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Hydrothermal synthesis of Ni(OH)(2) nanoflakes on 3D graphene foam for high-performance supercapacitors
Jiang, Chuan1; Zhao, Bin1; Cheng, Junye1; Li, Jianqiang2; Zhang, Huijuan1; Tang, Zhihong1; Yang, Junhe1
2015-08-10
Source PublicationELECTROCHIMICA ACTA
ISSN0013-4686
Volume173Issue:AUGPages:399-407
Abstract

Ni(OH)(2) nanoflakes were successfully synthesized with a facile hydrothermal method on 3D (three-dimensional) graphene grown by atmospheric pressure chemical vapor deposition (APCVD). The hydrothermal temperature and time were optimized to improve the performance of the composite as a binder-free supercapacitor electrode. The Ni(OH)(2)/3D graphene composite synthesized at 180 degrees C for 3 h shows high specific capacitance of 1450 F/g at a current density of 5 A/g. Even when the discharge current density increases to 60 A/g, a specific capacitance of 1196 F/g is still retained, highlighting the remarkable rate capability of our composite electrode. It also shows good capacity retention of 78 % after 1000 charge-discharge cycles, presenting the excellent cycle stability. These impressive results suggest that the composite is a promising electrode material for high-performance supercapacitors. (C) 2015 Elsevier Ltd. All rights reserved.

KeywordNi(Oh)(2) 3d Graphene Supercapacitor Hydrothermal Reaction
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1016/j.electacta.2015.05.081
Indexed BySCI
Language英语
WOS KeywordCHEMICAL-VAPOR-DEPOSITION ; ELECTRODE MATERIALS ; OXIDE ; SUBSTRATE ; NETWORKS ; FILMS
WOS Research AreaElectrochemistry
WOS SubjectElectrochemistry
WOS IDWOS:000356674900051
Citation statistics
Cited Times:47[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/19309
Collection湿法冶金清洁生产技术国家工程实验室
Affiliation1.Univ Shanghai Sci & Technol, Sch Mat Sci & Engn, Shanghai 200093, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Jiang, Chuan,Zhao, Bin,Cheng, Junye,et al. Hydrothermal synthesis of Ni(OH)(2) nanoflakes on 3D graphene foam for high-performance supercapacitors[J]. ELECTROCHIMICA ACTA,2015,173(AUG):399-407.
APA Jiang, Chuan.,Zhao, Bin.,Cheng, Junye.,Li, Jianqiang.,Zhang, Huijuan.,...&Yang, Junhe.(2015).Hydrothermal synthesis of Ni(OH)(2) nanoflakes on 3D graphene foam for high-performance supercapacitors.ELECTROCHIMICA ACTA,173(AUG),399-407.
MLA Jiang, Chuan,et al."Hydrothermal synthesis of Ni(OH)(2) nanoflakes on 3D graphene foam for high-performance supercapacitors".ELECTROCHIMICA ACTA 173.AUG(2015):399-407.
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