正极材料技术创新
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全球首发!T246低温高倍率型正极材料问世,重卡/储能应用迎革命性突破
鑫椤锂电· 2025-05-29 08:03
Core Viewpoint - The article highlights the significant advancements made by Liyuan Technology in the development of a new cathode material, T2 4 6, which addresses the challenges of low-temperature performance and high-rate capabilities in lithium iron phosphate batteries, crucial for electric vehicles and energy storage systems [2][4]. Group 1: Product Performance - T2 4 6 material demonstrates excellent balance in performance, achieving over 60% capacity retention at -20°C while maintaining stable capacity [4]. - The material's high powder density (greater than 2.40 g/cm³) and optimized particle size distribution contribute to a balanced energy density performance, enabling batteries to excel in both low-temperature and endurance aspects [4]. Group 2: High Rate Performance - The new product utilizes techniques such as precursor nanonization and bulk phase doping, resulting in a more uniform lithium-ion crystal structure, shorter transport paths, faster migration rates, and improved conductivity [5]. - The 1C charge and discharge capacities exceed 160 mAh/g and 145 mAh/g respectively, marking a 7.6% improvement over previous products, making it particularly suitable for high-power output applications in heavy-duty commercial vehicles [5]. Group 3: Cost Efficiency - T2 4 6 not only balances low-temperature and high-rate performance but also offers potential cost advantages by optimizing production processes and raw material systems, significantly reducing manufacturing costs [6]. - This cost efficiency provides a more cost-effective option for low-temperature application scenarios, presenting a pathway for the industry to balance performance and economic viability [6]. Group 4: Future Outlook - The development of T2 4 6 is viewed as a small step in Liyuan Technology's ongoing journey in the research and development of new energy cathode materials, emphasizing that advancements in material science are the result of numerous incremental optimizations [7]. - The company aims to maintain a humble and pragmatic approach, collaborating with partners to contribute to the development of the new energy sector, focusing on high energy density and cost reduction [7].