Structural engineering on indole derivative for rechargeable organic lithium-ion battery

IF 2.6 4区化学 Q3 ELECTROCHEMISTRY Journal of Solid State Electrochemistry Pub Date : 2024-07-02 DOI:10.1007/s10008-024-05970-y

Lohit Naik, Vipin Kumar P., V. R. Shetty, S. G. Bubbly, S. B. Gudennavar

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Abstract

In the present work, the indole derivative, namely, 3,3′,3″-methane-triyl-tris-1H-indol (tris-Ind), is synthesized and characterized as an organic electrode material in rechargeable lithium-ion batteries (RLIB). The structural characterization of the synthesized molecule is carried out using physicochemical techniques. The ball milling method is used for the lithiation process to form electroactive lithiated tris-Ind (Li-tris-Ind). The electrochemical activity of Li-tris-Ind is measured in aqueous and non-aqueous electrolytic media, and the results are compared. The aqueous cell system delivers an average cell potential of 0.76 V with a discharge capacity of 189 mAhg⁻¹, whereas the non-aqueous cell system delivers an average potential of 1 V with 506 mAhg⁻¹. The potentiostatic electrochemical impedance spectroscopic studies reveal the kinetics of finite diffusion. The organic electrode shows good cyclic stability and reproducibility in both systems, making it a significant practical material for RLIB applications.

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用于可充电有机锂离子电池的吲哚衍生物结构工程学

本研究合成了吲哚衍生物，即 3,3′,3″-甲烷-三基-三-1H-吲哚（tris-Ind），并将其表征为可充电锂离子电池（RLIB）中的有机电极材料。利用物理化学技术对合成分子进行了结构表征。球磨法用于形成电活性锂化三铟(Li-tris-Ind)。在水性和非水性电解介质中测量了三铟锂的电化学活性，并对结果进行了比较。水溶液电池系统的平均电池电位为 0.76 V，放电容量为 189 mAhg-1，而非水溶液电池系统的平均电位为 1 V，放电容量为 506 mAhg-1。恒电位电化学阻抗谱研究揭示了有限扩散动力学。有机电极在两种体系中都表现出良好的循环稳定性和可重复性，使其成为 RLIB 应用的重要实用材料。

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来源期刊

Journal of Solid State Electrochemistry 工程技术-电化学

CiteScore

4.80

自引率

4.00%

发文量

227

审稿时长

4.1 months

期刊介绍： The Journal of Solid State Electrochemistry is devoted to all aspects of solid-state chemistry and solid-state physics in electrochemistry. The Journal of Solid State Electrochemistry publishes papers on all aspects of electrochemistry of solid compounds, including experimental and theoretical, basic and applied work. It equally publishes papers on the thermodynamics and kinetics of electrochemical reactions if at least one actively participating phase is solid. Also of interest are articles on the transport of ions and electrons in solids whenever these processes are relevant to electrochemical reactions and on the use of solid-state electrochemical reactions in the analysis of solids and their surfaces. The journal covers solid-state electrochemistry and focusses on the following fields: mechanisms of solid-state electrochemical reactions, semiconductor electrochemistry, electrochemical batteries, accumulators and fuel cells, electrochemical mineral leaching, galvanic metal plating, electrochemical potential memory devices, solid-state electrochemical sensors, ion and electron transport in solid materials and polymers, electrocatalysis, photoelectrochemistry, corrosion of solid materials, solid-state electroanalysis, electrochemical machining of materials, electrochromism and electrochromic devices, new electrochemical solid-state synthesis. The Journal of Solid State Electrochemistry makes the professional in research and industry aware of this swift progress and its importance for future developments and success in the above-mentioned fields.