Measurement of the Temperature Influence on the Current Distribution in Lithium-Ion Batteries,Energy Technology

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Measurement of the Temperature Influence on the Current Distribution in Lithium-Ion Batteries
Energy Technology ( IF 3.6 ) Pub Date : 2020-12-07 , DOI: 10.1002/ente.202000862
Sabine Paarmann ₁ , Lisa Cloos ₁ , Jakob Technau ₁ , Thomas Wetzel ₁

Affiliation

Herein, a comprehensive experimental studies on the interdependence of temperature and current distribution in lithium-ion batteries is presented. Initially, a method for measuring the current distribution on a single cell is presented and verified by comparison with measurements on a parallel circuit. The presented method is straightforward and robust. It provides accurate quantitative and reproducible results. They are consistent with literature and show a higher current with increasing temperature. This temperature dependency is more pronounced at lower temperatures. Furthermore, it offers the opportunity to determine the influence of the temperature on the current distribution more precisely. Finally, this publication correlates the normalized current with temperature quantitatively using an Arrhenius-like approach according to

I \sim \exp (- \frac{1}{T})

.

中文翻译：

测量温度对锂离子电池中电流分布的影响

在此，对锂离子电池中温度和电流分布的相互依赖性进行了全面的实验研究。首先，介绍了一种测量单个电池上电流分布的方法，并通过与并联电路上的测量值进行比较来验证。所提出的方法是直接和稳健的。它提供准确的定量和可重复的结果。它们与文献一致，并且随着温度的升高显示出更高的电流。这种温度依赖性在较低温度下更为明显。此外，它提供了更精确地确定温度对电流分布的影响的机会。最后，该出版物使用类似 Arrhenius 的方法根据以下公式定量地将归一化电流与温度相关联

一世 ～ 经验值 (- \frac{1}{吨})

更新日期：2020-12-07

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