Issue 9, 2019
From the journal:

Chemical Communications

Effect of intercalated alkali ions in layered manganese oxide nanosheets as neutral electrochemical capacitors†

Nattapol Ma,a   Soracha Kosasang,a   Atiweena Krittayavathananon,a   Nutthaphon Phattharasupakun,a   Sathyamoorthi Sethuramana  and  Montree Sawangphruk ORCID logo *a  

* Corresponding authors

a Centre of Excellence for Energy Storage Technology (CEST), 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

Abstract

New insight into the influence of Li+, Na+, and K+ cations between adjacent layers of birnessite-type manganese oxides (MnOx) towards the intercalation/deintercalation charge storage mechanism as a neutral electrochemical capacitor (1 M Na2SO4) is demonstrated. These structural cations play a major role in both the kinetic electron transfer in a faradaic redox reaction and the accessibility of the compensating electrolyte ions. Li-MnOx shows the highest Mn utilization of 51% followed by Na-MnOx (40%) and K-MnOx (31%), respectively.

Graphical abstract: Effect of intercalated alkali ions in layered manganese oxide nanosheets as neutral electrochemical capacitors

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Article information

DOI
https://doi.org/10.1039/C8CC08198K
Article type
Communication
Submitted
15 Oct 2018
Accepted
27 Nov 2018
First published
27 Nov 2018

Chem. Commun., 2019,55, 1213-1216

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Effect of intercalated alkali ions in layered manganese oxide nanosheets as neutral electrochemical capacitors

N. Ma, S. Kosasang, A. Krittayavathananon, N. Phattharasupakun, S. Sethuraman and M. Sawangphruk, Chem. Commun., 2019, 55, 1213 DOI: 10.1039/C8CC08198K

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