Structural design of a composite board/heat pipe based on the coupled electro-chemical-thermal model in battery thermal management system

被引：46

作者：

Jin, Xianrong ^{[1
]}

Duan, Xiting ^{[1
]}

Jiang, Wenjuan ^{[1
]}

Wang, Yan ^{[2
]}

Zou, Youlan ^{[1
]}

Lei, Weixin ^{[1
]}

Sun, Lizhong ^{[1
]}

Ma, Zengsheng ^{[1
]}

机构：

[1] Xiangtan Univ, Sch Mat Sci & Engn, Natl Prov Lab Special Funct Thin Film Mat, Xiangtan 411105, Hunan, Peoples R China

[2] Hunan Univ Sci & Technol, Sch Informat & Elect Engn, Xiangtan 411201, Hunan, Peoples R China

来源：

ENERGY | 2021年 / 216卷

基金：

中国国家自然科学基金;

关键词：

Li-ion battery; Thermal management system; Electrochemical-thermal coupled model; Composite board; Heat pipes; LITHIUM-ION BATTERY; PHASE-CHANGE MATERIALS; PERFORMANCE; PACK; CELL;

D O I：

10.1016/j.energy.2020.119234

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Based on the electrochemical-thermal coupled model, we build a coupled three-dimensional battery thermal management system (BTMS) which combines the composite board and the heat pipes. This model is applied to assess the heat performances of different structural BTMS with boards and pipes. The results show that the system with the heat pipes and composite board is more effective in improving heat performances than that with a single composite board. Furthermore, the BTMS with a combination of vertical and horizontal pipes achieves a higher comprehensive cooling efficiency than that with the single pipes. The optimal arrays exhibit a significant improvement of the comprehensive performances of the traditional composite board thermal management system, where T-max and Delta T reach 296.85 K and 3.29 K after a full charging/discharging cycle under a 3C rate, respectively. Besides, the contact area between the battery and pack shell plays a vital role in the cooling performances. At the same time, the improved BTMS based on horizontal pipes achieves the highest cooling efficiency, with T-max = 294.37 K and Delta T = 1.08 K. (C) 2020 Elsevier Ltd. All rights reserved.

引用

页数：12

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