循环充放电下锂电池组相变材料热管理研究-科学发展研究-CSCIED科技核心评价数据库-手机版

循环充放电下锂电池组相变材料热管理研究

Study on thermal management of battery packs using phase change materials under cyclic charge–discharge conditions

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DOI	10.12208/j.sdr.20250149
刊名	科学发展研究 Scientific Development Research
年，卷(期)	2025, 5(4)
作者	何润楠,易升林,周于帅,朱承志*,
作者单位	重庆科技大学安全科学与工程学院重庆
摘要	本文通过CC-CV充电曲线与电池发热UDF算法建立4S4P电池模组（14.4 V/19.6 Ah）的数值模型，系统研究了不同横向间距下锂电池组循环充放电下相变材料（PCM）的相变演化规律与热响应特性。研究结果表明，增大间距可显著降低峰值温度，并推迟PCM液化起始时间。同时，二次放电过程中电池温升速率随间距减小而显著上升，最大增幅达34 %，较大间距可有效抑制第二轮循环的峰值温度，并缩短超温运行时间。
Abstract	This study numerically investigates the phase change evolution and thermal response characteristics of phase change materials (PCM) in a lithium-ion battery pack under cyclic charge and discharge conditions, specifically focusing on a 4S4P battery module (14.4 V/19.6 Ah) with varying lateral spacings. This was achieved by establishing a numerical model utilizing CC-CV charging curves and a battery thermal UDF algorithm. The research findings indicate that increasing the spacing significantly reduces the peak temperature and postpones the initiation of PCM liquefaction. Concurrently, the battery temperature rise rate during the second discharge process markedly increases with decreasing spacing, with a maximum increment of 34%. Larger spacings effectively suppress the peak temperature in the second cycle and shorten the duration of operation above optimal temperatures.
关键词	锂电池；充放电研究；相变材料；热管理
KeyWord	Lithium-ion battery; Charge–discharge; PCM; Thermal management
基金项目
页码	60-66

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引用本文

何润楠,易升林,周于帅,朱承志*. 循环充放电下锂电池组相变材料热管理研究 [J]. 科学发展研究. 2025; 5; (4). 60 - 66.

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