Electrodeposition of Zn from Trimethyl propylammonium bis(trifluoromethylsulfonyl)imide Organic Molten Salt

Hiroaki YAMAMOTO; Hironobu KINOSHITA; Masahiro KIMURA; Hiroshi SHIRAI; Koichiro KOYAMA

doi:10.5796/electrochemistry.74.370

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Electrodeposition of Zn from Trimethyl propylammonium bis(trifluoromethylsulfonyl)imide Organic Molten Salt

Hiroaki YAMAMOTO, Hironobu KINOSHITA, Masahiro KIMURA, Hiroshi SHIRAI, Koichiro KOYAMA

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Keywords: Trimethyl Propylammonium Bis(trifluoromethylsulfonyl)imide, Electrodeposition, Zinc, Ethylene Glycol, Ionic Liquid

JOURNAL FREE ACCESS

2006 Volume 74 Issue 5 Pages 370-373

DOI https://doi.org/10.5796/electrochemistry.74.370

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Abstract

The electrodeposition of Zn from trimethyl propylammonium bis(trifluoromethylsulfonyl)imide (TMPATFSI) was investigated. Powdery zinc electrodeposits were obtained from the TMPATFSI-Zn (TFSI)₂ (80:20 mol%) bath at the constant potential of −1.7 V vs. Pt/I⁻, I₃⁻ and at the constant current density of 50–200 A m⁻². By the addition of ethylene glycol, however, the cathodic current density and the cathodic current efficiency for the Zn electrodeposition were increased; moreover, the metallic-colored zinc electrodeposits were obtained.

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