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Electroproduction of cerium and CeCo alloy

Authors
Journal
Journal of the Less Common Metals
0022-5088
Publisher
Elsevier
Publication Date
Volume
120
Issue
2
Identifiers
DOI: 10.1016/0022-5088(86)90657-0

Abstract

Abstract Preparation of batches of 1–2 kg of cerium metal by electrowinning from a fused chloride bath is described. The metal is obtained in the molten state by electrolysis at temperatures above its melting point. Under optimum conditions arrived at in this work (temperature, 900 °C; concentration of CeCl 3 in the melt, 30–50 wt.%; cathode current density 18 A cm −2) a metal of purity 99% or more is obtained at a high current efficiency of 86%. An alloy of cerium and cobalt (56 wt.% Ce) was obtained by deposition of the metal on a cobalt cathode.

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