Affordable Access

Access to the full text

Self-assembled Prussian blue–polypyrrole nanocomposites for energy storage application

Authors
  • Lee, Pui Kee1
  • Nia, Pooria Moozarm2
  • Woi, Pei Meng1, 3
  • 1 University of Malaya, Department of Chemistry, Kuala Lumpur, 50603, Malaysia , Kuala Lumpur (Malaysia)
  • 2 University Technology Malaysia Kuala Lumpur, Center of Hydrogen Energy (CHE), Kuala Lumpur, 54100, Malaysia , Kuala Lumpur (Malaysia)
  • 3 University of Malaya, University Malaya Centre of Ionic Liquids (UMCiL), Kuala Lumpur, 50603, Malaysia , Kuala Lumpur (Malaysia)
Type
Published Article
Journal
Journal of Applied Electrochemistry
Publisher
Springer Netherlands
Publication Date
Apr 24, 2019
Volume
49
Issue
6
Pages
631–638
Identifiers
DOI: 10.1007/s10800-019-01310-5
Source
Springer Nature
Keywords
License
Yellow

Abstract

AbstractThe Prussian blue and polypyrrole nanocomposite (PB–PPy) was synthesised by a facile spontaneous self-assembly (SA) procedure through the layering of multiple sequential absorptions of FeCl3–K3[Fe(CN)6] and pyrrole. The morphology of PB–PPy nanocomposite was rough and irregular, whereas the PB nanocubes (used as experimental control) had a diameter of about 40 nm which were formed using the SA method. The intercalation pseudocapacitive mechanism occurs when potassium ions were inserted to the PB framework. The electrochemical behaviour and areal capacitance of PB–PPy were compared with pristine PB. The “knee frequency” was only present in the Nyquist plot of PB–PPy. The result revealed that the PPy significantly improved the capacitance of pristine PB and this made PB–PPy as a promising candidate for supercapacitors. The specific areal capacitance of PB–PPy was at least ten times higher than pristine PB.Graphical abstract

Report this publication

Statistics

Seen <100 times