Dissolution and ionization of sodium superoxide in sodium–oxygen batteries

Jinsoo Kim; Hyeokjun Park; Byungju Lee; Won Mo Seong; Hee-Dae Lim; Youngjoon Bae; Haegyeom Kim; Won Keun Kim; Kyoung Han Ryu; Kisuk Kang

doi:10.1038/ncomms10670

Nature Communications (Feb 2016)

Dissolution and ionization of sodium superoxide in sodium–oxygen batteries

Jinsoo Kim,
Hyeokjun Park,
Byungju Lee,
Won Mo Seong,
Hee-Dae Lim,
Youngjoon Bae,
Haegyeom Kim,
Won Keun Kim,
Kyoung Han Ryu,
Kisuk Kang

Affiliations

Jinsoo Kim: Department of Materials Science and Engineering, Research Institute of Advanced Materials, Seoul National University
Hyeokjun Park: Department of Materials Science and Engineering, Research Institute of Advanced Materials, Seoul National University
Byungju Lee: Department of Materials Science and Engineering, Research Institute of Advanced Materials, Seoul National University
Won Mo Seong: Department of Materials Science and Engineering, Research Institute of Advanced Materials, Seoul National University
Hee-Dae Lim: Department of Materials Science and Engineering, Research Institute of Advanced Materials, Seoul National University
Youngjoon Bae: Department of Materials Science and Engineering, Research Institute of Advanced Materials, Seoul National University
Haegyeom Kim: Department of Materials Science and Engineering, Research Institute of Advanced Materials, Seoul National University
Won Keun Kim: Division of Automotive Research and Development, Environment and Energy Research Team, Hyundai Motor Company
Kyoung Han Ryu: Division of Automotive Research and Development, Environment and Energy Research Team, Hyundai Motor Company
Kisuk Kang: Department of Materials Science and Engineering, Research Institute of Advanced Materials, Seoul National University

DOI: https://doi.org/10.1038/ncomms10670
Journal volume & issue: Vol. 7, no. 1
pp. 1 – 9

Abstract

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Sodium-oxygen batteries are promising energy storage devices but the nature of their discharge products remains unresolved. Here, the authors reveal that the dissolution and ionization of sodium superoxide leads to the formation of other phases, which increases the charge overpotential of the cell.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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