{"title":"Self-Supported ZIF-67 nanosheets on nickel foam: A Co-MOF-based high-performance electrode for supercapacitor applications","authors":"Mohit Bhatt , Kajal Gautam , A.K. Sinha","doi":"10.1016/j.matlet.2025.138419","DOIUrl":null,"url":null,"abstract":"<div><div>In this work, the electrochemical performance of in-situ grown ZIF-67 nanosheets on nickel foam (ZIF-67@NF) is reported. The nanosheets were synthesized via a one-step hydrothermal method and characterized using different techniques to confirm their crystal structure, functional groups, and morphology. Electrochemical tests revealed that ZIF-67@NF delivered a high specific capacitance of 2195.23F/g at 1 A/g and retained 1000F/g at 10 A/g. The material demonstrated excellent cycling stability of 83.07% after 10,000 cycles at 10 A/g, showcasing its potential for high-performance supercapacitors.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"389 ","pages":"Article 138419"},"PeriodicalIF":2.7000,"publicationDate":"2025-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Materials Letters","FirstCategoryId":"88","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0167577X25004483","RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
Abstract
In this work, the electrochemical performance of in-situ grown ZIF-67 nanosheets on nickel foam (ZIF-67@NF) is reported. The nanosheets were synthesized via a one-step hydrothermal method and characterized using different techniques to confirm their crystal structure, functional groups, and morphology. Electrochemical tests revealed that ZIF-67@NF delivered a high specific capacitance of 2195.23F/g at 1 A/g and retained 1000F/g at 10 A/g. The material demonstrated excellent cycling stability of 83.07% after 10,000 cycles at 10 A/g, showcasing its potential for high-performance supercapacitors.
期刊介绍：
Materials Letters has an open access mirror journal Materials Letters: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review.
Materials Letters is dedicated to publishing novel, cutting edge reports of broad interest to the materials community. The journal provides a forum for materials scientists and engineers, physicists, and chemists to rapidly communicate on the most important topics in the field of materials.
Contributions include, but are not limited to, a variety of topics such as:
• Materials - Metals and alloys, amorphous solids, ceramics, composites, polymers, semiconductors
• Applications - Structural, opto-electronic, magnetic, medical, MEMS, sensors, smart
• Characterization - Analytical, microscopy, scanning probes, nanoscopic, optical, electrical, magnetic, acoustic, spectroscopic, diffraction
• Novel Materials - Micro and nanostructures (nanowires, nanotubes, nanoparticles), nanocomposites, thin films, superlattices, quantum dots.
• Processing - Crystal growth, thin film processing, sol-gel processing, mechanical processing, assembly, nanocrystalline processing.
• Properties - Mechanical, magnetic, optical, electrical, ferroelectric, thermal, interfacial, transport, thermodynamic
• Synthesis - Quenching, solid state, solidification, solution synthesis, vapor deposition, high pressure, explosive
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