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| Electrochemical behaviors of nickel and magnesium in TEBAC-GL ionic liquid analogues |
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Received:March 20, 2017
Revised:March 24, 2017
Accepted:March 27, 2017
Published Online:December 01, 2017
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| DOI： |
| KeyWord:magnesium-nickel alloys; ionic liquid analogues;electrodeposition;TEBAC-GL |
| Author | Institution |
| LU Dong-hui |
Faculty of Metallurgical and Energy Engineering Kunming University of Science and Technology |
| XUN Cun-ying |
Faculty of Metallurgical and Energy Engineering Kunming University of Science and Technology |
| LEI Zhen |
Faculty of Metallurgical and Energy Engineering Kunming University of Science and Technology |
| NIU Ping-zhao |
Faculty of Metallurgical and Energy Engineering Kunming University of Science and Technology |
| LV Dong-liang |
Faculty of Metallurgical and Energy Engineering Kunming University of Science and Technology |
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| Abstract: |
| The electrochemical behaviors of Ni(II) and Mg(II) ions at a glassy carbon electrode in TEBAC-GL (1:3) ionic liquid analogues were studied. It is found that the reduction of Ni(II) on a glassy carbon electrode is a diffusion-controlled process and the diffusion coefficient of Ni(II) was 7.864′10-8 cm2?s-1. In addition, Mg can’t be reduced alone, but can co-deposited with Ni under the inducement effect of Ni(II) in this solvent. The co-deposition of Ni-Mg alloys was investigated at Cu electrodes. Ni-Mg deposits containing up to 12.13% mass fraction Mg could be electrodeposited from TEBAC-GL ionic liquid analogues at cell voltage of 2.3 V, but the Mg content of these deposits decreased as the cell voltage was increased or decreased. |
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