A zipper-like NiCo2O4/Ni(OH)2 growing on multifunctional nickel foam with excellent capacitive performance

被引：21

作者：

Teng, Ying ^{[1
]}

Huo, Yu-qiu ^{[1
]}

Li, Shu-ting ^{[1
]}

Niu, Xiao-ming ^{[1
]}

Fan, Na ^{[1
]}

Su, Zhong-min ^{[2
,3
]}

机构：

[1] Northeastern Univ, Dept Chem, Sci Coll, Shenyang 110819, Liaoning, Peoples R China

[2] Changchun Univ Sci & Technol, Sci Coll, Changchun 130022, Jilin, Peoples R China

[3] Northeast Normal Univ, Fac Chem, Changchun 130024, Jilin, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2019年 / 784卷

基金：

中国国家自然科学基金;

关键词：

Zipper-like; NiCo2O4/Ni(OH)(2); Composite; Supercapacitor; DOUBLE-SHELLED NANOCAGES; LITHIUM-ION BATTERIES; ELECTRODE MATERIAL; SUPERCAPACITOR; GRAPHENE; ARRAYS; SPHERES; NANOSHEETS; NANOWIRES; CARBON;

D O I：

10.1016/j.jallcom.2018.12.351

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：

The increased needs for sustainable energy storage devices make it urgent to develop novel supercapacitor electrode materials. An ingenious zipper-like NiCo2O4/Ni(OH)(2) composite has been successfully grown on nickel foam via a one-pot hydrothermal method free of any template or catalyst. Owing to its close contact with the substrate, its distinguished zipper-like structure and unique ingredients, the specific capacitance of NiCo2O4/Ni(OH)(2) was as high as 2721 mF cm(-2) at 1 mA cm(-2); 2161 mF cm(-2) was obtained even at 50 mA cm(-2); and it retained 86% capacity after 10000 cycles. The facile synthesis method and remarkable capacitive performance of the zipper-like NiCo2O4/Ni(OH)(2) make it attractive for supercapacitor applications. (C) 2019 Elsevier B.V. All rights reserved.

引用

页码：712 / 719

页数：8

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