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国家卓越工程师蔡蔚:保证稀土价格稳定利国利产业
Guan Cha Zhe Wang· 2025-07-17 09:57
Core Viewpoint - The development of electric drive technology is crucial for the strength of the new energy vehicle industry, with a focus on reducing the reliance on rare earth materials and ensuring price stability for these materials [1][5]. Group 1: Electric Drive Technology Trends - Most electric vehicles currently use centralized electric drive systems, but distributed electric drive systems are expected to become the future trend, although mass production is still limited [3]. - The integration of electric drive components is a long-term trend, evolving from separate components to integrated systems, with concepts of 12-in-1 and even 14-in-1 systems being proposed [3][4]. - The improvement of power density in electric motors can be achieved through increasing speed, voltage, and reducing standards, with significant efforts already made in China [4]. Group 2: Challenges and Opportunities - The reliance on rare earth materials for permanent magnet motors poses challenges due to price volatility, necessitating efforts to reduce the use of heavy rare earths [4][5]. - The automotive electrification and energy cleanliness are long-term national strategies, with strong key components being essential for the new energy vehicle industry [5]. - The expansion of the new energy vehicle industry is expected to drive advancements in other sectors, such as electric ships, multi-electric aircraft, flying cars, and electric agricultural machinery [5].