Effects of Conductive Electrode for Optimized Electrochemical Performances

Kue‐Ho Kim, Kiwhan Sung, H. Ahn
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Abstract

Recently, global challenges related to increasing energy consumption have attracted many researches regarding the energy conservation and efficiency increasement. This has accelerated a performance enhancement for various electronic devices used in daily life that based on electrochemical reaction (electrochemical capacitors, Li-ion batteries, electrochromic devices etc.). The electrochemical reaction refers to the induction of an oxidation-reduction reaction in a material which accompanied with electrons and ion movement. Their performances are determined by the electrochemical reaction rate and quantity which occurs at the interface of electrode and electrolyte. The typical electrochemical devices are composed of three parts including active material layer, electrolyte layer and conductive electrode layer. Among them, conductive electrode layer transfers electrons through an external circuit and the electrical conductivity of this layer can significantly affect to the electrochemical reaction rate. In this study, we demonstrated the effects of conductive electrode layer on electrochemical device by varying the electrical conductivity of them and investigated their performance enhancement mechanisms systematically.
导电电极对优化电化学性能的影响
近年来,随着全球能源消耗的增加,节能和提高效率的研究越来越多。这加速了日常生活中基于电化学反应的各种电子设备(电化学电容器、锂离子电池、电致变色设备等)的性能提升。电化学反应是指在材料中诱导氧化还原反应,并伴有电子和离子的运动。它们的性能取决于在电极和电解质界面发生的电化学反应速率和数量。典型的电化学器件由活性材料层、电解质层和导电电极层三部分组成。其中导电电极层通过外电路传递电子,其电导率对电化学反应速率有显著影响。在本研究中,我们通过改变导电电极层的电导率来证明导电电极层对电化学器件的影响,并系统地研究了其性能增强机制。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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