Facile synthesis of mesoporouscobalt hexacyanoferrate nanocubes for high-performance supercapacitors

Zhiyong Zhang, Jian Gan Wang, Bingqing Wei

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

Mesoporous cobalt hexacyanoferrate nanocubes (meso–CoHCF) were prepared for the first time through a facile sacrificial template method. The CoHCF mesostructures possess a high specific surface area of 548.5 m2·g−1 and a large amount of mesopores, which enable fast mass transport of electrolyte and abundant energy storage sites. When evaluated as supercapacitor materials, the meso–CoHCF materials exhibit a high specific capacitance of 285 F·g−1, good rate capability and long cycle life with capacitance retention of 92.9% after 3000 cycles in Na2SO4 aqueous electrolyte. The excellent electrochemical properties demonstrate the rational preparation of mesoporous prussian blue and its analogues for energy storage applications.

Original languageEnglish
Article number228
JournalNanomaterials
Volume7
Issue number8
DOIs
StatePublished - 21 Aug 2017

Keywords

  • Electrode material
  • Mesostructure
  • Prussian blue
  • Supercapacitor

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