基于芦荟的锌离子电池绿色可持续电解质

IF 6.5 3区材料科学 Q2 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY

Advanced Sustainable Systems Pub Date : 2024-08-16 DOI:10.1002/adsu.202400396

Recep Yuksel

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引用次数: 0

摘要

锌离子水电池（ZIBs）为下一代储能系统带来了巨大的前景。然而，锌（Zn）枝晶形成和锌电镀剥离过程中的寄生副反应等挑战阻碍了其发展。在此，我们配制了一种基于芦荟（AV）的绿色可持续电解质，以提高 ZIB 的电化学稳定性，减少游离水分子，降低氢进化反应（HER）和锌枝晶的形成。研究结果证实，AV 基电解质增强了 ZIBs 的电化学稳定性并提高了其性能。配制的 AV 基电解质在对称 Zn//Zn 电池中的循环寿命达到了 4500 小时，明显长于 ZIB 的水基电解质。AV 基电解质中的醌基为全设备中的 VO2（D）和活性炭阴极提供了更高的比容量。基于 AV 的绿色电解质可以为下一代应用实现可持续和安全的储能系统。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Aloe Vera‐Based Green and Sustainable Electrolyte for Zinc Ion Batteries

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Aloe Vera‐Based Green and Sustainable Electrolyte for Zinc Ion Batteries

Aqueous zinc‐ion batteries (ZIBs) present significant promises for next‐generation energy storage systems. However, challenges such as the zinc (Zn) dendrite formation and parasitic side reactions during Zn plating‐stripping hinder their development. Herein, an aloe vera (AV)‐based green and sustainable electrolyte is formulated to increase the electrochemical stability of the ZIBs, reducing the free water molecules, and decreasing the hydrogen evolution reaction (HER) and Zn dendrite formation. The obtained results confirm that the AV‐based electrolyte enhances the electrochemical stability and boosts the performance of the ZIBs. The formulated AV‐based electrolyte in symmetrical Zn//Zn cells demonstrates an outstanding cycle life of 4500 h, significantly longer than the aqueous electrolytes for ZIBs. The quinone moiety of the AV‐based electrolytes provides higher specific capacities for VO2(D) and activated carbon cathodes in full devices. AV‐based green electrolytes allow the realization of sustainable and safe energy storage systems for next‐generation applications.

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来源期刊

Advanced Sustainable Systems Environmental Science-General Environmental Science

CiteScore

10.80

自引率

4.20%

发文量

186

期刊介绍： Advanced Sustainable Systems, a part of the esteemed Advanced portfolio, serves as an interdisciplinary sustainability science journal. It focuses on impactful research in the advancement of sustainable, efficient, and less wasteful systems and technologies. Aligned with the UN's Sustainable Development Goals, the journal bridges knowledge gaps between fundamental research, implementation, and policy-making. Covering diverse topics such as climate change, food sustainability, environmental science, renewable energy, water, urban development, and socio-economic challenges, it contributes to the understanding and promotion of sustainable systems.