Heat Transfer Phenomena in Lithium/Polymer‐Electrolyte Batteries for Electric Vehicle Application
Heat Transfer Phenomena in Lithium/Polymer‐Electrolyte Batteries for Electric Vehicle Application
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DOI：
10.1149/1.2220724
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发表时间：
1993-07
影响因子：
3.9
通讯作者：
Yufei Chen;J. Evans
中科院分区：
文献类型：
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作者：
Yufei Chen;J. Evans
对用于电动汽车的锂/聚合物电解质电池中的热生成和传递进行了数学建模。结果表明，热管理可能不是一个严重的问题，电池在低放电率。然而，在高放电速率下，如果电池堆的厚度超过特定值，则电池的温度可能显著升高。此外，由于聚合物的低导热性，冷却条件的改善不是改善大堆叠系统的热移除的有效手段。对于所需的操作温度范围和给定的放电速率，模型预测可用于设计适当的电池结构并选择合适的冷却方案。
Mathematical modeling of heat generation and transport in lithium/polymer-electrolyte batteries for electric vehicle applications has been conducted. The results demonstrate that thermal management may not be a serious problem for batteries under low discharge rates. However, under high discharge rates, the temperature of a battery may increase remarkably if the thickness of a cell stack exceeds a certain value. Also, due to the low thermal conductivity of the polymer, the improvement of cooling conditions is not an effective means of improving heat removal for large-stack systems. For a required operational temperature range and a given discharge rate, model predictions can be used to design appropriate battery structures and to choose a suitable cooling scheme.