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投稿时间：2022-08-03 修订日期：2022-08-10
投稿时间：2022-08-03 修订日期：2022-08-10
中文摘要: 以1-丁基-3-甲基咪唑为添加剂，在MnSO4-(NH4)2SO4-H2O体系中电沉积金属锰，考察了电流密度、1-丁基-3-甲基咪唑浓度、硫酸铵用量、Mn2+浓度及槽电压对阴极锰沉积量和电流效率的影响，并采用XRD、SEM对沉积锰进行表征。结果表明，MnSO4-(NH4)2SO4-H2O体系电解锰，在温度40 ℃、Mn2+浓度35 g/L、硫酸铵浓度90 g/L、pH=7.5、电流密度364.58 A/m2、1-丁基-3-甲基咪唑用量0.12 g/L条件下，电流效率为79.60%，电流效率比SO2和SeO2的高，电沉积的锰为α-Mn。
中文关键词: 1-丁基-3-甲基咪唑 电沉积 锰 电流效率
Abstract:Manganese was electrodeposited in MnSO4-(NH4)2SO4-H2O system applying 1-butyl-3-methylimidazole as additive. Effects of current density, 1-butyl-3-methylimidazole concentration, ammonium sulfate dosage, Mn2+ mass concentration and cell voltage on cathode manganese deposition and current efficiency were investigated. The morphology of deposited manganese was characterized by XRD and SEM. The results show that in MnSO4-(NH4)2SO4-H2O system, the current efficiency is 79.60%, which is higher than that of SO2 and SeO2, under the optimum conditions including temperature of 40℃, Mn2+ mass concentration of 35 g/L, ammonium sulfate mass concentration 90 g/L, pH value of 7.5, current density of 364.58 A/m2, and 1-butyl-3-methylimidazole dosage of 0.12 g/L. The electrodeposited manganese is α-Mn.
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基金项目:贵州科学院省级科研专项资金资助项目（黔科院科专合字[2020]05号）
引用文本：
叶昌美,李武斌,黄健,张谊,胡志同,吴占新.1-丁基-3-甲基咪唑对电沉积锰的影响[J].有色金属（冶炼部分）,2022(12):29-33.
YE Chang-mei,LI Wu-bin,HUANG Jian,ZHANG Yi,HU Zhi-tong,WU Zhan-xin.Effects of 1-butyl-3-methylimidazole on Electrodeposition of Manganese[J].Nonferrous Metals (Extractive Metallurgy),2022(12):29-33.
叶昌美,李武斌,黄健,张谊,胡志同,吴占新.1-丁基-3-甲基咪唑对电沉积锰的影响[J].有色金属（冶炼部分）,2022(12):29-33.
YE Chang-mei,LI Wu-bin,HUANG Jian,ZHANG Yi,HU Zhi-tong,WU Zhan-xin.Effects of 1-butyl-3-methylimidazole on Electrodeposition of Manganese[J].Nonferrous Metals (Extractive Metallurgy),2022(12):29-33.
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