Aqueous Rechargeable Battery Based on Zinc and a Composite of LiNi1/3Co1/3Mn1/3O2

Faxing Wang, Yu Liu, Xiaowei Wang, Zheng Chang, Yuping Wu, Rudolf Holze

Research output: Contribution to journalArticlepeer-review

63 Scopus citations

Abstract

A composite of rod-shaped LiNi1/3Co1/3Mn1/3O2 with graphene nanosheets and multiwall carbon nanotubes (MWCNTs) is assembled by using a hydrothermal method. In the composite, LiNi1/3Co1/3Mn1/3O2 and MWCNTs are wrapped into graphene nanosheets. It exhibits better rate capability in comparison with plain LiNi1/3Co1/3Mn1/3O2 as a positive electrode for an aqueous rechargeable battery, using zinc as the negative electrode. The average charge and discharge voltages of this aqueous rechargeable battery are 1.80 and 1.65V, respectively. Based on the total weight of the electrode materials of the composite and Zn, its energy density can reach 154Whkg-1, which is comparable with that of Ni-MH batteries. Its cycling behavior is satisfactory.

Original languageEnglish
Pages (from-to)1024-1030
Number of pages7
JournalChemElectroChem
Volume2
Issue number7
DOIs
StatePublished - 15 Jul 2015

Keywords

  • 1D rod structure
  • Aqueous rechargeable battery
  • Graphene
  • LiNiCoMnO
  • Zinc

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