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Construction of Vertical 2D Open Hierarchical NiCoS x Nanosheet Arrays for High-Performance Alkaline Zinc Batteries.

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Title: Construction of Vertical 2D Open Hierarchical NiCoS x Nanosheet Arrays for High-Performance Alkaline Zinc Batteries.
Authors: Huang, Junqing1,2 (AUTHOR), Liang, Xiaodong1,2 (AUTHOR), Zhang, Qian1,2 (AUTHOR), Ge, Luyang2 (AUTHOR), Pan, Jiangtao2 (AUTHOR), Long, Debing1 (AUTHOR), Bao, Xiyan2 (AUTHOR), Wu, Xiaolin1 (AUTHOR) wuxiaolin937@163.com, Wan, Houzhao2 (AUTHOR) houzhaow@hubu.edu.cn
Source: Nanomaterials (2079-4991). Jun2026, Vol. 16 Issue 12, p766. 17p.
Subjects: Electrode performance, Nanostructured materials, Nickel electrodes, Energy storage, Storage batteries, Electric batteries, Ion migration & velocity
Abstract: Alkaline nickel zinc batteries feature high safety, low cost and eco-friendly characteristics, making them highly promising for large-scale energy storage deployment. However, their practical application is severely constrained by the cathode's electrical conductivity, available active sites, and cycling stability. Herein, vertical 2D hierarchical flake-like NiCoSx arrays were in situ grown on nickel foam (NF) via a facile alkali-free solvothermal and in situ sulfidation approach. This highly interconnected and open porous flaky structure significantly shortens the ion diffusion pathways, exposes abundant redox-active sites, and accelerates electron transport, imparting excellent rate performance and superior long-cycle stability to the material. The optimized NiCoSx/NF electrode achieves a high specific capacity of 323 mAh g−1 at 0.5 A g−1, along with excellent capacity retention capability. Assembled with a commercial Zn anode, the NiCoSx/NF//Zn full battery delivers 124 mAh g−1 at 3 A g−1, and maintains 112.5% of the initial capacity after 500 cyclic tests. Moreover, the assembled NiCoSx/NF//Zn full cell possesses a high energy density of 615.2 Wh kg−1 along with a power density of 38.6 kW kg−1 (based on the mass of positive electrode active materials). This unique vertical 2D open hierarchical structure plays a crucial role in enhancing the electrochemical performance of cobalt sulfide cathodes and provides valuable insights for the design of high-performance alkaline zinc-based battery electrodes. [ABSTRACT FROM AUTHOR]
Copyright of Nanomaterials (2079-4991) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Label: Title
  Group: Ti
  Data: Construction of Vertical 2D Open Hierarchical NiCoS x Nanosheet Arrays for High-Performance Alkaline Zinc Batteries.
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  Data: <searchLink fieldCode="AR" term="%22Huang%2C+Junqing%22">Huang, Junqing</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liang%2C+Xiaodong%22">Liang, Xiaodong</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Qian%22">Zhang, Qian</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ge%2C+Luyang%22">Ge, Luyang</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Pan%2C+Jiangtao%22">Pan, Jiangtao</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Long%2C+Debing%22">Long, Debing</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Bao%2C+Xiyan%22">Bao, Xiyan</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wu%2C+Xiaolin%22">Wu, Xiaolin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> wuxiaolin937@163.com</i><br /><searchLink fieldCode="AR" term="%22Wan%2C+Houzhao%22">Wan, Houzhao</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> houzhaow@hubu.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Nanomaterials+%282079-4991%29%22">Nanomaterials (2079-4991)</searchLink>. Jun2026, Vol. 16 Issue 12, p766. 17p.
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  Data: <searchLink fieldCode="DE" term="%22Electrode+performance%22">Electrode performance</searchLink><br /><searchLink fieldCode="DE" term="%22Nanostructured+materials%22">Nanostructured materials</searchLink><br /><searchLink fieldCode="DE" term="%22Nickel+electrodes%22">Nickel electrodes</searchLink><br /><searchLink fieldCode="DE" term="%22Energy+storage%22">Energy storage</searchLink><br /><searchLink fieldCode="DE" term="%22Storage+batteries%22">Storage batteries</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+batteries%22">Electric batteries</searchLink><br /><searchLink fieldCode="DE" term="%22Ion+migration+%26+velocity%22">Ion migration & velocity</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Alkaline nickel zinc batteries feature high safety, low cost and eco-friendly characteristics, making them highly promising for large-scale energy storage deployment. However, their practical application is severely constrained by the cathode's electrical conductivity, available active sites, and cycling stability. Herein, vertical 2D hierarchical flake-like NiCoSx arrays were in situ grown on nickel foam (NF) via a facile alkali-free solvothermal and in situ sulfidation approach. This highly interconnected and open porous flaky structure significantly shortens the ion diffusion pathways, exposes abundant redox-active sites, and accelerates electron transport, imparting excellent rate performance and superior long-cycle stability to the material. The optimized NiCoSx/NF electrode achieves a high specific capacity of 323 mAh g−1 at 0.5 A g−1, along with excellent capacity retention capability. Assembled with a commercial Zn anode, the NiCoSx/NF//Zn full battery delivers 124 mAh g−1 at 3 A g−1, and maintains 112.5% of the initial capacity after 500 cyclic tests. Moreover, the assembled NiCoSx/NF//Zn full cell possesses a high energy density of 615.2 Wh kg−1 along with a power density of 38.6 kW kg−1 (based on the mass of positive electrode active materials). This unique vertical 2D open hierarchical structure plays a crucial role in enhancing the electrochemical performance of cobalt sulfide cathodes and provides valuable insights for the design of high-performance alkaline zinc-based battery electrodes. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Nanomaterials (2079-4991) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.3390/nano16120766
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 17
        StartPage: 766
    Subjects:
      – SubjectFull: Electrode performance
        Type: general
      – SubjectFull: Nanostructured materials
        Type: general
      – SubjectFull: Nickel electrodes
        Type: general
      – SubjectFull: Energy storage
        Type: general
      – SubjectFull: Storage batteries
        Type: general
      – SubjectFull: Electric batteries
        Type: general
      – SubjectFull: Ion migration & velocity
        Type: general
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      – TitleFull: Construction of Vertical 2D Open Hierarchical NiCoS x Nanosheet Arrays for High-Performance Alkaline Zinc Batteries.
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              M: 06
              Text: Jun2026
              Type: published
              Y: 2026
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