4.8 Article

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

Journal

NANOSCALE
Volume 10, Issue 12, Pages 5442-5448

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c7nr09682h

Keywords

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Funding

  1. National Natural Science Foundation of China [61704076, 11674140]
  2. Natural Science Foundation of Jiangsu Province [BK20171018]
  3. Nanjing Tech Start-Up Grant [3983500150]
  4. Jiangsu Specially-Appointed Professor program [54935012]
  5. Singapore Ministry of Education Academic Research Fund (AcRF) Tier 1 [RG10/16, RG111/15]
  6. Singapore Ministry of Education Academic Research Fund (AcRF) Tier 2 [MOE2016-T2-2-004]

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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 mWh cm(-3) with outstanding mechanical stability under repeated bending conditions.

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