相变复合材料- 18650锂离子电池基电池组的在线温度估计

2016 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2016-03-20 DOI:10.1109/APEC.2016.7468311

M. Salameh, Ben Schweitzer, P. Sveum, S. Al-Hallaj, M. Krishnamurthy

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引用次数: 5

摘要

本文提出了一种利用相变复合材料(PCC™)进行热管理的锂离子电池组在线温度估计技术的设计。相变复合材料允许热量吸收和分配，使轻量化和紧凑的包装具有延长的循环寿命和安全性。建立了圆柱形18650锂离子电池的耦合电热模型，并以此计算了电池的发热量。等效电路包括三个RC对，它们的值是温度和电荷状态的函数。考虑到相变复合材料和电池，建立了电池组的分析热模型，该模型可以在线估计整个电池组的温度。

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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Online temperature estimation for phase change composite - 18650 lithium ion cells based battery pack

This paper proposes the design of an online temperature estimation technique for a Li-ion battery pack that utilizes phase change composite (PCC™) for thermal management. The phase change composite allows heat absorption and distribution, enabling lightweight and compact packs with extended cycle-life and safety. A coupled electro-thermal model has been developed for the cylindrical 18650 Li-ion cells, from which the cell heat generation is calculated. The electrical equivalent circuit comprises three RC pairs, where their values are functions of temperature and state of charge. An analytical thermal model is developed for the battery pack, considering the phase change composite and cells, which allows online temperature estimation all over the battery pack.

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2016 IEEE Applied Power Electronics Conference and Exposition (APEC)

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