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首页> 外文期刊>RSC Advances >Reversible electrodeposition and stripping of magnesium from solvate ionic liquid–tetrabutylammonium chloride mixtures
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Reversible electrodeposition and stripping of magnesium from solvate ionic liquid–tetrabutylammonium chloride mixtures

机译：来自溶剂化物离子液 - 四丁基氯化铵混合物的可逆电沉积和汽提镁

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摘要

The physicochemical properties of three new magnesium-containing solvate ionic liquids are reported. The solvation structures were analysed by Raman spectroscopy, revealing a solvent separated ion pair structure at room temperature. The reversible electrodeposition and stripping of magnesium from mixtures of these solvate ionic liquids and tetra- n -butylammonium chloride is described. The electrolytes are significantly less volatile than similar dilute electrolytes, even at elevated temperatures and the deposition current densities exceed 1 A dm ~(?2) at 80 °C. The influence of the chloride concentration on magnesium deposition was studied with cyclic voltammetry and chronopotentiometry. It was found that the stripping of magnesium is governed by two competing reactions, and the addition of tetrabutylammonium chloride to the solvate ionic liquids was necessary to prevent passivation and efficiently strip the deposited magnesium.
机译：报道了三种新的含镁溶剂化物离子液体的物理化学性质。通过拉曼光谱分析溶剂化结构，在室温下揭示溶剂分离的离子对结构。描述了来自这些溶剂化物离子液体和四丁基氯化铵的混合物的可逆电沉积和剥离镁。即使在升高的温度下，电解质也明显不如相似稀释电解质的挥发性，并且在80℃下沉积电流密度超过1 dm〜（Δ2）。用循环伏安法和时分时间研究氯化物浓度对镁沉积的影响。结果发现，镁的汽提是由两个竞争反应的控制，并且需要向溶剂化物离子液体加入四丁基氯化铵，以防止钝化和有效地铺设沉积的镁。

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