Metal recovery by electrodeposition from a molten salt two-phase cell system

Tazdin Amietszajew; Seetharaman Sridhar; Rohit Bhagat

doi:10.1149/2.0991609jes

Metal recovery by electrodeposition from a molten salt two-phase cell system

Tazdin Amietszajew, Seetharaman Sridhar, Rohit Bhagat

University of Warwick

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

259 Downloads (Pure)

Abstract

A novel electrochemical recovery method of Co, Cu, Mn and Ni from a reactor based on two immiscible molten phases, to enable selective metal plating, sufficient feedstock dissolution and protection from re-oxidation, was designed and characterized through voltammetry and chronoamperometry. The immiscible phases in the electrolytic cell were NaCl and Na₂O-2B₂O₃ at 1173 K, and the metal feedstock to be recovered was either metal chlorides or metal oxides of Co, Cu, Mn and Ni. Metals could be successfully recovered as plated metal deposits and the formal redox reaction potentials were reported. Metals thermodynamic behavior differences between the cells were analyzed. Analysis of the metal deposits showed that the recovered metals were of high purity (∼99%). This offers an alternative method to recycle valuable metals present in the growing e-waste stream.

Original language	English
Pages (from-to)	D515-D521
Number of pages	7
Journal	Journal of the Electrochemical Society
Volume	163
Issue number	9
DOIs	https://doi.org/10.1149/2.0991609jes
Publication status	Published - 19 Jul 2016
Externally published	Yes

Bibliographical note

Copyright © and Moral Rights are retained by the author(s) and/ or other copyright owners. A copy can be downloaded for personal non-commercial research or study, without prior permission or charge. This item cannot be reproduced or quoted extensively from without first obtaining permission in writing from the copyright holder(s). The content must not be changed in any way or sold commercially in any format or medium without the formal permission of the copyright holders.

Keywords

cyclic voltammetry
electrochemistry
electroplating
electroreduction
li-ion
metal recovery
molten salt
recycling
thermodynamics

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Renewable Energy, Sustainability and the Environment
Surfaces, Coatings and Films
Electrochemistry
Materials Chemistry

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1149/2.0991609jes

Post-PrintAccepted author manuscript, 1.83 MB

http://wrap.warwick.ac.uk/80428/

Cite this

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title = "Metal recovery by electrodeposition from a molten salt two-phase cell system",

abstract = "A novel electrochemical recovery method of Co, Cu, Mn and Ni from a reactor based on two immiscible molten phases, to enable selective metal plating, sufficient feedstock dissolution and protection from re-oxidation, was designed and characterized through voltammetry and chronoamperometry. The immiscible phases in the electrolytic cell were NaCl and Na2O-2B2O3 at 1173 K, and the metal feedstock to be recovered was either metal chlorides or metal oxides of Co, Cu, Mn and Ni. Metals could be successfully recovered as plated metal deposits and the formal redox reaction potentials were reported. Metals thermodynamic behavior differences between the cells were analyzed. Analysis of the metal deposits showed that the recovered metals were of high purity (∼99%). This offers an alternative method to recycle valuable metals present in the growing e-waste stream.",

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author = "Tazdin Amietszajew and Seetharaman Sridhar and Rohit Bhagat",

note = "Copyright {\textcopyright} and Moral Rights are retained by the author(s) and/ or other copyright owners. A copy can be downloaded for personal non-commercial research or study, without prior permission or charge. This item cannot be reproduced or quoted extensively from without first obtaining permission in writing from the copyright holder(s). The content must not be changed in any way or sold commercially in any format or medium without the formal permission of the copyright holders. ",

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doi = "10.1149/2.0991609jes",

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AU - Bhagat, Rohit

N1 - Copyright © and Moral Rights are retained by the author(s) and/ or other copyright owners. A copy can be downloaded for personal non-commercial research or study, without prior permission or charge. This item cannot be reproduced or quoted extensively from without first obtaining permission in writing from the copyright holder(s). The content must not be changed in any way or sold commercially in any format or medium without the formal permission of the copyright holders.

PY - 2016/7/19

Y1 - 2016/7/19

N2 - A novel electrochemical recovery method of Co, Cu, Mn and Ni from a reactor based on two immiscible molten phases, to enable selective metal plating, sufficient feedstock dissolution and protection from re-oxidation, was designed and characterized through voltammetry and chronoamperometry. The immiscible phases in the electrolytic cell were NaCl and Na2O-2B2O3 at 1173 K, and the metal feedstock to be recovered was either metal chlorides or metal oxides of Co, Cu, Mn and Ni. Metals could be successfully recovered as plated metal deposits and the formal redox reaction potentials were reported. Metals thermodynamic behavior differences between the cells were analyzed. Analysis of the metal deposits showed that the recovered metals were of high purity (∼99%). This offers an alternative method to recycle valuable metals present in the growing e-waste stream.

AB - A novel electrochemical recovery method of Co, Cu, Mn and Ni from a reactor based on two immiscible molten phases, to enable selective metal plating, sufficient feedstock dissolution and protection from re-oxidation, was designed and characterized through voltammetry and chronoamperometry. The immiscible phases in the electrolytic cell were NaCl and Na2O-2B2O3 at 1173 K, and the metal feedstock to be recovered was either metal chlorides or metal oxides of Co, Cu, Mn and Ni. Metals could be successfully recovered as plated metal deposits and the formal redox reaction potentials were reported. Metals thermodynamic behavior differences between the cells were analyzed. Analysis of the metal deposits showed that the recovered metals were of high purity (∼99%). This offers an alternative method to recycle valuable metals present in the growing e-waste stream.

KW - cyclic voltammetry

KW - electrochemistry

KW - electroplating

KW - electroreduction

KW - li-ion

KW - metal recovery

KW - molten salt

KW - recycling

KW - thermodynamics

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ER -

Metal recovery by electrodeposition from a molten salt two-phase cell system

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

UN SDGs

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Taz Amietszajew

Cite this

Metal recovery by electrodeposition from a molten salt two-phase cell system

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

UN SDGs

Access to Document

Other files and links

Fingerprint

Profiles

Taz Amietszajew

Cite this