Thermo-electrochemical cells enable efficient and flexible power supplies: From materials to applications

IF 18.9 1区 材料科学 Q1 CHEMISTRY, PHYSICAL Energy Storage Materials Pub Date : 2024-11-10 DOI:10.1016/j.ensm.2024.103902
Zhi Li, Yanyu Shen, Chengdong Fang, Yuqi Huang, Xiaoli Yu, Long Jiang
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Abstract

Low-grade waste heat recovery is a promising pathway to achieving the goal of carbon neutrality. In recent years, thermo-electrochemical cells (also known as thermocells or thermogalvanic cells) driven by low-grade heat have been emerging as a cutting-edge technology due to their ultrahigh Seebeck coefficient, high flexibility and low cost, and they possess large application prospects in wearable electronic devices, self-powered Internet-of-Thing sensors and industrial waste heat recovery. In the past years, a large deal of work has been conducted to improve the power density and conversion efficiency from the aspects of electrode materials, electrolyte materials, etc., and giant advances have been achieved. However, the commercial applications of thermocells are still hindered by their low power density and conversion efficiency. Given these issues, this work aims to give an overview of the fundamentals, materials, operating parameters, research methods, current applications and specify the corresponding underlying challenges, and conclude the prospects to provide valuable guidelines for further design and optimization of thermocells.
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热电化学电池实现了高效灵活的供电:从材料到应用
低品位废热回收是实现碳中和目标的一条大有可为的途径。近年来,低品位热驱动的热电化学电池(又称热电池或热电偶电池)以其超高的塞贝克系数、高灵活性和低成本等优势成为一种新兴的前沿技术,在可穿戴电子设备、自供电物联网传感器和工业余热回收等领域具有广阔的应用前景。在过去的几年中,人们从电极材料、电解质材料等方面开展了大量工作来提高功率密度和转换效率,并取得了巨大的进展。然而,热电偶的低功率密度和低转换效率仍然阻碍着其商业应用。鉴于这些问题,本研究旨在概述热电偶的基本原理、材料、工作参数、研究方法、当前应用,并明确指出相应的潜在挑战,总结前景,为热电偶的进一步设计和优化提供有价值的指导。
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来源期刊
Energy Storage Materials
Energy Storage Materials Materials Science-General Materials Science
CiteScore
33.00
自引率
5.90%
发文量
652
审稿时长
27 days
期刊介绍: Energy Storage Materials is a global interdisciplinary journal dedicated to sharing scientific and technological advancements in materials and devices for advanced energy storage and related energy conversion, such as in metal-O2 batteries. The journal features comprehensive research articles, including full papers and short communications, as well as authoritative feature articles and reviews by leading experts in the field. Energy Storage Materials covers a wide range of topics, including the synthesis, fabrication, structure, properties, performance, and technological applications of energy storage materials. Additionally, the journal explores strategies, policies, and developments in the field of energy storage materials and devices for sustainable energy. Published papers are selected based on their scientific and technological significance, their ability to provide valuable new knowledge, and their relevance to the international research community.
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