用工程胺官能化金属有机框架制造具有超高性能的下一代不对称超级电容器复合材料：调节储能屏障

IF 3.7 2区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Langmuir Pub Date : 2024-09-25 DOI:10.1021/acs.langmuir.4c02522

Shabnam Khan, Aadil Rashid Lone, Mohammad Yasir Khan, Sabiar Rahaman, Kavita Pandey, Aasif Helal, Farasha Sama, M. Shahid

{"title":"用工程胺官能化金属有机框架制造具有超高性能的下一代不对称超级电容器复合材料：调节储能屏障","authors":"Shabnam Khan, Aadil Rashid Lone, Mohammad Yasir Khan, Sabiar Rahaman, Kavita Pandey, Aasif Helal, Farasha Sama, M. Shahid","doi":"10.1021/acs.langmuir.4c02522","DOIUrl":null,"url":null,"abstract":"The present work summarizes the fabrication of an amine-functionalized cadmium-based metal–organic framework (MOF), {[Cd(AT)(BP)]·4DMF}n or Cd_AT-BP, by adopting a simple solvothermal approach using 2-aminoterephthalic acid (AT) as the main linker, while 4,4′-bipyridyl (BP) as an auxiliary linker. The structure of Cd_AT-BP was validated by the single-crystal X-ray diffraction technique that revealed the formation of an overall three-dimensional network with BP acting as a bridge between the 2D sheets of the MOF. The robust framework of Cd_AT-BP decorated with a free amine functional group was utilized for energy storage application. The electrochemical measurements of Cd_AT-BP revealed a maximum areal capacitance of 9.8 mF/cm2 at a scan rate of 5 mV/s. Further, to enhance the practical utility of Cd_AT-BP in energy storage devices, two composites of Cd_AT-BP with reduced graphene oxide (rGO) and multiwalled carbon nanotubes (CNTs), viz., Cd_AT-BP/rGO and Cd_AT-BP/CNT, were prepared by adopting a facile ultrasonication approach. The synthesized Cd_AT-BP/rGO and Cd_AT-BP/CNT composites displayed an impressive areal capacitance of 117 and 37 mF/cm2 (58.5 and 17.5 F/g) at a scan rate of 5 mV/s, respectively, and a capacitance retention of up to 118 and 100% after 5000 cycles at a constant current density of 5 mA/cm2. The highest energy density of about 4.23 mW h/cm2 (2.12 W h/kg) at a current density of 1 mA/cm2 was shown by Cd_AT-BP/rGO among all the three materials attributable to the layered structure of rGO, providing a larger surface area accessible for ion adsorption. Enticed by the remarkable outcomes exhibited by Cd_AT-BP/rGO, we fabricated a two-electrode asymmetric supercapacitor (ASC) device. The developed ASC device revealed energy and power densities of 26.7 mW h/cm2 (13.4 W h/kg) and 3760 mW/cm2 (1880 W/kg), respectively, with a galvanostatic charge–discharge stability of up to 10,000 cycles. The findings identify Cd_AT-BP/rGO as a potential contender for future-generation supercapacitors.","PeriodicalId":50,"journal":{"name":"Langmuir","volume":null,"pages":null},"PeriodicalIF":3.7000,"publicationDate":"2024-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Engineered Amine-Functionalized Metal–Organic Framework to Fabricate a Composite for Next-Generation Asymmetric Supercapacitors with Ultrahigh Performance: Modulating the Energy Storage Barrier\",\"authors\":\"Shabnam Khan, Aadil Rashid Lone, Mohammad Yasir Khan, Sabiar Rahaman, Kavita Pandey, Aasif Helal, Farasha Sama, M. Shahid\",\"doi\":\"10.1021/acs.langmuir.4c02522\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The present work summarizes the fabrication of an amine-functionalized cadmium-based metal–organic framework (MOF), {[Cd(AT)(BP)]·4DMF}n or Cd_AT-BP, by adopting a simple solvothermal approach using 2-aminoterephthalic acid (AT) as the main linker, while 4,4′-bipyridyl (BP) as an auxiliary linker. The structure of Cd_AT-BP was validated by the single-crystal X-ray diffraction technique that revealed the formation of an overall three-dimensional network with BP acting as a bridge between the 2D sheets of the MOF. The robust framework of Cd_AT-BP decorated with a free amine functional group was utilized for energy storage application. The electrochemical measurements of Cd_AT-BP revealed a maximum areal capacitance of 9.8 mF/cm2 at a scan rate of 5 mV/s. Further, to enhance the practical utility of Cd_AT-BP in energy storage devices, two composites of Cd_AT-BP with reduced graphene oxide (rGO) and multiwalled carbon nanotubes (CNTs), viz., Cd_AT-BP/rGO and Cd_AT-BP/CNT, were prepared by adopting a facile ultrasonication approach. The synthesized Cd_AT-BP/rGO and Cd_AT-BP/CNT composites displayed an impressive areal capacitance of 117 and 37 mF/cm2 (58.5 and 17.5 F/g) at a scan rate of 5 mV/s, respectively, and a capacitance retention of up to 118 and 100% after 5000 cycles at a constant current density of 5 mA/cm2. The highest energy density of about 4.23 mW h/cm2 (2.12 W h/kg) at a current density of 1 mA/cm2 was shown by Cd_AT-BP/rGO among all the three materials attributable to the layered structure of rGO, providing a larger surface area accessible for ion adsorption. Enticed by the remarkable outcomes exhibited by Cd_AT-BP/rGO, we fabricated a two-electrode asymmetric supercapacitor (ASC) device. The developed ASC device revealed energy and power densities of 26.7 mW h/cm2 (13.4 W h/kg) and 3760 mW/cm2 (1880 W/kg), respectively, with a galvanostatic charge–discharge stability of up to 10,000 cycles. The findings identify Cd_AT-BP/rGO as a potential contender for future-generation supercapacitors.\",\"PeriodicalId\":50,\"journal\":{\"name\":\"Langmuir\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":3.7000,\"publicationDate\":\"2024-09-25\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Langmuir\",\"FirstCategoryId\":\"92\",\"ListUrlMain\":\"https://doi.org/10.1021/acs.langmuir.4c02522\",\"RegionNum\":2,\"RegionCategory\":\"化学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"CHEMISTRY, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Langmuir","FirstCategoryId":"92","ListUrlMain":"https://doi.org/10.1021/acs.langmuir.4c02522","RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}

