Issue 80, 2015

Rational design of octahedron and nanowire CeO2@MnO2 core–shell heterostructures with outstanding rate capability for asymmetric supercapacitors

Abstract

Two kinds of novel CeO2@MnO2 nanostructures have been synthesized via a self-assembly strategy. The as-prepared CeO2 nanowire@MnO2 nanostructures exhibited unprecedented pseudocapacitance performance (255 F g−1) with outstanding rate capability. A new mechanism based on the synergistic effect between CeO2 and MnO2 was proposed to interpret this phenomenon. When assembled as an asymmetric supercapacitor, an energy density of 27.5 W h kg−1 with a maximum power density of 1.6 kW kg−1 was achieved for CeO2 nanowire@MnO2 nanostructures.

Graphical abstract: Rational design of octahedron and nanowire CeO2@MnO2 core–shell heterostructures with outstanding rate capability for asymmetric supercapacitors

Supplementary files

Article information

Article type
Communication
Submitted
13 May 2015
Accepted
03 Jul 2015
First published
03 Jul 2015

Chem. Commun., 2015,51, 14840-14843

Author version available

Rational design of octahedron and nanowire CeO2@MnO2 core–shell heterostructures with outstanding rate capability for asymmetric supercapacitors

S. J. Zhu, J. Q. Jia, T. Wang, D. Zhao, J. Yang, F. Dong, Z. G. Shang and Y. X. Zhang, Chem. Commun., 2015, 51, 14840 DOI: 10.1039/C5CC03976B

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