新材料与新技术

球磨法制备氮掺杂石墨烯纳米片及其电化学性能研究

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  • 1.河南建筑材料研究设计院有限责任公司,郑州450002;
    2.齐鲁工业大学山东省科学院材料科学与工程学院,济南250353
杨子(1979-),男,博士,助理研究员,主要研究方向为纳米功能材料,E-mail:yzdlc@hotmail.com。

网络出版日期: 2020-10-20

基金资助

河南省基础与前沿技术研究项目(162300410045);河南省科学院科研开发专项项目(200609015)

Preparation and electrochemical property of N-doped graphene nanosheet by ball milling

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  • 1.Henan Building Materials Research and Design Institute Co.,Ltd.,Zhengzhou 450002;
    2.School of Materials Science and Engineering,Qilu University of Technology Shandong Academy of Sciences,Jinan 250353

Online published: 2020-10-20

摘要

氮掺杂石墨烯有优良的电化学性能,可用于制作超级电容器、锂离子电池、燃料电池等储能器件,但氮掺杂石墨烯的制备方法大都成本较高、工艺条件比较苛刻。以鳞片石墨和尿素为原料,采用球磨法制备了氮掺杂石墨烯纳米片,使用扫描电镜、X射线衍射和X光电子能谱仪对氮掺杂石墨烯纳米片的形貌、结构和氮掺杂形式进行了表征,并对氮掺杂石墨烯纳米片的电化学性能进行了测试。结果表明:得到的氮掺杂石墨烯纳米片尺寸位于1~10μm之间,氮掺杂形式以吡啶N和石墨N为主,在1A/g电流密度下,其质量比电容为201F/g。

本文引用格式

杨子, 娄有信, 李峰, 张伟, 尹蕊, 张梦真 . 球磨法制备氮掺杂石墨烯纳米片及其电化学性能研究[J]. 化工新型材料, 2020 , 48(10) : 125 -128 . DOI: 10.19817/j.cnki.issn 1006-3536.2020.10.027

Abstract

N-doped graphene has excellent electrochemical properties and can be used to make super capacitors,lithium-ion batteries,fuel cells and other energy storage devices.However,most of the preparation methods of N-doped graphene have high cost and harsh process conditions.N-doped graphene nanosheets were prepared by ball milling with graphite and urea as raw materials.The morphology,structure and nitrogen forms of N-doped graphene nanosheets were characterized by SEM,XRD and XPS,and the electrochemical properties were tested.The results shown that the size of the graphene nanoflakes was between 1μm and 10μm,and the doped nitrogen was mainly composed of pyridine N and graphite N.The specific capacitance was 201F/g at 1A/g.

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