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Effect of ammonium on low-temperature electrodeposition of Ni-P alloys
Alternative TitleMater. Lett.
Li, LC; Zhang, Y; Deng, SA; Chen, YL
2003-07-01
Source PublicationMATERIALS LETTERS
ISSN0167-577X
Volume57Issue:22-23Pages:3444-3448
AbstractA previous way of electrodepositing Ni-P alloy containing about 6-8 at.% phosphorus, which has a high catalytic activity for hydrogen evolution reaction (HER), is not capable of growing a thick coating having good physical stability. In this study, ammonium chloride was added increasingly between 0.5 and 4 M to the electrolyte containing 0.2 M NiCl2 and 0.1 M NaH2PO2 to examine its effect on the Ni-P electrodeposition. It was found that phosphorus content in the alloy increased almost linearly with only the addition of ammonium chloride. This result showed that the catalyst Ni-P alloy could be prepared using a low concentration of the phosphorus-offering reagent and a high concentration of ammonium, instead of using a conventional bath containing a relatively high phosphorus-offering reagent. Such a way made it feasible to grow the thick Ni-P coating containing the proper phosphorus for HER. (C) 2003 Elsevier Science B.V. All rights reserved.; A previous way of electrodepositing Ni-P alloy containing about 6-8 at.% phosphorus, which has a high catalytic activity for hydrogen evolution reaction (HER), is not capable of growing a thick coating having good physical stability. In this study, ammonium chloride was added increasingly between 0.5 and 4 M to the electrolyte containing 0.2 M NiCl2 and 0.1 M NaH2PO2 to examine its effect on the Ni-P electrodeposition. It was found that phosphorus content in the alloy increased almost linearly with only the addition of ammonium chloride. This result showed that the catalyst Ni-P alloy could be prepared using a low concentration of the phosphorus-offering reagent and a high concentration of ammonium, instead of using a conventional bath containing a relatively high phosphorus-offering reagent. Such a way made it feasible to grow the thick Ni-P coating containing the proper phosphorus for HER. (C) 2003 Elsevier Science B.V. All rights reserved.
KeywordElectrodeposition Metals Alloys Ni-p Ammonium Hydrogen Evolution Coating Catalyst
SubtypeArticle
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
DOI10.1016/S0167-577X(03)00097-1
URL查看原文
Indexed BySCI
Language英语
WOS KeywordHYDROGEN EVOLUTION REACTION ; NICKEL ELECTRODES ; ELECTROCATALYSIS ; MORPHOLOGIES ; DEPOSITS
WOS Research AreaMaterials Science ; Physics
WOS SubjectMaterials Science, Multidisciplinary ; Physics, Applied
WOS IDWOS:000184050700027
Citation statistics
Cited Times:19[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5278
Collection研究所(批量导入)
AffiliationChinese Acad Sci, Inst Proc Engn, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Li, LC,Zhang, Y,Deng, SA,et al. Effect of ammonium on low-temperature electrodeposition of Ni-P alloys[J]. MATERIALS LETTERS,2003,57(22-23):3444-3448.
APA Li, LC,Zhang, Y,Deng, SA,&Chen, YL.(2003).Effect of ammonium on low-temperature electrodeposition of Ni-P alloys.MATERIALS LETTERS,57(22-23),3444-3448.
MLA Li, LC,et al."Effect of ammonium on low-temperature electrodeposition of Ni-P alloys".MATERIALS LETTERS 57.22-23(2003):3444-3448.
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