Proving insertion of Mg in Mn2O3 electrodes through a spectroelectrochemical study

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Title: Proving insertion of Mg in Mn2O3 electrodes through a spectroelectrochemical study
Authors: Miralles Gómez, Carmen | Gómez, Roberto
Research Group/s: Grupo de Fotoquímica y Electroquímica de Semiconductores (GFES)
Center, Department or Service: Universidad de Alicante. Departamento de Química Física | Universidad de Alicante. Instituto Universitario de Electroquímica
Keywords: Magnesium battery | Mn2O3 microcubes | UV–vis spectroelectrochemistry | Magnesium insertion | Organic electrolyte
Knowledge Area: Química Física
Issue Date: Sep-2019
Publisher: Elsevier
Citation: Electrochemistry Communications. 2019, 106: 106512. doi:10.1016/j.elecom.2019.106512
Abstract: The scarcity of lithium in the Earth's crust makes advisable to look for batteries alternative to those of Li-ion. Magnesium batteries are suitable candidates as this metal is abundant. In this context, Mn (III) oxide is a material that could be used for the insertion of magnesium ions. Mn2O3 thin electrodes were synthesized for the first time through a hydrothermal procedure followed by heat treatment. Through cyclic voltammetry (CV) and spectroelectrochemical (UV–vis) techniques together with ex situ XPS analysis, the effective insertion of magnesium in the Mn2O3 lattice is demonstrated, which means that this material could be used as a cathode in Mg batteries. Finally, the need for nanostructuring is highlighted for practical applications.
Sponsor: This work has been supported by the Spanish Ministry of Science, Innovation and Universities through projects MAT2015-71727 and RTI2018-102061-B-I00 (FONDOS FEDER). C.M. Is grateful to the Vicepresidency of Research and Innovation of the University of Alicante for the award of an FPU grant.
URI: http://hdl.handle.net/10045/95395
ISSN: 1388-2481 (Print) | 1873-1902 (Online)
DOI: 10.1016/j.elecom.2019.106512
Language: eng
Type: info:eu-repo/semantics/article
Rights: © 2019 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/BY-NC-ND/4.0/).
Peer Review: si
Publisher version: https://doi.org/10.1016/j.elecom.2019.106512
Appears in Collections:INV - GFES - Artículos de Revistas

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