Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/162164
Title: An analysis of the electrochemical mechanism of manganese oxides in aqueous zinc batteries
Authors: Sambandam, Balaji
Mathew, Vinod
Kim, Sungjin
Lee, Seulgi
Kim, Seokhun
Hwang, Jang Yeon
Fan, Hong Jin
Kim, Jaekook
Keywords: Science::Physics
Issue Date: 2022
Source: Sambandam, B., Mathew, V., Kim, S., Lee, S., Kim, S., Hwang, J. Y., Fan, H. J. & Kim, J. (2022). An analysis of the electrochemical mechanism of manganese oxides in aqueous zinc batteries. Chem, 8(4), 924-946. https://dx.doi.org/10.1016/j.chempr.2022.03.019
Journal: Chem
Abstract: Because of their high energy density, safety, eco-friendliness, and sustainability, aqueous rechargeable zinc batteries (ARZBs) have attracted burgeoning interests. Manganese oxide cathodes are particularly attractive because they are obtained from earth-abundant and non-toxic materials. However, the diversity of mechanisms that explain the electrochemistry with Zn metal anodes in mildly acidic media hinders ARZBs’ further development. In brief, a specific manganese oxide polymorph, typically MnO2, in mildly acidic electrolytes has been reported to exhibit different reaction mechanisms under similar electrochemical conditions. Moreover, the recently discussed dissolution/deposition process of MnO2 in both strong and mildly acidic electrolyte media has revolutionized the conventional intercalation chemistry. To this end, this perspective aims to clarify and seek possible convergence of the conflicting electrochemical mechanisms for mildly acidic Zn-MnO2 batteries. We also suggest future research directions and opportunities for commercialization that may evolve from the recently researched acid-alkaline Zn-MnO2 battery technologies.
URI: https://hdl.handle.net/10356/162164
ISSN: 2451-9308
DOI: 10.1016/j.chempr.2022.03.019
Rights: © 2022 Elsevier Inc. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:SPMS Journal Articles

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