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调控氧化石墨烯添加量以增强MOF衍生材料的电容储能性能

秦永吉a,*，杨净泉a，王昊b，练美玲c，贾沛沛a,*，罗俊a,*，刘熙俊d，刘军枫e   

  1. a电子科技大学，电子科技大学（深圳）高等研究院，深思实验室，广东 深圳518110 b中国中煤能源集团有限公司，北京 100120 c中国民航大学交通科学与工程学院，天津市民航能源环境与绿色发展工程研究中心，天津 300300 d广西大学资源环境与材料学院，广西有色金属及特色材料加工重点实验室，省部共建特色金属材料与组合结构全寿命安全国家重点实验室，广西 南宁530004 e北京化工大学，化工资源有效利用国家重点实验室，北京 100029
  • 发布日期:2025-05-16
  • 通讯作者: 秦永吉，贾沛沛，罗俊 E-mail:qyj@uestc.edu.cn; jiapeipei@uestc.edu.cn; jluo@uestc.edu.cn
  • 作者简介:秦永吉，杨净泉，王昊，练美玲，贾沛沛，罗俊，刘熙俊，刘军枫

Regulating the Amount of Graphene Oxide for Enhanced Capacitive Energy Storage of MOF Derived Materials

Yongji Qina,*, Jingquan Yanga, Hao Wangb, Meiling Lianc, Peipei Jiaa,*, Jun Luoa,*, Xijun Liud and Junfeng Liue   

  1. a ShenSi Lab, Shenzhen Institute for Advanced Study, University of Electronic Science and Technology of China, Longhua, Shenzhen 518110, China b China National Coal Group Corporation, Beijing 100120, China c Tianjin Engineering Research Center of Civil Aviation Energy Environment and Green Development, School of Transportation Science and Engineering, Civil Aviation University of China, Tianjin, 300300, China d State Key Laboratory of Featured Metal Materials and Life-cycle Safety for Composite Structures, Guangxi Key Laboratory of Processing for Non-ferrous Metals and Featured Materials, MOE Key Laboratory of New Processing Technology for Nonferrous Metals and Materials, School of Resources, Environment and Materials, Guangxi University, Nanning, 530004 Guangxi, China. e State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China.
  • Online:2025-05-16
  • Contact: Yongji Qin, Peipei Jia, Jun Luo E-mail:qyj@uestc.edu.cn; jiapeipei@uestc.edu.cn; jluo@uestc.edu.cn
  • About author:Yongji Qin, Jingquan Yang, Hao Wang, Meiling Lian, Peipei Jia, Jun Luo, Xijun Liu and Junfeng Liu

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摘要： 为获得更高性能的电化学储能材料，兼具独特结构与优异特性的金属氧化物/氧化石墨烯复合材料体系受到广泛关注。本研究通过调控氧化石墨烯（GO）的引入量，构建金属有机框架（MOF）与GO的复合结构，并基于一步煅烧法成功制备了氮掺杂碳骨架支撑金属氧化物与GO的复合体系。电化学性能测试结果表明，当GO引入量为7 wt%时，复合材料的比电容可达642 F/g（1 A/g），5000次循环后容量保持率达93%，其优异的储锂性能源于GO对金属氧化物纳米颗粒的导电网络优化与结构稳定作用。该研究为高稳定性金属氧化物/碳基复合电极材料的理性设计提供了新思路。

关键词: 金属有机框架, 氧化铁, 氧化石墨烯, 复合材料, 超级电容器

Abstract: In pursuit of more efficient and stable electrochemical energy storage materials, composite materials consisting of metal oxides and graphene oxide have garnered significant attention due to their unique structures and exceptional properties. Graphene oxide (GO), a two-dimensional material with an extremely high specific surface area and excellent conductivity, offers new possibilities for enhancing the electrochemical performance of metal oxides. In this work, we synthesized metal-organic framework (MOF) and GO composites with regulated amount of GO and successfully prepared composites of metal oxides supported by nitrogen-doped carbon frameworks and GO through a simple one-step calcination process. Through electrochemical tests, the optimal amount of GO was determined. This research will provide new insights and directions for designing and synthesizing metal oxide and graphene oxide composite materials with ideal electrochemical performance.

Key words: Metal-organic framework, Iron oxide, graphene oxide, composite material, supercapacitor

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