A dendrite-free and anticaustic Zn anode enabled by high current-induced reconstruction of the electrical double layer

Aqueous Zn-based batteries deliver thousands of cycles at high rates but poor recyclability at low rates. Herein, we reveal that this illogical phenomenon is attributed to the reconstructed electrode/electrolyte interface at high rates, wherein the condensed electrical double layer (EDL) and the tig...

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Bibliographic Details
Published inChemical communications (Cambridge, England) Vol. 59; no. 17; pp. 2437 - 244
Main Authors Cui, Yang-feng, Cao, Ren-fei, Du, Jia-yi, Zhuang, Zhen-bang, Xie, Zi-long, Wang, Qing-shuang, Bao, Di, Liu, Wan-qiang, Zhu, Yun-hai, Huang, Gang
Format Journal Article
LanguageEnglish
Published England Royal Society of Chemistry 23.02.2023
Subjects
Corrosion resistance
Electric double layer
Electrodes
Recyclability
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Summary:Aqueous Zn-based batteries deliver thousands of cycles at high rates but poor recyclability at low rates. Herein, we reveal that this illogical phenomenon is attributed to the reconstructed electrode/electrolyte interface at high rates, wherein the condensed electrical double layer (EDL) and the tightly absorbed Zn 2+ ions on the Zn electrode surface afford compact and corrosion-resistant Zn deposits. The densely textured and corrosion-resistant Zn anode was achieved by reconstructing the EDL structure via high current density, enabling durable battery performance.
Bibliography:Electronic supplementary information (ESI) available: The experimental methods, morphology characterizations, MD simulations, and electrochemical measurements. See DOI
https://doi.org/10.1039/d2cc06342e
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ISSN:1359-7345
1364-548X
1364-548X
DOI:10.1039/d2cc06342e