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    Organic Acid Etching Strategy for Dendrite Suppression in Aqueous Zinc-Ion Batteries

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    Name:
    Organic.aenm202102797-Proof 21.Dec.2021.pdf
    Size:
    1.970Mb
    Format:
    PDF
    Description:
    Accepted manuscript
    Embargo End Date:
    2023-01-05
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    Type
    Article
    Authors
    Wang, Wenxi
    Huang, Gang cc
    Wang, Yizhou
    Cao, Zhen
    Cavallo, Luigi cc
    Hedhili, Mohamed N. cc
    Alshareef, Husam N. cc
    KAUST Department
    Material Science and Engineering Program
    Physical Science and Engineering (PSE) Division
    Materials Science and Engineering (MSE) Physical Science and Engineering Division King Abdullah University of Science and Technology (KAUST) Thuwal 23955–6900 Saudi Arabia
    KAUST Catalysis Center (KCC)
    Chemical Science Program
    Surface Science
    Date
    2022-01-05
    Embargo End Date
    2023-01-05
    Submitted Date
    2021-09-08
    Permanent link to this record
    http://hdl.handle.net/10754/675033
    
    Metadata
    Show full item record
    Abstract
    Aqueous zinc ion batteries (AZIBs) represent a promising technology for grid-scale energy storage due to their innate safety, low cost, and environmental friendliness. However, planar Zn foil intrinsically suffers from limited ion and electron transport pathways, poor wettability, and surface passivation, preventing the homogenous deposition of metallic Zn and poor durability of AZIBs. Herein, a 3D Zn foil with hierarchical porous architecture is developed through a facile non-aqueous organic acid etching strategy. The 3D Zn anode is pore-rich and cavity-rich, leading to significantly enhanced accessibility to aqueous electrolytes. Accordingly, this 3D Zn anode enables preferential plating of Zn in the porous texture with suppressed dendrite growth, as confirmed by ex situ scanning electron microscopy and finite element analysis. The cycle life of the 3D Zn anode is sustained over 930 and 1500 h at 4.0 mA cm−2-2.0 mAh cm−2 and 1.0 mA cm−2-1.0 mAh cm−2, respectively. Furthermore, the assembled 3D Zn and α-MnO2 full batteries demonstrate a prolonged cycle life of 3000 cycles with improved rate performance. The etching strategy using non-aqueous organic acid paves a new way to fabricate 3D metal anodes for Zn and other metal anode batteries.
    Citation
    Wang, W., Huang, G., Wang, Y., Cao, Z., Cavallo, L., Hedhili, M. N., & Alshareef, H. N. (2022). Organic Acid Etching Strategy for Dendrite Suppression in Aqueous Zinc-Ion Batteries. Advanced Energy Materials, 2102797. doi:10.1002/aenm.202102797
    Sponsors
    Research reported in this publication was supported by King Abdullah University of Science and Technology (KAUST). The computational work was completed on KAUST supercomputers.
    Publisher
    Wiley
    Journal
    Advanced Energy Materials
    DOI
    10.1002/aenm.202102797
    Additional Links
    https://onlinelibrary.wiley.com/doi/10.1002/aenm.202102797
    ae974a485f413a2113503eed53cd6c53
    10.1002/aenm.202102797
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Chemical Science Program; Material Science and Engineering Program; KAUST Catalysis Center (KCC)

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