Facile approach to prepare loose-packed cobalt hydroxide nano-flakes materials for electrochemical capacitors
Kong, Ling-Bin1,2; Lang, Jun-Wei1; Liu, Min1; Luo, Yong-Chun2; Kang, Long2
2009-12
Source PublicationJOURNAL OF POWER SOURCES
ISSN0378-7753
Volume194Issue:2Pages:1194-1201
AbstractCobalt hydroxide nano-flakes are successfully synthesized by a facile chemical precipitation method. Electrochemical characterization is performed using cyclic voltammetry. chronopotentiometry and impedance spectroscopy, respectively. These cobalt hydroxide nano-flakes maintain high utilization at high rates of discharge. A maximum specific capacitance of 735 Fg(-1) can be achieved in 2 M aqueous KOH with the potential range from -0.2 to 0.4V (vs. SCE) in a half-cell setup configuration for the nano-flakes Co(OH)(2) electrode, suggesting its potential application in electrochemical capacitors. Furthermore, the effect of annealing temperatures on the electrochemical capacitance characteristics is also been systematically explored. (C) 2009 Elsevier B.V. All rights reserved.
KeywordElectrochemical capacitors Cobalt hydroxide Specific capacitance Nano-flakes Pseudo-capacitance
DOI10.1016/j.jpowsour.2009.06.016
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[50602020] ; Natural Science Foundation of Gansu Province[0803RJZA002] ; Program for Outstanding Young Teachers in Lanzhou University of Technology[Q200803]
WOS Research AreaChemistry ; Electrochemistry ; Energy & Fuels ; Materials Science
WOS SubjectChemistry, Physical ; Electrochemistry ; Energy & Fuels ; Materials Science, Multidisciplinary
WOS IDWOS:000270620500084
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:215[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.lut.edu.cn/handle/2XXMBERH/35327
Collection材料科学与工程学院
省部共建有色金属先进加工与再利用国家重点实验室
Corresponding AuthorKong, Ling-Bin
Affiliation1.Lanzhou Univ Technol, State Key Lab Gansu Adv Nonferrous Met Mat, Lanzhou 730050, Peoples R China
2.Lanzhou Univ Technol, Minist Educ, Key Lab Nonferrous Met Alloys & Proc, Lanzhou 730050, Peoples R China
First Author AffilicationState Key Laboratory Of Gansu Advanced Non-Ferrous Metal Materials;  Lanzhou University of Technology
Corresponding Author AffilicationState Key Laboratory Of Gansu Advanced Non-Ferrous Metal Materials;  Lanzhou University of Technology
First Signature AffilicationState Key Laboratory Of Gansu Advanced Non-Ferrous Metal Materials
Recommended Citation
GB/T 7714
Kong, Ling-Bin,Lang, Jun-Wei,Liu, Min,et al. Facile approach to prepare loose-packed cobalt hydroxide nano-flakes materials for electrochemical capacitors[J]. JOURNAL OF POWER SOURCES,2009,194(2):1194-1201.
APA Kong, Ling-Bin,Lang, Jun-Wei,Liu, Min,Luo, Yong-Chun,&Kang, Long.(2009).Facile approach to prepare loose-packed cobalt hydroxide nano-flakes materials for electrochemical capacitors.JOURNAL OF POWER SOURCES,194(2),1194-1201.
MLA Kong, Ling-Bin,et al."Facile approach to prepare loose-packed cobalt hydroxide nano-flakes materials for electrochemical capacitors".JOURNAL OF POWER SOURCES 194.2(2009):1194-1201.
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