화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.94, 292-301, February, 2021
DOI10.1016/j.jiec.2020.10.045  Export Citation
Multi-wall carbon nanotubes decorated MnCo2O4.5 hexagonal nanoplates with enhanced electrochemical behavior for high-performance electrochemical capacitors
Jai Bhagwan, Sk. Khaja Hussain, B.N. Vamsi Krishna, and Jae Su Yu†
  • Department of Electronic Engineering, Institute for Wearable Convergence Electronics, Kyung Hee University, 1 Seocheon-dong, Giheung-gu, Yongin-si, Gyeonggi-do 446-701, Republic of Korea
E-mail:
The MnCo2O4.5 hexagonal nanoplates and multi-wall carbon nanotube (MWCNT)@MnCo2O4.5 composite were prepared via a rapid and low-cost co-precipitation method. The prepared materials were characterized by various characterization techniques and used as an electrode for supercapacitors. The specific capacitance values of 451 and 1292 F g-1 were obtained from MnCo2O4.5 and [email protected], respectively at 1 A g-1. Furthermore, [email protected]//AC-based device indicated the higher energy density value of 33 Wh kg-1 at the power density of 362.5 W kg-1 under the current density of 0.5 A g-1. The practical electronic application of the device was tested by powering twelve light-emitting diodes, a digital watch and a motor fan. From the results of the MnCo2O4.5 with MWCNTs, the MnCo2O4.5 is expected to be a potential viable material for high-performance electrochemical capacitors.
Keywords:MnCo2O4.5 hexagonal nanoplates;MWCNTs;Electrochemical capacitors;Energy density and power density
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