Electrodeposition of less-noble metals and alloys from organic solvents

2015 Fiscal Year Final Research Report

• Project/Area Number: 26630378
• Research Category: Grant-in-Aid for Challenging Exploratory Research
• Allocation Type: Multi-year Fund
• Research Field: Metal making/Resorce production engineering
• Research Institution: Nagoya University
• Principal Investigator: OKIDO Masazumi 名古屋大学, 未来材料・システム研究所, 教授 (50126843)
• Project Period (FY): 2014-04-01 – 2016-03-31
• Keywords: 卑金属 / アルミニウム / 電解析出 / ジメチルスルホン / 電気化学 / 非水溶媒

Outline of Final Research Achievements

The processing of electrowinning and electroplating for less noble metals as Al and Mg are impossible in aqueous solutions. Electrochemical and electrodeposition behaviors were examined in various aprotonic solvents. Metal chrolide solbility to dimethylsulfone bath is Al：more than 40 (mol%)，Zr：20，Mg, Li：10，Nd, La：less than 1, respectiveely.
It was confirmed that Al electrodeposited in dimethylsulfone bath. However, other less noble metals didn't deposit. Extraction of Al from the dimethylsulfone bath containing impurity such as Mg, Li is suggested.

Free Research Field

材料工学