressing winter range reduction issues with operational temperature ranges from -40°C to 150°C [2] Group 2 - The current development stage of solid-state batteries includes classifications such as liquid, semi-solid, quasi-solid, and all-solid, with semi-solid technology being prioritized in China due to the challenges of all-solid interfaces [4][7] - Companies like Qingtao Energy, Huineng Technology, and Ganfeng Lithium are leading the production of semi-solid batteries, while Japanese and Korean firms are focusing on all-solid battery research [7][8] Group 3 - Guoxuan High-Tech is accelerating its solid-state battery industrialization, having launched two new products at its global technology conference, including the "Guan" quasi-solid battery with a density of over 300Wh/kg and a range of 1000km [16][18] - The company has also made significant progress in the industrialization of its "Jinshi" all-solid battery, achieving energy densities of 350/280Wh/kg and beginning road tests [18][20] Group 4 - Honggong Technology is emerging as a key supplier of production equipment for solid-state batteries, focusing on dry electrode processes, which are expected to become the mainstream method in the future [22] - The company has established a joint venture to develop equipment that addresses the challenges of solid-state battery production, with its devices already integrated into the supply chains of major firms like Qingtao Energy and Ningde Times [22] Group 5 - TianNai Technology specializes in carbon nanotube conductive agents, which are crucial for solid-state batteries to enhance ionic conductivity and reduce internal resistance [24][27] - The company holds a 46.7% market share in the domestic carbon nanotube conductive paste market, significantly higher than its competitors, and is planning to scale up production to meet domestic demand [29]