Intercalation structure of vanadium nitride nanoparticles growing on graphene surface toward high negative active material for supercapacitor utilization

被引：55

作者：

He, Tianqi ^{[2
]}

Wang, Zhen ^{[2
]}

Li, Xiaoming ^{[3
]}

Tan, Yongtao ^{[1
,2
]}

Liu, Ying ^{[1
,2
]}

Kong, Lingbin ^{[1
,2
]}

Kang, Long ^{[1
,2
]}

Chen, Chengmeng ^{[3
]}

Ran, Fen ^{[1
,2
]}

机构：

[1] Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou 730050, Gansu, Peoples R China

[2] Lanzhou Univ Technol, Sch Mat Sci & Engn, Lanzhou 730050, Gansu, Peoples R China

[3] Chinese Acad Sci, Inst Coal Chem, CAS Key Lab Carbon Mat, Taiyuan 030001, Shanxi, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2019年 / 781卷

基金：

中国博士后科学基金; 中国国家自然科学基金;

关键词：

Vanadium nitride; GO; Surface polymerization; Hybrid material; Supercapacitor; CARBON; PERFORMANCE; ELECTRODES; NANOCOMPOSITES; MEMBRANE; POLYMERIZATION; REDUCTION; COMPOSITE; NITROGEN; STATE;

D O I：

10.1016/j.jallcom.2018.12.149

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Here, we use the method of electrochemical surface-initiated atom transfer radical polymerization to prepare VN nanoparticle/GO composites. VN nanoparticles is uniformly distributed onto the surface of GO, which forms an intercalation structure. Synergistic effect of the electrochemical active material of VN and good conductive substrate of GO significantly improves the efficiency of the electrochemically active materials to ensure the electrode behavior of charging and discharging process goes smoothly. In 2 M KOH electrolyte, the electrode material of VN/GO hybrid exhibits good specific capacitance of 109.7 F/g. And after 5000 cycles, the capacitance retention rate still reaches 93% of the initial capacity. (C) 2018 Elsevier B.V. All rights reserved.

引用

页码：1054 / 1058

页数：5

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