Anode corrosion in aqueous Zn metal batteries

Given their low cost and intrinsic safety, aqueous Zn metal batteries (AZMBs) are drawing increasing attention in the field of smart grids and large-scale energy storage. However, the Zn metal anode in aqueous electrolyte suffers from a critical issue, corrosion, which must be fully addressed before...

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Main Authors: Zhao Cai, Jindi Wang, Yongming Sun
Format: Article
Language:English
Published: KeAi Communications Co. Ltd. 2023-02-01
Series:eScience
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2667141723000034
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author Zhao Cai
Jindi Wang
Yongming Sun
author_facet Zhao Cai
Jindi Wang
Yongming Sun
author_sort Zhao Cai
collection DOAJ
description Given their low cost and intrinsic safety, aqueous Zn metal batteries (AZMBs) are drawing increasing attention in the field of smart grids and large-scale energy storage. However, the Zn metal anode in aqueous electrolyte suffers from a critical issue, corrosion, which must be fully addressed before the practical implementation of AZMBs. In this perspective, the mechanisms of aqueous Zn metal anode corrosion in both alkaline and neutral electrolytes are compared and discussed. The methods for studying the corrosion processes and the strategies for Zn corrosion protection in AZMBs are also summarized. Finally, some expectations about potential research directions for making corrosion-resistant AZMBs a commercial reality are provided.
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spelling doaj.art-bc24f4811577469c9c374aa367af09a92023-02-25T04:10:03ZengKeAi Communications Co. Ltd.eScience2667-14172023-02-0131100093Anode corrosion in aqueous Zn metal batteriesZhao Cai0Jindi Wang1Yongming Sun2Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China; Faculty of Materials Science and Chemistry, China University of Geosciences (Wuhan), Wuhan 430074, ChinaWuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China; Institute of New Energy on Chemical Storage and Power Sources, College of Applied Chemistry and Environmental Engineering, Yancheng Teachers University, Yancheng 224000, ChinaWuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China; Corresponding author.Given their low cost and intrinsic safety, aqueous Zn metal batteries (AZMBs) are drawing increasing attention in the field of smart grids and large-scale energy storage. However, the Zn metal anode in aqueous electrolyte suffers from a critical issue, corrosion, which must be fully addressed before the practical implementation of AZMBs. In this perspective, the mechanisms of aqueous Zn metal anode corrosion in both alkaline and neutral electrolytes are compared and discussed. The methods for studying the corrosion processes and the strategies for Zn corrosion protection in AZMBs are also summarized. Finally, some expectations about potential research directions for making corrosion-resistant AZMBs a commercial reality are provided.http://www.sciencedirect.com/science/article/pii/S2667141723000034Aqueous batteriesZn metal anodeChemical oxidationElectrochemical hydrogen evolutionCorrosion mechanismSurface protection
spellingShingle Zhao Cai
Jindi Wang
Yongming Sun
Anode corrosion in aqueous Zn metal batteries
eScience
Aqueous batteries
Zn metal anode
Chemical oxidation
Electrochemical hydrogen evolution
Corrosion mechanism
Surface protection
title Anode corrosion in aqueous Zn metal batteries
title_full Anode corrosion in aqueous Zn metal batteries
title_fullStr Anode corrosion in aqueous Zn metal batteries
title_full_unstemmed Anode corrosion in aqueous Zn metal batteries
title_short Anode corrosion in aqueous Zn metal batteries
title_sort anode corrosion in aqueous zn metal batteries
topic Aqueous batteries
Zn metal anode
Chemical oxidation
Electrochemical hydrogen evolution
Corrosion mechanism
Surface protection
url http://www.sciencedirect.com/science/article/pii/S2667141723000034
work_keys_str_mv AT zhaocai anodecorrosioninaqueousznmetalbatteries
AT jindiwang anodecorrosioninaqueousznmetalbatteries
AT yongmingsun anodecorrosioninaqueousznmetalbatteries