中文版 | English
Title

Realizing Highly Reversible Zinc Anode via Controlled-current Pre-deposition

Author
Corresponding AuthorLi, Qi; Lin, Meng; Mai, Liqiang
Publication Years
2023-02-01
DOI
Source Title
EISSN
2575-0356
Abstract
Aqueous zinc ion batteries have been considered as the prominent candidate in the next-generation batteries for its low cost, safety and high theoretical capacity. Nonetheless, formation of zinc dendrites and side reactions at the electrode/electrolyte interface during the zinc plating/stripping process affect the cycling reversibility of the zinc anode. Regulation of the zinc plating/stripping process and realizing a highly reversible zinc anode is a great challenge. Herein, we applied a simple and effective approach of controlled-current zinc pre-deposition at copper mesh. At the current density of 40 mA cm(-2), where the electron/ion transfers are both continuous and balanced, the Zn@CM-40 electrode with the (002) crystal plane orientation and the compactly aligned platelet morphology was successfully obtained. Compared with the zinc foil, the Zn@CM-40 exhibits greatly enhanced reversibility in the repeated plating/stripping (850 h at 1 mA cm(-2)) for the symmetric battery test. A series of characterization techniques including electrochemical analyses, XRD, SEM and optical microscopy observation, were used to demonstrate the correlation between the structure of pre-deposited zinc layer and the cycling stability. The COSMOL Multiphysics modeling demonstrates a more uniform electric field distribution in the Zn@CM than the zinc foil due to the aligned platelet morphology. Furthermore, the significant improvement is also achieved in a Zn||MnO2 full battery with a high capacity-retention (87% vs 47.8%). This study demonstrates that controlled-current electrodeposition represents an important strategy to regulate the crystal plane orientation and the morphology of the pre-deposited zinc layer, hence leading to the highly reversible and dendrite-free zinc anode for high-performance zinc ion batteries.
Keywords
URL[Source Record]
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Language
English
SUSTech Authorship
Corresponding
Funding Project
National Natural Science Foundation of China["52072285","52127816","51872218"] ; National Key Research and Development Program of China[2020YFA0715000] ; Foshan Xianhu Laboratory of the Advanced Energy Science and Technology Guangdong Laboratory[XHT2020-003]
WOS Research Area
Materials Science
WOS Subject
Materials Science, Multidisciplinary
WOS Accession No
WOS:000935014300001
Publisher
Data Source
Web of Science
Citation statistics
Cited Times [WOS]:1
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/490011
DepartmentDepartment of Mechanical and Energy Engineering
Affiliation
1.Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Hubei, Peoples R China
2.Guangdong Lab, Foshan Xianhu Lab Adv Energy Sci & Technol, Foshan 528200, Peoples R China
3.Southern Univ Sci & Technol, Dept Mech & Energy Engn, Shenzhen 518055, Peoples R China
4.Southern Univ Sci & Technol, SUSTech Energy Inst Carbon Neutral, Shenzhen, Peoples R China
5.Southern Univ Sci & Technol, Shenzhen Key Lab Adv Energy Storage, Shenzhen 518055, Peoples R China
Corresponding Author AffilicationDepartment of Mechanical and Energy Engineering;  Southern University of Science and Technology
Recommended Citation
GB/T 7714
Chen, Xinghang,Li, Ming,Li, Qi,et al. Realizing Highly Reversible Zinc Anode via Controlled-current Pre-deposition[J]. ENERGY & ENVIRONMENTAL MATERIALS,2023.
APA
Chen, Xinghang.,Li, Ming.,Li, Qi.,Chen, Yuzhu.,Wu, Buke.,...&Mai, Liqiang.(2023).Realizing Highly Reversible Zinc Anode via Controlled-current Pre-deposition.ENERGY & ENVIRONMENTAL MATERIALS.
MLA
Chen, Xinghang,et al."Realizing Highly Reversible Zinc Anode via Controlled-current Pre-deposition".ENERGY & ENVIRONMENTAL MATERIALS (2023).
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