充电状态对电池模块失效传播特性影响的实验研究

Kuijie Li;Yalun Li;Xinyu Rui;Yuancheng Cao;Liyun Fan;Xuning Feng
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引用次数: 1

摘要

为了研究不同充电状态(SOC)对基于锂离子电池的储能模块内热失控(TR)传播行为的影响,开发了一个实验装置,在SOC为97%、85%和50%的情况下对电池模块进行故障传播测试。结果表明,电池SOC的增加可以降低TR触发温度,使电池更早地触发TR,并减少两个相邻电池之间的平均故障传播时间。此外,故障传播测试表明,在较高的SOC下,TR反应变得更加剧烈,最高反应温度也高得多,对电池模块的损坏也很严重。与SOC为97%的电池模块相比,SOC为50%的电池模块的TR触发时间推迟了约57.8%。同时,平均故障传播时间延长了约36.0%。因此,本研究可为储能电池模块的热安全设计提供参考。
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Experimental Study on the Effect of State of Charge on Failure Propagation Characteristics within Battery Modules
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来源期刊
Chinese Journal of Electrical Engineering
Chinese Journal of Electrical Engineering Energy-Energy Engineering and Power Technology
CiteScore
7.80
自引率
0.00%
发文量
621
审稿时长
12 weeks
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