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A high surface area tunnel-type α-MnO2 nanorod cathode by a simple solvent-free synthesis for rechargeable aqueous zinc-ion batteries

  • Muhammad Hilmy Alfaruqi
  • , Saiful Islam
  • , Jihyeon Gim
  • , Jinju Song
  • , Sungjin Kim
  • , Duong Tung Pham
  • , Jeonggeun Jo
  • , Zhiliang Xiu
  • , Vinod Mathew
  • , Jaekook Kim

Research output: Contribution to journal › Article › peer-review

175 Scopus citations

Abstract

Tunnel-type α-MnO2 with a nanorod morphology was prepared via a simple solvent-free synthesis method for use in aqueous zinc-ion battery (ZIB). This synthesis method produced α-MnO2 with a high BET surface area of 153 m2 g-1. α-MnO2 electrode demonstrated remarkable zinc storage properties (first and second discharge capacities of 323 and 270 mAh g-1 at 16 mA g-1) with good capacity retentions and rate capability. After charging within only 60 s, the α-MnO2 nanorod cathode delivered a considerable discharge capacity of 115 mAh g-1 when cycled at current density of 16 mA g-1.

Original languageEnglish
Pages (from-to)64-68
Number of pages5
JournalChemical Physics Letters
Volume650
Early online dateApr 16 2016
DOIs
StatePublished - Apr 16 2016
Externally publishedYes

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