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DC Field Value Language 김동연 ko 정영민 ko 백성호 ko 손인준 ko 2019-07-25T07:57:53Z - 2019-07-25T07:57:53Z - 2019-07-11 - 2019-06 -
dc.identifier.citation 한국분말야금학회지, v.26, no.3, pp.231 - 236 -
dc.identifier.issn 1225-7591 -
dc.identifier.uri -
dc.description.abstract Ni hydroxides (Ni(OH)2) are synthesized on Ni foam by varying the hexamethylenetetramine (HMT) concentration using an electrodeposition process for pseudocapacitor (PC) applications. In addition, the effects of HMT concentration on the Ni(OH)2 structure and the electrochemical properties of the PCs are investigated. HMT is the source of amine-based OH− in the solution; thus, the growth rate and morphological structure of Ni(OH)2 are influenced by HMT concentration. When Ni(OH)2 is electrodeposited at a constant voltage mode of -0.85 V vs. Ag/AgCl, the cathodic current and the number of nucleations are significantly reduced with increasing concentration of HMT from 0 to 10 mM. Therefore, Ni(OH)2 is sparsely formed on the Ni foam with increasing HMT concentration, showing a layered double-hydroxide structure. However, loosely packed Ni(OH)2 grains that are spread on Ni foam maintain a much greater surface area for reaction and result in the effective utilization of the electrode material due to the steric hindrance effect. It is suggested that the Ni(OH)2 electrodes with HMT concentration of 7.5 mM have the maximum specific capacitance (1023 F/g), which is attributed to the facile electrolyte penetration and fast proton exchange via optimized surface areas. -
dc.language Korean -
dc.publisher 한국분말야금학회 -
dc.title 헥사메틸렌테트라민 농도에 따른 수산화니켈 입자의 특성 분석 및 의사커패시터 응용 -
dc.title.alternative The Effects of Hexamethylenetetramine Concentration on the Structural and Electrochemical Performances of Ni(OH)2 Powder for Pseudocapacitor Applications -
dc.type Article -
dc.identifier.doi 10.4150/KPMI.2019.26.3.231 -
dc.type.local Article(Domestic) -
dc.type.rims ART -
dc.description.journalClass 2 -
dc.identifier.kciid ART002482468 -
dc.contributor.nonIdAuthor 김동연 -
dc.contributor.nonIdAuthor 손인준 -
dc.identifier.citationVolume 26 -
dc.identifier.citationNumber 3 -
dc.identifier.citationStartPage 231 -
dc.identifier.citationEndPage 236 -
dc.identifier.citationTitle 한국분말야금학회지 -
dc.type.journalArticle Article -
dc.description.isOpenAccess N -
dc.subject.keywordAuthor Pseudocapacitor -
dc.subject.keywordAuthor Nickel hydroxide -
dc.subject.keywordAuthor Electrodeposition -
dc.subject.keywordAuthor Hexamethylenetetramine -
dc.subject.keywordAuthor Cathodic current -
dc.contributor.affiliatedAuthor 정영민 -
dc.contributor.affiliatedAuthor 백성호 -
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