4.6 Article

Rational design of Au-NiO hierarchical structures with enhanced rate performance for supercapacitors

Journal

JOURNAL OF MATERIALS CHEMISTRY A
Volume 1, Issue 24, Pages 7023-7026

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ta11396e

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Funding

  1. Scholarship Award for Excellent Doctoral Students
  2. Ministry of Education
  3. National Natural Science Foundation of China [21103046, 11274365]
  4. Hunan Provincial National Natural Science Foundation of China [11JJ7004]
  5. Hunan Provincial Innovation Foundation for Postgraduates [CX2012B125]

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Hierarchical structures consisting of highly conductive Au nanoparticles decorated on NiO nanostructures could significantly improve electrical conductivity. Herein, the Au-NiO composite exhibits greatly improved rate performance as pseudo-capacitors, and a high specific capacitance value of 619 F g(-1) at a high rate of 20 A g(-1), which is much higher than that of pure NiO electrodes (216 F g (1)).

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