NDLI: Functionalized Carbon Nanotube and $MnO_{2}$ Nanoflower Hybrid as an Electrode Material for Supercapacitor Application

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Functionalized Carbon Nanotube and $MnO_{2}$ Nanoflower Hybrid as an Electrode Material for Supercapacitor Application

Content Provider	MDPI
Author	Mothkuri, Sagar Gupta, Honey Jain, Pawan Rao, Tata Padmanabham, Gade Chakrabarti, Supriya
Copyright Year	2021
Description	Functionalized carbon nanotube (FCNT) and Manganese Oxide (MnO2) nanoflower hybrid material was synthesized using hydrothermal technique as a promising electrode material for supercapacitor applications. The morphological investigation revealed the formation of ‘nanoflower’ like structure of MnO2 connected with FCNT, thus paving an easy path for the conduction of electrons during the electrochemical mechanism. A significant improvement in capacitance properties was observed in the hybrid material, in which carbon nanotube acts as a conducting cylindrical path, while the major role of MnO2 was to store the charge, acting as an electrolyte reservoir leading to an overall improved electrochemical performance. The full cell electrochemical analysis of FCNT-MnO2 hybrid using 3 M potassium hydroxide (KOH) electrolyte indicated a specific capacitance of 359.53 F g−1, specific energy of 49.93 Wh kg−1 and maximum specific power of 898.84 W kg−1 at 5 mV s−1. The results show promise for the future of supercapacitor development based on hybrid electrode materials, where high specific energy can be achieved along with high specific power and long cycle life.
Starting Page	213
e-ISSN	2072666X
DOI	10.3390/mi12020213
Journal	Micromachines
Issue Number	2
Volume Number	12
Language	English
Publisher	MDPI
Publisher Date	2021-02-20
Access Restriction	Open
Subject Keyword	Micromachines Electrochemistry Fcnt-mno2 Hydrothermal Supercapacitor Specific Energy Specific Power
Content Type	Text
Resource Type	Article

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