Insight into the effect of intercalated alkaline cations of layered manganese oxides on the oxygen reduction reaction and oxygen evolution reaction

Soracha Kosasang; Nattapol Ma; Phatsawit Wuamprakhon; Nutthaphon Phattharasupakun; Thana Maihom; Jumras Limtrakul; Montree Sawangphruk

doi:10.1039/C8CC03775B

Insight into the effect of intercalated alkaline cations of layered manganese oxides on the oxygen reduction reaction and oxygen evolution reaction†

Soracha Kosasang,^a Nattapol Ma,^a Phatsawit Wuamprakhon,^a Nutthaphon Phattharasupakun,^a Thana Maihom,

^abc Jumras Limtrakul^ac and Montree Sawangphruk

*^a

Author affiliations

* Corresponding authors

^a Department of Chemical and Biomolecular Engineering, School of Energy Science and Engineering, Vidyasirimedhi Institute of Science and Technology, Rayong 21210, Thailand
E-mail: montree.s@vistec.ac.th

^b Department of Chemistry, Faculty of Liberal Arts and Science, Kasetsart University, Kamphaeng Saen Campus, Nakhon Pathom 73140, Thailand

^c Laboratory for Computational and Applied Chemistry, Department of Chemistry, Faculty of Science and Center for Advanced Studies in Nanotechnology and Its Applications in Chemical, Food and Agricultural Industries, Kasetsart University, Bangkok 10900, Thailand

Abstract

The effect of the intercalated alkaline cations between the adjacent layers of multilayered manganese oxide (MnO_x) towards the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) was investigated. Li–MnO_x, Na–MnO_x, K–MnO_x, Rb–MnO_x, and Cs–MnO_x provide OER overpotentials of 1.64, 1.70, 1.79, 1.83, and 1.84 V vs. RHE, respectively as well as ORR overpotentials of 0.71, 1.06, 1.13, 1.15, and 1.14 V vs. RHE, respectively. Li–MnO_x shows the highest bifunctional catalytic activity towards both the ORR and OER. In addition, the Gibbs free energy change of *OH adsorption is found to be the largest throughout the reaction pathways determining the rate of the whole ORR and OER.

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DOI: https://doi.org/10.1039/C8CC03775B
Article type: Communication
Submitted: 10 May 2018
Accepted: 21 May 2018
First published: 21 May 2018

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Chem. Commun., 2018,54, 8575-8578

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Insight into the effect of intercalated alkaline cations of layered manganese oxides on the oxygen reduction reaction and oxygen evolution reaction

S. Kosasang, N. Ma, P. Wuamprakhon, N. Phattharasupakun, T. Maihom, J. Limtrakul and M. Sawangphruk, Chem. Commun., 2018, 54, 8575 DOI: 10.1039/C8CC03775B

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Chemical Communications

Insight into the effect of intercalated alkaline cations of layered manganese oxides on the oxygen reduction reaction and oxygen evolution reaction†

Abstract

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Insight into the effect of intercalated alkaline cations of layered manganese oxides on the oxygen reduction reaction and oxygen evolution reaction

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