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2025高工新能源新材料产业大会 | 厦钨新能源、湖南恩捷、赣锋锂业等将做主题演讲
高工锂电· 2025-07-05 10:47
Core Viewpoint - The industrialization of solid-state batteries requires a collaborative innovation across the entire material system, focusing on the reconstruction of the electrochemical environment within the battery [1] Group 1: Solid-State Battery Materials - The iteration of cathode materials is crucial for achieving performance breakthroughs in solid-state batteries, with companies like Rongbai Technology advancing their first-generation 8-series ternary materials to ton-level verification, matching the cost of liquid batteries [2] - The second-generation 9-series ultra-high nickel materials with a capacity greater than 230mAh/g have been shipped to major clients, while the third-generation lithium-rich manganese-based materials (capacity > 300mAh/g) are in joint development, aiming for small batch shipments by 2025 [2] - Xiamen Tungsten's new "NL" cathode material structure shows significant improvements in energy density and rate performance due to its stable structure and wider interlayer spacing [2] Group 2: Cost Reduction and Production Capacity - The use of inexpensive metals instead of precious metals in materials presents significant long-term cost reduction potential, with current production capacity at the kiloton level, primarily targeting low-altitude economy and 3C consumer sectors [3] - Hunan Enjie, a subsidiary of Enjie Co., is innovating in the solid-state battery sector by adopting a "one-step" carbon thermal reduction process to produce high-purity lithium sulfide, with a hundred-ton production capacity established [3] - Enjie predicts that the price of lithium sulfide may drop to 500,000 yuan per ton within the next 3-5 years [3] Group 3: Electrolyte Development - Enjie is building a full-chain advantage from "electrolyte powder" to "electrolyte film," with a high ionic conductivity of 6mS/cm for its nanometer-level sulfide electrolyte powder and plans for a kiloton production line [4] - Xiamen Tungsten is developing a unique lithium sulfide synthesis process, claiming significant advantages in purity and cost, and is preparing to promote it to domestic and international clients [4] - Rongbai Technology is also actively developing optimized particle size distribution for sulfide electrolytes, with pilot verification planned for the fourth quarter of the same year [4] Group 4: Supporting Materials and Integration - BlueTing New Energy has introduced metal-organic framework (MOF) materials, which enhance lithium-ion conduction and extend the cycle life of solid-state batteries by 30-50% [4] - BlueTing has combined MOF with inorganic electrolytes to define a "super solid-state electrolyte (SSE)" and has formed strategic partnerships with electrolyte companies to provide interface solutions for mainstream technology routes [5] - Ganfeng Lithium, as a "full-stack integrator," has achieved milestone breakthroughs in battery cells, realizing small batch production of lithium metal batteries with an energy density of 500Wh/kg [6] Group 5: Market Applications - Ganfeng is expanding the application of semi-solid and solid-state batteries from electric vehicles to low-altitude economy aircraft and high-end consumer electronics, showcasing a complete closed-loop from materials to commercialization [6]