4,4′-Biphenyldicarboxylic acid as an anode for sodium-ion batteries: Different electrochemical behaviors in ester and ether-based electrolytes

IF 4.5 3区化学 Q1 Chemical Engineering

Journal of Electroanalytical Chemistry Pub Date : 2023-10-11 DOI:10.1016/j.jelechem.2023.117852

Siyao Li , Huijia Wu , Chunjie Wu , Meng Jin , Huan Yi , Shi-Yu Lu , Yan Zhang

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引用次数: 0

Abstract

Organic electrode materials have been regarded as sustainable alternatives for sodium-ion batteries (SIBs) due to their high theoretical specific capacity, large reserves and wide sources from biomass. However, the variety of presently reported organic electrode materials is very limited and their essential electrochemical sodium storage behaviors also deserve further investigating. In this paper, we explore the electrochemical sodium storage behavior of a conjugated aromatic acid (4,4′-biphenyldicarboxylic acid, H₂bpdc) in esters and ethers-based electrolytes. The results illustrate that in esters-based electrolytes, H₂bpdc just shows limited capacity and poor electrochemical sodium storage kinetics. By contrast, in ethers-based electrolytes, H₂bpdc experiences a process similar to conversion type mechanism from pristine acid to sodium salt, displaying fast kinetics and delivers a high reversible capacity of 280 mA h g⁻¹. This research would provide basic and novel insights to the electrochemical sodium storage behaviors of promising organic electrode materials and accelerate the new materials exploration process for SIBs.

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4,4′-联苯二羧酸作为钠离子电池阳极：在酯基和醚基电解质中的不同电化学行为

有机电极材料由于其高理论比容量、大储量和广泛的生物质来源，被认为是钠离子电池的可持续替代品。然而，目前报道的有机电极材料的种类非常有限，其基本的电化学钠存储行为也值得进一步研究。在本文中，我们探索了共轭芳香酸（4,4′-联苯二羧酸，H2bpdc）在基于酯和醚的电解质中的电化学钠存储行为。结果表明，在酯类电解质中，H2bpdc的容量有限，电化学储钠动力学较差。相比之下，在基于醚的电解质中，H2bpdc经历了类似于从原始酸到钠盐的转化型机制的过程，表现出快速的动力学，并提供280 mA h g−1的高可逆容量。这项研究将为有前景的有机电极材料的电化学钠存储行为提供基础和新的见解，并加速SIBs的新材料探索过程。

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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来源期刊

Journal of Electroanalytical Chemistry Chemical Engineering-General Chemical Engineering

CiteScore

7.50

自引率

6.70%

发文量

912

审稿时长

>12 weeks

期刊介绍： The Journal of Electroanalytical Chemistry is the foremost international journal devoted to the interdisciplinary subject of electrochemistry in all its aspects, theoretical as well as applied. Electrochemistry is a wide ranging area that is in a state of continuous evolution. Rather than compiling a long list of topics covered by the Journal, the editors would like to draw particular attention to the key issues of novelty, topicality and quality. Papers should present new and interesting electrochemical science in a way that is accessible to the reader. The presentation and discussion should be at a level that is consistent with the international status of the Journal. Reports describing the application of well-established techniques to problems that are essentially technical will not be accepted. Similarly, papers that report observations but fail to provide adequate interpretation will be rejected by the Editors. Papers dealing with technical electrochemistry should be submitted to other specialist journals unless the authors can show that their work provides substantially new insights into electrochemical processes.