Investigating the influence of copper benzene-1,2-dicarboxylate (Cu-BDC) and benzene-1,3,5-tricarboxylate ligands (Cu-BTC) on the electrochemical capacity of hybrid supercapacitors

IF 2.4 4区物理与天体物理 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY Current Applied Physics Pub Date : 2024-05-09 DOI:10.1016/j.cap.2024.05.002

Waqas Shoukat , Muhammad Zahir Iqbal , Asma Khizar , Imran Murtaza , Shahid Alam , Rashid Ali , Saikh Mohammad Wabaidur , Mian Muhammad Faisal

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Abstract

The elevated energy demand and crises have rooted the urge to develop advanced electrode materials that can overcome the energy dilemma present all over the globe. Metal-organic frameworks (MOFs) have emerged as promising electrode materials in recent times due to their better electrochemical properties. Herein the metal ligand synergy produced in MOFs is observed for the same metal center (Cu) with different ligands i.e., benzene-1,3,5-tricarboxylate (1,3,5-BTC) and benzene-1,2-dicarboxylate (1,2-BDC). The hybrid device of the best performing MOF (Cu-1,3,5-BTC//AC) reveals the energy and power density of 88.32 Wh kg⁻¹ and 680 W kg⁻¹, respectively. Even at the highest current density of 15 A/g, the device retained the E_s of 21.25 Wh kg⁻¹ and P_s of 12,750 W kg⁻¹. Furthermore, the semi-empirical approach was utilized for the evaluation of capacitive and diffusive contributions.

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研究苯-1,3,5-三羧酸铜（Cu-PDC）和苯-1,2-二羧酸铜（Cu-BTC）配体对混合超级电容器电化学容量的影响

能源需求的增加和能源危机的加剧，促使人们迫切希望开发出先进的电极材料，以克服全球各地的能源困境。近来，金属有机框架（MOFs）因其较好的电化学性能而成为前景广阔的电极材料。本文观察了 MOFs 中金属配体与不同配体（即苯-1,3,5-三羧酸酯（1,3,5-BTC）和苯-1,2-二羧酸酯（1,2-BDC））的协同作用。性能最好的 MOF（Cu-1,3,5-BTC//AC）混合装置的能量和功率密度分别为 88.32 Wh kg-1 和 680 W kg-1。即使在 15 A/g 的最高电流密度下，该装置仍能保持 21.25 Wh kg-1 的能量密度和 12,750 W kg-1 的功率密度。此外，还利用半经验方法评估了电容和扩散贡献。

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来源期刊

Current Applied Physics 物理-材料科学：综合

CiteScore

4.80

自引率

0.00%

发文量

213

审稿时长

33 days

期刊介绍： Current Applied Physics (Curr. Appl. Phys.) is a monthly published international journal covering all the fields of applied science investigating the physics of the advanced materials for future applications. Other areas covered: Experimental and theoretical aspects of advanced materials and devices dealing with synthesis or structural chemistry, physical and electronic properties, photonics, engineering applications, and uniquely pertinent measurement or analytical techniques. Current Applied Physics, published since 2001, covers physics, chemistry and materials science, including bio-materials, with their engineering aspects. It is a truly interdisciplinary journal opening a forum for scientists of all related fields, a unique point of the journal discriminating it from other worldwide and/or Pacific Rim applied physics journals. Regular research papers, letters and review articles with contents meeting the scope of the journal will be considered for publication after peer review. The Journal is owned by the Korean Physical Society.