Get 20M+ Full-Text Papers For Less Than $1.50/day. Start a 14-Day Trial for You or Your Team.

Learn More →

Facile synthesis of spinel nickel–manganese cobaltite nanoparticles with high rate capability and excellent cycling performance for supercapacitor electrodes

Facile synthesis of spinel nickel–manganese cobaltite nanoparticles with high rate capability and... Nickel- and manganese-based spinel compounds have emerged as important candidates for electrochemical energy storage. In this study, a spinel nickel–manganese cobaltite (s-NMC) material was synthesized by facile hydrothermal/calcination route and the material exhibited remarkable pseudocapacitive behavior performance. The synthesized s-NMC material had a specific capacitance of 418.3 F g−1 at a scan rate of 10 mV s−1 (216.2 F g−1 at a current density of 1 A g−1) and retained 95% of its specific capacitance after 5000 charge–discharge cycles at a current density of 2 A g−1. These excellent electrochemical properties are attributed to the simultaneous presence of three transition metals in the s-NMC material. The asymmetric supercapacitor device using s-NMC delivered a maximum specific energy density of 16.58 Wh kg−1 at a specific power density of 825 W kg−1 and maintains of ∼97% specific capacitance after 2000 cycles at a current density of 2 A g−1. This study highlights that the diversification of transition metals in spinel-based metal oxides is an effective approach to enhance the electrochemical performances in resulting compound materials.Graphical abstract[graphic not available: see fulltext] http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Applied Electrochemistry Springer Journals

Facile synthesis of spinel nickel–manganese cobaltite nanoparticles with high rate capability and excellent cycling performance for supercapacitor electrodes

Download PDF
15 pages

Loading next page...
 
/lp/springer-journals/facile-synthesis-of-spinel-nickel-manganese-cobaltite-nanoparticles-XYbPd0ePKs

References (76)

Publisher
Springer Journals
Copyright
Copyright © The Author(s), under exclusive licence to Springer Nature B.V. 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
ISSN
0021-891X
eISSN
1572-8838
DOI
10.1007/s10800-023-01907-x
Publisher site
See Article on Publisher Site

Abstract

Nickel- and manganese-based spinel compounds have emerged as important candidates for electrochemical energy storage. In this study, a spinel nickel–manganese cobaltite (s-NMC) material was synthesized by facile hydrothermal/calcination route and the material exhibited remarkable pseudocapacitive behavior performance. The synthesized s-NMC material had a specific capacitance of 418.3 F g−1 at a scan rate of 10 mV s−1 (216.2 F g−1 at a current density of 1 A g−1) and retained 95% of its specific capacitance after 5000 charge–discharge cycles at a current density of 2 A g−1. These excellent electrochemical properties are attributed to the simultaneous presence of three transition metals in the s-NMC material. The asymmetric supercapacitor device using s-NMC delivered a maximum specific energy density of 16.58 Wh kg−1 at a specific power density of 825 W kg−1 and maintains of ∼97% specific capacitance after 2000 cycles at a current density of 2 A g−1. This study highlights that the diversification of transition metals in spinel-based metal oxides is an effective approach to enhance the electrochemical performances in resulting compound materials.Graphical abstract[graphic not available: see fulltext]

Journal

Journal of Applied Electrochemistry – Springer Journals

Published: Nov 1, 2023

Keywords: Supercapacitor; Pseudocapacitance; Good rate capacity; Excellent cycling performance

There are no references for this article.