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Electrospun manganese sesquioxide as cathode for aqueous zinc ion battery with high-rate performance and long cycle life

  • Lukuan Cheng
  • , Yan Wu
  • , Shuailong Guo
  • , Yao Liu
  • , Wenzheng Li
  • , Qingjiang Liu
  • , Funian Mo*
  • , Suzhu Yu
  • , Yan Huang
  • , Jun Wei
  • *Corresponding author for this work
  • Harbin Institute of Technology Shenzhen
  • Harbin Institute of Technology (Shenzhen)
  • City University of Hong Kong

Research output: Contribution to journalArticlepeer-review

Abstract

Different MnOx fibers have been fabricated through electrospinning method, in which their composition and structure can be modulated through adjusting the precursor solution and processing parameters conveniently. Moreover, they are reinforced with carbon nanotubes (CNTs) to increase electrical conductivity. Mn2O3 cathode formed at 500 °C exhibits excellent rate performance (∼153 mAh g−1 at a high current density of 5 A g−1), outperforming many reported manganese Mn2O3 cathode materials. Moreover, it displays satisfactory cyclic performance (∼104 mAh g−1 at 2 A g−1 after 1000 cycles). These results suggest 3D Mn2O3 fibers prepared through electrospinning has great potential as cathode for next generation ZIBs.

Original languageEnglish
Article number132920
JournalMaterials Letters
Volume327
DOIs
StatePublished - 15 Nov 2022
Externally publishedYes

Keywords

  • Electrospinning
  • Energy storage and conversion
  • Fibre technology
  • Manganese sesquioxide

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