摘要
飞轮电池具有储能容量大、工作效率高、无环境污染、无噪声、环境适应性能好、维护简单及可连续工作等优点,为解决目前日益关注的新能源汽车动力电池问题提供新途径。该文详细阐述电动汽车用飞轮电池的三大关键技术(包括磁悬浮轴承技术、飞轮电池电机、飞轮转子稳定控制技术)的研究现状。针对车载飞轮电池系统存在的技术瓶颈进行分析,针对电动汽车用飞轮电池系统散热差、待机损耗大、陀螺效应、车载工况导致飞轮转子不稳定及车载条件下飞轮电池体积和质量受限等技术难题,指出相应的解决措施,为电动汽车用飞轮电池系统的关键技术及亟需解决的技术瓶颈指明未来发展方向。
The flywheel battery system has distinct advantages such as high storage capacity, high efficiency, non-pollution, noise-free, environmental adaptability, easy maintenance, continuous working and so on, which provides a new way to solve the increasingly concerned dynamic battery problems for electric vehicles. Its three key technologies including the magnetic bearing technology, the flywheel battery motor and the stability control technology were expounded. Then the technical bottlenecks of flywheel battery systems for electric vehicles were analyzed. To resolve the technologic problems of poor heat dissipation, large standby losses and the gyroscopic effect in flywheel battery systems, the instability of flywheel rotors under the working condition, the volume and mass of the flywheel battery are limited for electric vehicles, some advices on how to solve its disadvantages were put forward. The contents stated in the paper gave the direction to the future of key technologies and urgent technical bottleneck problems.
引文
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