Research Progress of Nanofluid Heat Pipes in Automotive Lithium-ion Battery Heat Management Technology

Xinyu Wang, Ya'nan Zhao, Y. Jin
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Abstract

Power batteries are a crucial component of electric vehicles and other electric equipment. Their long-term high-rate discharge generates a lot of heat, which can lead to battery failure, shortened battery life, and even safety accidents if not managed properly. Due to its high thermal conductivity, the heat pipe can quickly conduct heat away from the battery and separate the heat source from the heat sink. In addition, due to its excellent isothermal performance, the heat pipe can also achieve the characteristics of low-temperature preheating and high-temperature cooling of the power battery by reducing the inhomogeneity of the battery temperature field to reduce the temperature difference. In this paper, we review the current state of the art in thermal management of automotive lithium-ion battery, and highlight the current state of thermal management of batteries based on the combination of nanofluids and heat pipes. Finally, the development of nanofluidic heat pipes in lithium-ion battery heat management systems is prospected.
纳米流体热管在汽车锂离子电池热管理技术中的研究进展
动力电池是电动汽车和其他电动设备的重要组成部分。它们的长期高倍率放电会产生大量的热量,如果管理不当,会导致电池失效,缩短电池寿命,甚至发生安全事故。由于热管的高导热性,它可以快速地将热量从电池中传导出去,并将热源与散热器分开。此外,由于其优异的等温性能,热管还可以通过减少电池温度场的不均匀性来减小温差,从而实现动力电池的低温预热和高温冷却的特性。本文综述了汽车锂离子电池热管理的研究现状,重点介绍了基于纳米流体和热管相结合的电池热管理的研究现状。最后,对纳米流体热管在锂离子电池热管理系统中的应用前景进行了展望。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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