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Holey nickel hydroxide nanosheets for wearable solid-state fiber-supercapacitors

  • Peipei Shi
  • , Rong Chen
  • , Li Li
  • , Jianing An
  • , Li Hua
  • , Jinyuan Zhou
  • , Bin Liu
  • , Peng Chen
  • , Wei Huang
  • , Gengzhi Sun
  • Nanjing Tech University
  • Nanyang Technological University
  • Lanzhou University

Research output: Contribution to journalArticlepeer-review

55 Scopus citations

Abstract

Holey nickel hydroxide (Ni(OH)2) nanosheets with a mean thickness of 2 nm are facilely synthesized, and then embedded in carbon nanotube (CNT) scaffolds to construct a hybrid fiber electrode, which shows a high volumetric capacitance of 335.9 F cm-3 at 0.8 A cm-3 and superior rate performance. The hybrid supercapacitor made from the Ni(OH)2/CNT fiber can deliver a high specific capacitance of 24.8 F cm-3 and an energy density of 5.8 mW h cm-3 with outstanding mechanical stability under repeated bending conditions.

Original languageEnglish
Pages (from-to)5442-5448
Number of pages7
JournalNanoscale
Volume10
Issue number12
DOIs
StatePublished - 28 Mar 2018

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