[1]李银银,焦秀艳,章 磊,等.δ-MnO2/Ti2CTx复合材料的制备与电化学性能研究[J].江西师范大学学报(自然科学版),2021,(02):153-158.[doi:10.16357/j.cnki.issn1000-5862.2021.02.07]
 LI Yinyin,JIAO Xiuyan,ZHANG Lei,et al.The Preparation and Electrochemical Properties of δ-MnO2/Ti2CTx Composite Materials[J].Journal of Jiangxi Normal University:Natural Science Edition,2021,(02):153-158.[doi:10.16357/j.cnki.issn1000-5862.2021.02.07]
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δ-MnO2/Ti2CTx复合材料的制备与电化学性能研究()
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《江西师范大学学报》(自然科学版)[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2021年02期
页码:
153-158
栏目:
化学
出版日期:
2021-04-10

文章信息/Info

Title:
The Preparation and Electrochemical Properties of δ-MnO2/Ti2CTx Composite Materials
文章编号:
1000-5862(2021)02-0153-06
作者:
李银银1焦秀艳1章 磊1代 芳2温祖标1*
1.江西师范大学功能有机小分子教育部重点实验室及江西省绿色化学重点实验室,化学化工学院,江西 南昌 330022; 2.南昌工程学院江西省精密驱动与控制重点实验室,江西 南昌 330099
Author(s):
LI Yinyin1JIAO Xiuyan1ZHANG Lei1DAI Fang2WEN Zubiao1*
1.Key Laboratory of Functional Small Organic Molecule,Ministry of Education and Jiangxi's Key Laboratory of Green Chemistry,College of Chemistry and Chemical Engineering,Jiangxi Normal University,Nanchang Jiangxi 330022,China; 2.Jiangxi Province Key Laboratory of Precision Drive and Control,Nanchang Institute of Technology,Nanchang Jiangxi 330099,China
关键词:
复合电极材料 MXene δ-MnO2/Ti2CTx 电化学性能 溶液沉淀法
Keywords:
composite electrode materials MXene δ-MnO2/Ti2CTx electrochemical properties solution precipitation method
分类号:
O 613.71; TM 53
DOI:
10.16357/j.cnki.issn1000-5862.2021.02.07
文献标志码:
A
摘要:
以Ti2AlC为前驱体、LiF-HCl的水溶液为刻蚀液、KMnO4为氧化剂和锰源,采用溶液-沉积法制备了δ-MnO2/Ti2CTx复合电极材料.分别采用X-射线衍射仪、扫描电子显微镜、拉曼光谱等方法对试样进行了表征; 以镍网为对电极、银/氯化银为参比电极、2 mol·L-1 KOH溶液为电解质溶液,在3电极体系中采用循环伏安、恒流充放电和交流阻抗等电化学方法研究了复合材料的电化学性质.结果表明:当δ-MnO2/Ti2CTx复合电极材料在电流密度为1 A·g-1时,复合材料的比电容高达227 F·g-1.δ-MnO2/Ti2CTx是一种性能良好的电化学电极材料,具有潜在的应用前景.
Abstract:
The δ-MnO2/Ti2CTx composite electrode material is prepared by solution deposition method with Ti2AlC as precursor,LiF-HCl as etching solution,KMnO4 as oxidant and manganese source.The physical characteristics of the samples are respectively characterized by X-ray diffractometer,scanning electron microscope and Raman spectroscopy.The electrochemical properties of the composite as work electrode are investigated by cyclic voltammetry,galvanostatic charge-discharge and electrochemical impedance spectroscopy in the three electrode system with nickel mesh as the counter electrode,Ag/AgCl as the reference electrode and 2 mol·L-1 KOH solution as the electrolyte solution.The results show that δ-MnO2/Ti2CTx composite electrode material presents a high specific capacitance of 227 F·g-1 at the current density of 1 A·g-1.Presumably,δ-MnO2/Ti2CTx composite is to be a prospective candidate as a electrode material for high-performance supercapacitors.

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备注/Memo

备注/Memo:
收稿日期:2020-07-11
基金项目:国家自然科学基金(21463013),江西省自然科学基金(20171BAB203013),江西省教育厅科学技术研究(GJJ170168,GJJ170174)和江西师范大学研究生创新基金(YJS2019019)资助项目.
通信作者:温祖标(1976—),男,江西石城人,副教授,博士,主要从事纳米材料电化学研究.E-mail:zbwen@jxnu.edu.cn
更新日期/Last Update: 2021-04-10