Progress on understanding heat generation of electrical double layers

IF 7.9 2区 化学 Q1 CHEMISTRY, PHYSICAL Current Opinion in Electrochemistry Pub Date : 2024-04-21 DOI:10.1016/j.coelec.2024.101503
Liang Zeng , Xi Tan , Nan Huang , Guang Feng
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Abstract

Heat is unavoidably generated during the dynamic formation and relaxation processes of the electrical double layer (EDL), affecting the performance, durability, and safety of electrochemical systems. Achieving a nuanced understanding of this heat generation is crucial for effectively addressing thermal challenges at their source. This review delivers a comprehensive overview of recent advancements in comprehending the heat generation associated with EDL dynamics. Investigations using calorimetry have observed both reversible and irreversible heat in various electrode–electrolyte systems. Insights from the theories of thermodynamics and kinetics have enhanced our understanding of these processes. Moreover, recent advancements in molecular dynamics simulations have significantly enhanced this understanding, providing a more accurate microstructural viewpoint. Finally, the review identifies existing gaps in our knowledge of EDL-related heat generation and proposes areas for future research.

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了解双电层发热的进展
电双层 (EDL) 在动态形成和弛豫过程中不可避免地会产生热量,从而影响电化学系统的性能、耐用性和安全性。要从源头上有效解决热挑战,就必须对这种发热现象有细致入微的了解。本综述全面概述了在理解与 EDL 动态相关的发热方面的最新进展。使用量热法进行的研究观察到了各种电极-电解质系统中的可逆和不可逆热量。热力学和动力学理论的见解加深了我们对这些过程的理解。此外,分子动力学模拟的最新进展也极大地促进了这种理解,提供了更准确的微观结构视角。最后,综述指出了我们在与电解质溶液相关的发热知识方面的现有差距,并提出了未来的研究领域。
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来源期刊
Current Opinion in Electrochemistry
Current Opinion in Electrochemistry Chemistry-Analytical Chemistry
CiteScore
14.00
自引率
5.90%
发文量
272
审稿时长
73 days
期刊介绍: The development of the Current Opinion journals stemmed from the acknowledgment of the growing challenge for specialists to stay abreast of the expanding volume of information within their field. In Current Opinion in Electrochemistry, they help the reader by providing in a systematic manner: 1.The views of experts on current advances in electrochemistry in a clear and readable form. 2.Evaluations of the most interesting papers, annotated by experts, from the great wealth of original publications. In the realm of electrochemistry, the subject is divided into 12 themed sections, with each section undergoing an annual review cycle: • Bioelectrochemistry • Electrocatalysis • Electrochemical Materials and Engineering • Energy Storage: Batteries and Supercapacitors • Energy Transformation • Environmental Electrochemistry • Fundamental & Theoretical Electrochemistry • Innovative Methods in Electrochemistry • Organic & Molecular Electrochemistry • Physical & Nano-Electrochemistry • Sensors & Bio-sensors •
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