LMFP电池

Search documents
时代瑞象 总工程师 徐斌:磷酸锰铁锂产业化研究
起点锂电· 2025-07-11 11:53
Core Viewpoint - The article discusses the advancements and applications of lithium manganese iron phosphate (LMFP) batteries, highlighting their advantages, challenges, and the company's innovative solutions in the context of the electric two-wheeler industry [1][19]. Group 1: Company Overview - The company, Shidai Ruixiang, was established in October 2022 and is located in the Gansu Province high-tech industrial park, focusing on the production of manganese-based cathode materials with a planned capacity of 100,000 tons [6]. - The first phase of 20,000 tons of LMFP production was officially launched on April 18, 2025, with the production line fully operational and capacity enhancement underway [6]. Group 2: Advantages of LMFP - LMFP offers several advantages, including high energy density (697 Wh/kg), higher voltage platform (4.1V), superior low-temperature performance (77-80% retention at -20°C), and cost advantages compared to other materials [8][9]. - The cost of LMFP is approximately 43,000 yuan per ton, with direct material costs accounting for about 73.7% [9]. Group 3: Challenges of LMFP - Key challenges include manganese-iron uniformity issues, low conductivity, slow ion diffusion rates, and the Jahn-Teller effect, which can lead to structural distortion and lithium intercalation inconsistencies [10][11][12][13]. - The low packing density of LMFP particles affects the overall energy density performance [11]. Group 4: Modification Strategies - Conventional modification strategies for LMFP include nanonization to increase surface area, carbon coating to enhance conductivity, and ion doping to improve electrochemical performance [14][15][16][17][18]. Group 5: Application Scenarios - In 2022, Xinheng Power became the first company to industrialize LMFP batteries in the light vehicle sector, with major brands like Yadi and Aima adopting LMFP batteries in 70% of their products [19]. - By November 2023, CATL began mass production of LMFP M3P batteries for Tesla Model Y and other vehicles, marking the start of large-scale commercial use [21].