4.6 Article

Facilely constructing 3D porous NiCo2S4 nanonetworks for high-performance supercapacitors

Journal

NEW JOURNAL OF CHEMISTRY
Volume 38, Issue 9, Pages 4045-4048

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c4nj00816b

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Funding

  1. National Natural Science Foundation of China [21101141, 51173170]
  2. Program for New Century Excellent Talents in Universities (NCET)
  3. Open Project Foundation of State Key Laboratory of Inorganic Synthesis and Preparation Chemistry of Jilin University [2012-13]

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Three-dimensional (3D) porous NiCO2S4 nanonetworks were fabricated on nickel foam (NF) through an anion exchange reaction between NiCo2O4 nanosheets (hydrothermally grown on NF) and Na2S, and showed a very high specific capacitance of 1501.2 F g(-1) at 1 A g(-1) (even 2.5 times higher than that of NiCo2O4 nanosheets) and robust cycling stability for supercapacitors.

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