Nickel cobalt sulfide nanoparticles grown on titanium carbide MXenes for high-performance supercapacitor
He, Xingxing1,2; Bi, Tiantian2; Zheng, Xuan2; Zhu, Weijun2; Jiang, Jinlong1,2
2020-02-01
发表期刊ELECTROCHIMICA ACTA
ISSN0013-4686
卷号332
摘要The Ni1.5Co1.5S4@Ti3C2 hybrid materials with different MXene contents have been synthesized through in-situ growing Ni1.5Co1.5S4 nanoparticles on few-layer Ti3C2 nanoflakes using a simple one-step hydrothermal method. The supercapacitive performances of the hybrid materials are optimized by tuning the composition of the hybrid materials from the atomic ratios of nickel and cobalt to content of heterogeneous components. Owing to achieving the maximum of synergistic effects at multi-scales, the Ni1.5Co1.5S4@Ti3C2-5 electrode shows a high specific capacitance of 166.7 mAh g(-1) at the current density of 1 A g(-1), and superior rate capability with capacitance retention rate of 73.9% after a 20 time increase in current densities. Impressively, an asymmetric supercapacitor, assembled with Ni1.5Co1.5S4@Ti3C2-5 as positive electrode and activated carbon as negative electrode, delivers high energy density of 49.8 Wh kg(-1) at a power density of 800 W kg(-1), and an excellent cycling stability of 90% capacitance retention after 8000 cycles at 10 A g(-1), demonstrating a great prospect for practical applications in the fields of energy storage. (C) 2019 Elsevier Ltd. All rights reserved.
关键词Nickel cobalt sulfides Ti3C2 MXene Synergistic effect Asymmetric supercapacitor
DOI10.1016/j.electacta.2019.135514
收录类别SCI ; SCIE
语种英语
资助项目National Natural Science Foundation of China[51741104]
WOS研究方向Electrochemistry
WOS类目Electrochemistry
WOS记录号WOS:000506201800042
出版者PERGAMON-ELSEVIER SCIENCE LTD
EI入藏号20195107876767
EI主题词Sulfur compounds
EI分类号504.3 Heavy Metal Mines - 701.1 Electricity: Basic Concepts and Phenomena - 761 Nanotechnology - 802.2 Chemical Reactions - 804 Chemical Products Generally - 804.2 Inorganic Compounds - 933 Solid State Physics
来源库WOS
引用统计
被引频次:34[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符https://ir.lut.edu.cn/handle/2XXMBERH/64238
专题省部共建有色金属先进加工与再利用国家重点实验室
理学院
通讯作者Jiang, Jinlong
作者单位1.Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou 730050, Peoples R China;
2.Lanzhou Univ Technol, Sch Sci, Dept Phys, Lanzhou 730050, Peoples R China
第一作者单位省部共建有色金属先进加工与再利用国家重点实验室;  理学院
通讯作者单位省部共建有色金属先进加工与再利用国家重点实验室;  理学院
第一作者的第一单位省部共建有色金属先进加工与再利用国家重点实验室
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GB/T 7714
He, Xingxing,Bi, Tiantian,Zheng, Xuan,et al. Nickel cobalt sulfide nanoparticles grown on titanium carbide MXenes for high-performance supercapacitor[J]. ELECTROCHIMICA ACTA,2020,332.
APA He, Xingxing,Bi, Tiantian,Zheng, Xuan,Zhu, Weijun,&Jiang, Jinlong.(2020).Nickel cobalt sulfide nanoparticles grown on titanium carbide MXenes for high-performance supercapacitor.ELECTROCHIMICA ACTA,332.
MLA He, Xingxing,et al."Nickel cobalt sulfide nanoparticles grown on titanium carbide MXenes for high-performance supercapacitor".ELECTROCHIMICA ACTA 332(2020).
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