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http://dx.doi.org/10.7234/composres.2021.34.6.345

Facile Electrodeposition Technique for the Fabrication of MoP Cathode for Supercapacitor Application  

Samanta, Prakas (Surface Engineering & Tribology Division, Council of Scientific and Industrial Research-Central Mechanical Engineering Research Institute)
Ghosh, Souvik (Surface Engineering & Tribology Division, Council of Scientific and Industrial Research-Central Mechanical Engineering Research Institute)
Murmu, Naresh Chandra (Surface Engineering & Tribology Division, Council of Scientific and Industrial Research-Central Mechanical Engineering Research Institute)
Lee, Joong Hee (Department of Nano Convergence Engineering, Jeonbuk National University)
Kuila, Tapas (Surface Engineering & Tribology Division, Council of Scientific and Industrial Research-Central Mechanical Engineering Research Institute)
Publication Information
Composites Research / v.34, no.6, 2021 , pp. 345-349 More about this Journal
Abstract
The continued environmental pollution caused by fossil fuel consumption has prompted researchers around the world to develop environmentally friendly energy technologies. Electrochemical energy storage is the significant area of research in this development process, and the research significance of supercapacitors in this field is increasing. Herein, a simple electrodeposition synthetic route was explored to develop the MoP layered cathode material. The layered structure provided a highly ion-accessible surface for smooth and faster ion adsorption/desorption. After Fe was doped into MoP, the morphology of MoP changes and the electrochemical performance was significantly improved. Specific capacitance value of the binder-free FeMoP electrode was found to be 269 F g-1 at 2 A g-1 current density in 6 M aqueous KOH electrolyte. After adding Fe to MoP, an additional redox contribution was observed in the redox conversion from Fe3+ to Fe2+ redox pair, and the charge transfer kinetics of MoP was effectively improved. This research can provide guidance for the development of supercapacitor electrode materials through simple electrodeposition technology.
Keywords
MoP; Supercapacitor; Electrochemistry; Electrodeposition;
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