Catalyst–Support Interaction in Polyaniline-Supported Ni3Fe Oxide to Boost Oxygen Evolution Activities for Rechargeable Zn-Air Batteries

Xiaohong Zou, Qian Lu, Mingcong Tang, Jie Wu, Kouer Zhang, Wenzhi Li, Yunxia Hu, Xiaomin Xu, Xiao Zhang, Zongping Shao, Liang An

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Ni3Fe oxide, with an average size of 3.5 ± 1.5 nm, was successfully deposited onto polyaniline (PANI) support through a solvothermal strategy followed by calcination. The catalyst–support interaction between Ni3Fe oxide and PANI can enhance the Ni-O covalency via the interfacial Ni-N bond. Ni3Fe oxide/PANI-assembled Zn-air batteries achieve superior cycling life for over 400 h at 10 mA cm−2 and a low charge potential of around 1.95 V.

Original languageEnglish
Article number6
JournalNano-Micro Letters
Volume17
Issue number1
DOIs
StatePublished - Dec 2025
Externally publishedYes

Keywords

  • Catalyst–support interaction
  • Heterointerface
  • Oxygen evolution reaction
  • Supported catalysts
  • Zn-air batteries

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