Effect of manganese doping on the electrochemical performance of MoS2 as a cathode material for rechargeable Zn-ion batteries

https://doi.org/10.31130/ud-jst.2025.23(9D).557E

Tóm tắt: 205 | PDF: 75

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Author

  • Huy Le-Quoc
    The University of Danang - University of Science and Technology, Vietnam
    Trang N.T.T
    The University of Danang - University of Science and Technology, Vietnam
    Duc Binh Luu
    The University of Danang - University of Science and Technology, Vietnam
    Thanh V. Hoang
    The University of Danang - University of Science and Technology, Vietnam
    Son L.V.T
    The University of Danang - University of Science and Education, Vietnam
    Kien Nguyen-Ba
    The University of Danang - University of Science and Technology, Vietnam
    Anh T. Vo
    The University of Danang - University of Science and Technology, Vietnam

Từ khóa:

Aqueous Zinc-ion batteries
MoS2
Mn doping
Rate performance stability

Tóm tắt

Aqueous zinc-ion batteries (AZIBs) show promise for grid-scale energy storage due to their intrinsic safety, environmental benign and low cost. Layered molybdenum disulfide (MoS2) is a potential cathode material for AZIBs. This study investigates the impact of manganese (Mn) doping on its electrochemical performance. Modifying the Mn doping ratio alters the MoS₂ structure, though X-ray diffraction confirms all samples show interlayer-expanded structure. Mn-MoS2-20 shows a significantly improved specific capacity of 170 mAh/g at 0.1 A/g, exceeding that of undoped MoS₂. Furthermore, Mn doping enhances the rate performance of MoS2. While cycling stability at 0.5 A/g and 2 A/g improves with Mn doping, capacity still fades, indicating further improvements in structural stability are needed. This study shown that by doping an appropriate Mn level into MoS2 structure would enhance the performance when applied as cathode material for AZIBs.

Tài liệu tham khảo

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Sep 30, 2025
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Cách trích dẫn
Le-Quoc, H., T. N.T.T, D. B. Luu, T. V. Hoang, S. L.V.T, K. Nguyen-Ba, và A. T. Vo. “Effect of Manganese Doping on the Electrochemical Performance of MoS2 As a Cathode Material for Rechargeable Zn-Ion Batteries”. Tạp Chí Khoa học Và Công nghệ - Đại học Đà Nẵng, vol 23, số p.h 9D, Tháng Chín 2025, tr 24-27, doi:10.31130/ud-jst.2025.23(9D).557E.

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