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Porous Ternary High Performance Supercapacitor Electrode Based on Reduced Graphene Oxide, NiMn2O4, and Polyaniline
Sahoo, Sumanta1; Zhang, Suojiang2; Shim, Jae-Jin1
2016-10-20
发表期刊ELECTROCHIMICA ACTA
ISSN0013-4686
卷号216期号:OCT页码:386-396
摘要

This paper reports a novel porous ternary nanohybrid based on NiMn2O4, reduced graphene oxide, and polyaniline (GNMOP) as a superior supercapacitor electrode material. GNMOP was fabricated using a hydrothermal-assisted thermal annealing method, followed by the conductive wrapping of polyaniline through in-situ polymerization. The structure and morphology of the ternary nanohybrid were characterized by field emission scanning electron microscopy (FESEM), high resolution transmission electron microscopy (HRTEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), and Fourier transform infrared spectroscopy (FTIR). FTIR, XRD, and XPS confirmed the formation of ternary nanohybrid. SEM and Brunauer-Emmett-Teller (BET) measurement revealed the porous nature of GNMOP, whereas HRTEM analysis demonstrated the wrapping of conducting polyaniline (PANI) on binary composite. Such PANI wrapping enhanced the electrochemical performance of the binary nanocomposite. A specific capacitance of 757 Fg (1) was achieved for GNMOP at a current density of 1 Ag (1), which is much higher than that of the binary nanocomposite and mixed transition metal oxide. In addition, GNMOP exhibited a maximum energy density of 70 Whkg (1) and high capacitance retention of similar to 93% after 2000 cycles. These outstanding electrochemical performances of GNMOP can be attributed to the proper wrapping of conducting polymer and the synergistic impact of distinct components. (C) 2016 Elsevier Ltd. All rights reserved.

关键词Supercapacitor Nimn2o4 Reduced Graphene Oxide Polyaniline Energy Density
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1016/j.electacta.2016.09.030
收录类别SCI ; ISTP
语种英语
关键词[WOS]ELECTROCHEMICAL ENERGY-STORAGE ; NICKEL-MANGANESE OXIDE ; ASYMMETRIC SUPERCAPACITORS ; MAGNETIC-PROPERTIES ; COMPOSITE ; NANOCOMPOSITES ; FOAM ; NANOSTRUCTURES ; FABRICATION ; ARRAYS
WOS研究方向Electrochemistry
WOS类目Electrochemistry
WOS记录号WOS:000385495000046
引用统计
被引频次:13[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/21555
专题多相复杂系统国家重点实验室
作者单位1.Yeungnam Univ, Sch Chem Engn, Gyongsan 38541, Gyeoungbuk, South Korea
2.Chinese Acad Sci, Inst Proc Engn, Beijing 100190, Peoples R China
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Sahoo, Sumanta,Zhang, Suojiang,Shim, Jae-Jin. Porous Ternary High Performance Supercapacitor Electrode Based on Reduced Graphene Oxide, NiMn2O4, and Polyaniline[J]. ELECTROCHIMICA ACTA,2016,216(OCT):386-396.
APA Sahoo, Sumanta,Zhang, Suojiang,&Shim, Jae-Jin.(2016).Porous Ternary High Performance Supercapacitor Electrode Based on Reduced Graphene Oxide, NiMn2O4, and Polyaniline.ELECTROCHIMICA ACTA,216(OCT),386-396.
MLA Sahoo, Sumanta,et al."Porous Ternary High Performance Supercapacitor Electrode Based on Reduced Graphene Oxide, NiMn2O4, and Polyaniline".ELECTROCHIMICA ACTA 216.OCT(2016):386-396.
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