材料科学
聚对苯二甲酸乙二醇酯
超级电容器
化学工程
聚乙烯
比表面积
金属有机骨架
介孔材料
锆
扫描电子显微镜
电容
傅里叶变换红外光谱
电极
纳米技术
复合材料
冶金
有机化学
化学
物理化学
吸附
工程类
催化作用
作者
Abdullah M. Al‐Enizi,Ayman Nafady,Nouf Alanazi,Meera Moydeen Abdulhameed,Shoyebmohamad F. Shaikh
出处
期刊:Chemosphere
[Elsevier]
日期:2024-02-01
卷期号:350: 141080-141080
标识
DOI:10.1016/j.chemosphere.2023.141080
摘要
The chemical conversion of plastic waste into metal-organic framework (MOF) materials has emerged as a significant research field in addressing issues associated to the environment and the economy. The significant advantages of MOFs as electrode material for energy/supercapacitors arises from their extensive surface area and notable porosity. The present study involved the synthesis of Zirconium-Metal Organic Frameworks (Zr-MOF) by the solvothermal method, utilizing plastic waste in the form of Polyethylene terephthalate (PET) bottles. The morphological and structural characteristics of the Zr-MOF were inspected through several analytical techniques, including scanning electron microscopy, transmission electron microscopy, X-ray diffraction, and Fourier-transform infrared spectroscopy analysis. The as prepared Zr-MOF demonstrated very high specific surface area of 927.567 m2 g-1 with mesoporous nature of the materials estimate by BJH method. The electrochemical characteristics of the Zr-MOF in 3-electrode system exhibited a notable specific capacitance of 822 F g-1 when subjected to a low scan rate of 2 mV S-1, while the specific capacitance estimated through galvanostatic charge-discharge exhibited an enhanced value of 890 F g-1 at a current density of 0.5 A g-1. Additionally, the working electrode composed of Zr-MOF demonstrated noteworthy capacitance retention of 92% after 5000 charge discharge cycles. This research presents novel opportunities for the utilization of waste PET bottles in fabrication of highly functional Zr-MOF, aiming to advance the development of next-generation supercapacitors and environmental remediation.
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