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首页> 外文期刊>Materials Chemistry and Physics >Mechanistic study of Al electrodeposition from EMIC-AlCl3 and BMIC-AlCl3 electrolytes at low temperature
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Mechanistic study of Al electrodeposition from EMIC-AlCl3 and BMIC-AlCl3 electrolytes at low temperature

机译：Mechanistic study of Al electrodeposition from EMIC-AlCl3 and BMIC-AlCl3 electrolytes at low temperature

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摘要

Aluminum was electrodeposited from two different ionic liquid electrolytes namely; 1-ethy1-3-methylimidazolicum chloride and AlCl3 (EMIC-AlCl3) and 1-butyl-3-methylimidazolium chloride (BMIC-AlCl3) at 90 2 C. Nodular morphology of aluminum was obtained at the copper substrate. To evaluate the reaction mechanism, chronoamperometric study was adopted. From the chronoamperometric analysis, it was observed that the reaction was controlled by instantaneous three-dimensional diffusion process. The diffusion coefficient (D) of Al2C7- was found to be 5.2-6.6 x 10(-11) m(2) s(-1) and 2.2 x 10(-11) m(2) s(-1) for EMIC-AlC13 and BMIC-AlC13 ionic liquid electrolytes, respectively. The nuclei density of electrodeposited aluminum on the copper was also confirmed by scanning electron microscope wherein uniformly distributed aluminum nodules were observed. (C) 2013 Elsevier B.V. All rights reserved.

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