articleEnergy & Environmental ScienceNov 22, 2023Closed access

Vacancy-rich Al-doped MnO 2 cathodes break the trade-off between kinetics and stability for high-performance aqueous Zn-ion batteries

YZYajun ZhaoSZShuoxiao ZhangYZYangyang ZhangJLJinrui LiangLRLongtao Ren

Nanyang Technological University · Beijing University of Chemical Technology · +1 more institution

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Abstract

A novel vacancy-rich, Al-doped MnO 2 cathode is proposed for AZIBs, showcasing 3D ion diffusion channels and excellent structural stability. It overcomes the trade-off between electrode kinetics and stability, delivering impressive rate performance and outstanding capacity retention.

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224
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Authors

8

Topics & keywords

Topics
Keywords
  • Vacancy defect
  • Cathode
  • Materials science
  • Kinetics
  • Doping
  • Diffusion
  • Ion
  • Aqueous solution
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