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材料导报  2021, Vol. 35 Issue (z2): 18-21    
  无机非金属及其复合材料 |
两步法制备碳化钛薄膜及其电容性能
欧珊1, 牟自豪1, 林涛2, 李瑶1, 冯威2, 刘文龙3
1 成都大学高等研究院, 成都 610106
2 成都大学机械工程学院,成都 610106
3 成都大学食品与生物工程学院,成都 610106
Preparation of Titanium Carbide Film by Two-step Approach and Its Capacitance Properties
OU Shan1, MOU Zihao1, LIN Tao2, LI Yao1, FENG Wei2, LIU Wenlong3
1 Institute for Advanced Study, Chengdu University, Chengdu 610106, China
2 School of Mechanical Engineering, Chengdu University, Chengdu 610106, China
3 School of Food and Biological Engineering, Chengdu University, Chengdu 610106, China
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摘要 二维过渡金属碳/氮化物(MXene)是一类新型超薄类石墨烯结构二维纳米材料,具有高比表面积、高电导率、组分可调、层厚可控等特质,已经在吸附、催化、传感等领域获得了广泛关注。得益于出色的电化学活性和离子传输特性,MXene近年来在储能领域逐渐崭露头角。然而,基于MXene的高性能、长寿命超级电容器的相关研究鲜见报道。本文通过刻蚀剥离和喷涂两步法制备了Ti3C2薄膜,对其形貌与结构进行了详细表征。随后,以Ti3C2薄膜作为工作电极、饱和甘汞电极为参比电极、铂片电极为对电极构建了三电极体系,系统考察了Ti3C2薄膜的电容性能。研究表明,电流密度为1.0 A/g时,Ti3C2薄膜质量比电容高达187.0 F/g。在10.0 A/g的电流密度下循环500次后,Ti3C2薄膜电容量仍能保持97.0%,表现出优异的循环稳定性。
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欧珊
牟自豪
林涛
李瑶
冯威
刘文龙
关键词:  二维碳化钛薄膜  两步法  电容性能  循环稳定性    
Abstract: Two-dimensional transition metal carbide or carbonitride (MXene) is a newtype of ultra-thin and graphene-like two-dimensional nanomate-rials with high specific surface area, high conductivity, adjustable composition and controllable layer thickness, which has attracted extensive research interest in the fields of adsorption, catalysis and sensing. Thanks to its excellent electrochemical activity and ion transport properties, MXene has been gradually emerging in the field of energy storage in recent years. However, few studies associated with high-performance and long-life MXene-based supercapacitors have been reported. In this work, Ti3C2 thin film were prepared by etching and spraying. The morphological and structural features of the Ti3C2 thin film were characterized in detail. Then, the capacitance of the Ti3C2 thin film was investigated systematically with a three-electrode system which was constructed with Ti3C2 thin film as the working electrode, calomel saturated electrode as the reference electrode and platinum sheet electrode as the counter electrode. The results show that the specific capacitance of the Ti3C2 thin film is as high as 187.0 F/g at a current density of 1.0 A/g. Interestingly, the capacitance of the Ti3C2 film was still maintained at 97.0% after 500 cycles at a current density of 10.0 A/g, showing excellent cycle stability.
Key words:  MXene thin films    two-step approach    capacitance properties    cycle stability
                    发布日期:  2021-12-09
ZTFLH:  X511  
通讯作者:  lintao@stu.cdu.edu.cn; liuwenlong_666@126.com   
作者简介:  欧珊,获得院级PCB大赛优胜奖,校级光立方大赛三等奖,四川省智能硬件大赛三等奖,四川省智能车竞赛三等奖,全国机器人锦标赛二等奖,曾获学长课堂优秀学员、优秀学生干部称号,也获得过国家励志奖学金。
刘文龙,博士,副教授,硕士研究生导师。研究方向为新型功能材料的开发与应用,包括电能源转化和存储材料、薄膜材料、纳米材料、传感器材料以及半导体器件和工艺的研究,材料的合成、生长工艺、结构表征、光电性能测试以及在锂离子电池、超级电容电池、太阳能电池、传感器、TFT等器件上的应用。近年来主持国家自然科学基金项目1项、中国博士后科学基金面上项目1项,四川省应用基础研究项目1项,成都市科技局和经信局项目4项,主研国家和省部级科研项目10余项,发表论文30余篇(1作SCI论文10篇),获得四川省科技进步二等奖1项,申报国家发明专利5项,已授权3项。参编著作3部,参加国际学术会议并口头报告3次。
引用本文:    
欧珊, 牟自豪, 林涛, 李瑶, 冯威, 刘文龙. 两步法制备碳化钛薄膜及其电容性能[J]. 材料导报, 2021, 35(z2): 18-21.
OU Shan, MOU Zihao, LIN Tao, LI Yao, FENG Wei, LIU Wenlong. Preparation of Titanium Carbide Film by Two-step Approach and Its Capacitance Properties. Materials Reports, 2021, 35(z2): 18-21.
链接本文:  
http://www.mater-rep.com/CN/  或          http://www.mater-rep.com/CN/Y2021/V35/Iz2/18
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