Preparation of Ni and Ni-Al Alloys from 2AlCl(3)/Et3NHCl Ionic Liquid by Electrodeposition
文献类型：期刊论文
| 作者 | Gao Li-Xia1,2; Wang Li-Na1; Qi Tao1; Yu Jiang2 |
| 刊名 | ACTA PHYSICO-CHIMICA SINICA
 |
| 出版日期 | 2012 |
| 卷号 | 28期号:1页码:111-120 |
| 关键词 | Ionic liquid Aluminum chloride/Triethylamine hydrochloride Constant potential Electrodeposition Nickel-aluminum alloy |
| ISSN号 | 1000-6818 |
| 通讯作者 | Qi, T |
| 英文摘要 | Nickel and nickel-aluminum alloy were successfully electrodeposited on Cu electrodes from 2: 1 molar ratio aluminum chloride (AlCl3)/triethylamine hydrochloride (Et3NHCl) ionic liquids containing Ni2+ by constant potential electrolysis. The nucleation mechanism of nickel electrodeposition on Cu was investigated by cyclic voltammograms and chronoamperometry. The mechanism and the influence of experimental conditions on the current efficiency and the surface morphology of nickel-aluminum alloy electrodeposition on Cu electrodes were studied. The electrodeposition of nickel on Cu electrodes was controlled by three-dimensional instantaneous nucleation with diffusion-controlled growth. The Ni-Al alloy composition did not become independent of the deposition charge until at least 3.0 C had been accumulated. The mechanism of Ni-Al alloy formation appears to involve the underpotential deposition of aluminum on the developing nickel deposit and alloy formation must be kinetically hindered because the aluminum content is always less than that predicted from theoretical considerations. The Ni-Al alloy that was obtained on the Cu electrode was dense, continuous, and well adherent when the deposition current was small and stationary. If these conditions were not met, a nodule surface morphology appeared. The current efficiency of the Ni-Al alloy electrodeposition was greater than 90% and the deposition composition was close to that of the Ni3Al alloy. |
| WOS标题词 | Science & Technology ; Physical Sciences |
| 类目[WOS] | Chemistry, Physical |
| 研究领域[WOS] | Chemistry |
| 关键词[WOS] | TEMPERATURE MOLTEN-SALT ; IN-SITU STM ; COBALT-ALUMINUM ALLOYS ; TERNARY ALLOYS ; NICKEL ; MELT ; NUCLEATION ; BEHAVIOR ; CO |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000299721900016 |
| 公开日期 | 2013-10-28 |
| 版本 | 出版稿 |
| 源URL | [http://ir.ipe.ac.cn/handle/122111/4307]  |
| 专题 | 过程工程研究所_湿法冶金清洁生产技术国家工程实验室 |
| 作者单位 | 1.Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China 2.Beijing Univ Chem Technol, Coll Chem Engn, Beijing 100029, Peoples R China |
| 推荐引用方式 GB/T 7714 | Gao Li-Xia,Wang Li-Na,Qi Tao,et al. Preparation of Ni and Ni-Al Alloys from 2AlCl(3)/Et3NHCl Ionic Liquid by Electrodeposition[J]. ACTA PHYSICO-CHIMICA SINICA,2012,28(1):111-120. |
| APA | Gao Li-Xia,Wang Li-Na,Qi Tao,&Yu Jiang.(2012).Preparation of Ni and Ni-Al Alloys from 2AlCl(3)/Et3NHCl Ionic Liquid by Electrodeposition.ACTA PHYSICO-CHIMICA SINICA,28(1),111-120. |
| MLA | Gao Li-Xia,et al."Preparation of Ni and Ni-Al Alloys from 2AlCl(3)/Et3NHCl Ionic Liquid by Electrodeposition".ACTA PHYSICO-CHIMICA SINICA 28.1(2012):111-120. |
入库方式： OAI收割
来源：过程工程研究所
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