A critical review of recent advancements in zinc based metal organic framework nanocomposites and their derivatives for supercapacitor applications with future perspectives and challenges

IF 8.6 2区 工程技术 Q1 ENERGY & FUELS
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Abstract

Among various energy storage materials, Zinc-based metal-organic frameworks (Zn-MOFs used as precursors, templates, and shape controllers) act as potential candidates for supercapacitor (SC) applications due to their remarkable properties, such as facile preparation methods, high specific surface area (SSA), large porosity, outstanding power (Pden) & energy density (Eden), astonishing crystallinity, adjustable sizes, exceptional chemical & thermal stability, elongated life-cycle, framework diversity, and tunable structures. The present review focuses on the most recent progress on pristine Zn-MOFs, nanocomposites (with graphene (Gr), carbon nanotubes (CNTs), and polyaniline (PANI)), and their derivatives (metal oxides (MOs) & hydroxides (MHOs), porous carbon (PC) & activated carbon (AC), and metal sulfides (MSs)) as electrode materials to present the most up-to-date overview in this specific field. We first discuss the fundamental charging mechanisms (electric double-layer capacitance and pseudocapacitance) and the electrochemical techniques (cyclic voltammetry, galvanostatic charge-discharge, and electrochemical impedance spectroscopy) of SCs. We then analyzed different methods with advantages and disadvantages of Zn-based MOF synthesis, such as solvothermal, hydrothermal, sonochemical, microwave heat-assisted, simple stirring, slow evaporation, mechanochemical, and electrochemical. Furthermore, structural, morphological, and electrochemical assessment techniques of reported Zn-based MOFs were examined in detail in three- and two- electrode configurations (asymmetric/symmetric devices with power and energy density). Finally, the ongoing issues and future developments in this field for architecturing supercapacitive devices are also discussed.

Abstract Image

锌基金属有机框架纳米复合材料及其衍生物在超级电容器应用方面的最新进展及未来前景和挑战的重要综述
在各种储能材料中,锌基金属有机框架(Zn-MOFs,用作前驱体、模板和形状控制器)因其卓越的性能而成为超级电容器(SC)应用的潜在候选材料,这些性能包括制备方法简便、比表面积(SSA)高、孔隙率大、功率(Pden)& 能量密度(Eden)高、结晶度惊人、尺寸可调、化学& 热稳定性优异、生命周期长、框架多样化以及结构可调。本综述侧重于原始 Zn-MOFs、纳米复合材料(与石墨烯 (Gr)、碳纳米管 (CNT) 和聚苯胺 (PANI))及其衍生物(金属氧化物 (MOs) 和氢氧化物 (MHOs)、多孔碳 (PC) 和活性碳 (AC) 以及金属硫化物 (MSs))作为电极材料方面的最新进展,以介绍这一特定领域的最新概况。我们首先讨论了 SC 的基本充电机制(双电层电容和假电容)和电化学技术(循环伏安法、静电充放电法和电化学阻抗谱法)。然后,我们分析了不同方法合成 Zn 基 MOF 的优缺点,如溶热法、水热法、声化学法、微波热辅助法、简单搅拌法、缓慢蒸发法、机械化学法和电化学法。此外,还在三电极和两电极配置(功率和能量密度不对称/对称装置)中详细研究了已报道的锌基 MOFs 的结构、形态和电化学评估技术。最后,还讨论了该领域在构建超级电容器件方面的现有问题和未来发展。
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来源期刊
Sustainable Materials and Technologies
Sustainable Materials and Technologies Energy-Renewable Energy, Sustainability and the Environment
CiteScore
13.40
自引率
4.20%
发文量
158
审稿时长
45 days
期刊介绍: Sustainable Materials and Technologies (SM&T), an international, cross-disciplinary, fully open access journal published by Elsevier, focuses on original full-length research articles and reviews. It covers applied or fundamental science of nano-, micro-, meso-, and macro-scale aspects of materials and technologies for sustainable development. SM&T gives special attention to contributions that bridge the knowledge gap between materials and system designs.
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