引用次数: 0

摘要

本研究以 2-氨基对苯二甲酸（AT）为主要连接剂，4,4′-联吡啶（BP）为辅助连接剂，采用简单的溶热法制备了胺功能化镉基金属有机框架（MOF）{[Cd(AT)(BP)]-4DMF}n 或 Cd_AT-BP。单晶 X 射线衍射技术对 Cd_AT-BP 的结构进行了验证，结果表明，BP 在 MOF 的二维薄片之间起到了桥梁的作用，从而形成了一个整体的三维网络。用游离胺官能团装饰的 Cd_AT-BP 框架非常坚固，可用于储能应用。Cd_AT-BP 的电化学测量显示，在 5 mV/s 的扫描速率下，其最大电容值为 9.8 mF/cm2。此外，为了提高 Cd_AT-BP 在储能装置中的实用性，研究人员采用简便的超声法制备了两种 Cd_AT-BP 与还原型氧化石墨烯（rGO）和多壁碳纳米管（CNTs）的复合材料，即 Cd_AT-BP/rGO 和 Cd_AT-BP/CNT。合成的 Cd_AT-BP/rGO 和 Cd_AT-BP/CNT 复合材料在 5 mV/s 的扫描速率下分别显示出 117 和 37 mF/cm2 （58.5 和 17.5 F/g）的惊人电容值，在 5 mA/cm2 的恒定电流密度下循环 5000 次后，电容保持率分别高达 118 和 100%。在所有三种材料中，Cd_AT-BP/rGO 在电流密度为 1 mA/cm2 时的能量密度最高，约为 4.23 mW h/cm2（2.12 W h/kg），这归功于 rGO 的层状结构为离子吸附提供了更大的表面积。受 Cd_AT-BP/rGO 所表现出的显著效果的吸引，我们制造了一种双电极不对称超级电容器（ASC）装置。所开发的 ASC 器件的能量密度和功率密度分别为 26.7 mW h/cm2（13.4 W h/kg）和 3760 mW/cm2（1880 W/kg），电静态充放电稳定性高达 10,000 次循环。研究结果表明，Cd_AT-BP/rGO 是未来新一代超级电容器的潜在竞争者。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Engineered Amine-Functionalized Metal–Organic Framework to Fabricate a Composite for Next-Generation Asymmetric Supercapacitors with Ultrahigh Performance: Modulating the Energy Storage Barrier

