Thermo-responsive polymers for thermal regulation in electrochemical energy devices,Journal of Polymer Science

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Thermo-responsive polymers for thermal regulation in electrochemical energy devices
Journal of Polymer Science ( IF 3.9 ) Pub Date : 2021-08-28 , DOI: 10.1002/pol.20210433
Mingqian Li _{1,

2} , Zheng Chen _{1,

2,

3,

4}

Affiliation

Thermo-responsive polymers have been widely explored because of their diverse structures and functions in response to temperature stimuli. Great attention has been attracted to exploring and designing such polymers composites, which offer tremendous opportunities to build up a systematic understanding of their structure–function relationships and pave the ways for their extensive applications in electronics, soft robotics, and electrochemical energy storage devices. Here, we review the most recent research of thermal regulation in electrochemical energy storage devices (e.g., batteries, supercapacitors) via thermo-responsive polymers. We summarize how battery components (i.e., electrolytes, separators, electrodes, or current collectors) can be coupled with thermo-responsive polymers based on different operation mechanisms, such as volume expansion, polymerization, phase reversion, and de-doping effects, to effectively prevent catastrophic thermal runaway. Different types of thermo-responsive polymers are evaluated to compare their key features and/or limitations. This review is concluded with perspectives of future design strategies towards more effective thermo-responsive polymers for battery thermal regulation.

中文翻译：

用于电化学能源设备热调节的热响应聚合物

热响应聚合物由于其响应温度刺激而具有多种结构和功能，因此得到了广泛的研究。探索和设计此类聚合物复合材料引起了极大的关注，这为系统地了解其结构 - 功能关系提供了巨大的机会，并为其在电子、软机器人和电化学储能设备中的广泛应用铺平了道路。在这里，我们回顾了通过热响应聚合物在电化学储能设备（例如，电池、超级电容器）中进行热调节的最新研究。我们总结了电池组件（即电解质、隔膜、电极或集电器）如何与基于不同运行机制的热响应聚合物耦合，例如体积膨胀、聚合、反相和去掺杂效应，有效防止灾难性的热失控。评估了不同类型的热敏聚合物，以比较它们的主要特征和/或局限性。这篇综述总结了未来设计策略的观点，即更有效的热响应聚合物用于电池热调节。

更新日期：2021-10-15

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