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Polymer-Based Low-Temperature Thermoelectric Composites

机译：基于聚合物的低温热电复合材料

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摘要

Thermoelectric materials allow direct conversion of waste heat energy into electrical energy, thus contributing to solving energy related issues. Polymer-based materials have been considered for use in heat conversion in the temperature range from 20 to 200 degrees C, within which conventional materials are not efficient enough, whereas polymers due to their good electronic transport properties, easy processability, non-toxicity, flexibility, abundance, and simplicity of adjustment, are considered as promising materials. Due to the large variety of available polymers and the almost unlimited combinations of possible modifications, the field of polymer-based thermoelectrics is very rapidly developing, already reaching efficiency values close to those of inorganic systems. In the current progress report, the most recent advances in the field are discussed. New approaches to improve thermoelectric performance are described, with a focus on revising the mechanisms to improve the thermoelectric properties of the three most investigated polymer matrixes: poly(3,4-ethylenedioxythiophene) polystyrene sulfonat, poly(3-hexylthiophene-2,5-diyl), and polyaniline, alongside the three main paths of optimizing properties: incorporation of carbon-based material and inorganic substances, and treatment with chemical agents. The most promising research in the field is highlighted and thoroughly analyzed. The path toward a lab-to-fab transition for thermoelectric polymers is suggested in perspective.
机译：热电材料允许将废热能量直接转化为电能，从而有助于解决能量相关问题。已经考虑了聚合物基材料在20至200℃的温度范围内用于热转换，在此传统材料不足，而聚合物由于其良好的电子传输性能，易于加工性，无毒，灵活性，调整的丰富和简单性被认为是有前途的材料。由于各种各样的可用聚合物和可能的修饰的几乎无限制的组合，基于聚合物的热电学领域非常迅速发展，已经达到了无机系统接近的效率值。在目前的进度报告中，讨论了该领域最近的进展。描述了提高热电性能的新方法，重点是修改改善三种最富查聚合物基质的热电性能的机制：聚（3,4-亚乙基二氧噻吩）聚苯乙烯磺酸，聚（3-己烯-2,5-二基）和聚苯胺，以及优化性能的三种主要路径：掺入碳基材料和无机物质，并用化学试剂治疗。该领域最有前途的研究是突出的并彻底分析。以透视提出了热电聚合物的实验室到Fab转变的路径。

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