查看原文本刊更多论文

Engineered Amine-Functionalized Metal–Organic Framework to Fabricate a Composite for Next-Generation Asymmetric Supercapacitors with Ultrahigh Performance: Modulating the Energy Storage Barrier

The present work summarizes the fabrication of an amine-functionalized cadmium-based metal–organic framework (MOF), {[Cd(AT)(BP)]·4DMF}_n or Cd_AT-BP, by adopting a simple solvothermal approach using 2-aminoterephthalic acid (AT) as the main linker, while 4,4′-bipyridyl (BP) as an auxiliary linker. The structure of Cd_AT-BP was validated by the single-crystal X-ray diffraction technique that revealed the formation of an overall three-dimensional network with BP acting as a bridge between the 2D sheets of the MOF. The robust framework of Cd_AT-BP decorated with a free amine functional group was utilized for energy storage application. The electrochemical measurements of Cd_AT-BP revealed a maximum areal capacitance of 9.8 mF/cm² at a scan rate of 5 mV/s. Further, to enhance the practical utility of Cd_AT-BP in energy storage devices, two composites of Cd_AT-BP with reduced graphene oxide (rGO) and multiwalled carbon nanotubes (CNTs), viz., Cd_AT-BP/rGO and Cd_AT-BP/CNT, were prepared by adopting a facile ultrasonication approach. The synthesized Cd_AT-BP/rGO and Cd_AT-BP/CNT composites displayed an impressive areal capacitance of 117 and 37 mF/cm² (58.5 and 17.5 F/g) at a scan rate of 5 mV/s, respectively, and a capacitance retention of up to 118 and 100% after 5000 cycles at a constant current density of 5 mA/cm². The highest energy density of about 4.23 mW h/cm² (2.12 W h/kg) at a current density of 1 mA/cm² was shown by Cd_AT-BP/rGO among all the three materials attributable to the layered structure of rGO, providing a larger surface area accessible for ion adsorption. Enticed by the remarkable outcomes exhibited by Cd_AT-BP/rGO, we fabricated a two-electrode asymmetric supercapacitor (ASC) device. The developed ASC device revealed energy and power densities of 26.7 mW h/cm² (13.4 W h/kg) and 3760 mW/cm² (1880 W/kg), respectively, with a galvanostatic charge–discharge stability of up to 10,000 cycles. The findings identify Cd_AT-BP/rGO as a potential contender for future-generation supercapacitors.

求助全文

通过发布文献求助，成功后即可免费获取论文全文。去求助

来源期刊

Langmuir 化学-材料科学：综合

CiteScore

6.50

自引率

10.30%

发文量

1464

审稿时长

2.1 months

期刊介绍： Langmuir is an interdisciplinary journal publishing articles in the following subject categories: Colloids: surfactants and self-assembly, dispersions, emulsions, foams Interfaces: adsorption, reactions, films, forces Biological Interfaces: biocolloids, biomolecular and biomimetic materials Materials: nano- and mesostructured materials, polymers, gels, liquid crystals Electrochemistry: interfacial charge transfer, charge transport, electrocatalysis, electrokinetic phenomena, bioelectrochemistry Devices and Applications: sensors, fluidics, patterning, catalysis, photonic crystals However, when high-impact, original work is submitted that does not fit within the above categories, decisions to accept or decline such papers will be based on one criteria: What Would Irving Do? Langmuir ranks #2 in citations out of 136 journals in the category of Physical Chemistry with 113,157 total citations. The journal received an Impact Factor of 4.384*. This journal is also indexed in the categories of Materials Science (ranked #1) and Multidisciplinary Chemistry (ranked #5).