CuCoO2 electrodes for supercapacitor applications

•CuCoO2 specific capacitance was 274, 336, 342F/g at 10 mV/s from CV.•CuCoO2 specific capacitance was 208, 218, 250F/g at 0.5 A/g from GCD.•81.36% capacity was maintained after 5000 cycles in high current density. Transition metal oxides are best research materials used for energy saving in electroc...

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Bibliographic Details
Published in:Materials letters 2021-08, Vol.296, p.129930, Article 129930
Main Authors: Isacfranklin, M., Yuvakkumar, R., Ravi, G., Pannipara, Mehboobali, Al-Sehemi, Abdullah G., DhayalanVelauthapillai
Format: Article
Language:English
Subjects:
Capacitive retention
Charge discharge
Cyclic voltammetry
Electrodes
Energy storage
Materials science
Supercapacitors
Transition metal oxides
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Summary:•CuCoO2 specific capacitance was 274, 336, 342F/g at 10 mV/s from CV.•CuCoO2 specific capacitance was 208, 218, 250F/g at 0.5 A/g from GCD.•81.36% capacity was maintained after 5000 cycles in high current density. Transition metal oxides are best research materials used for energy saving in electrochemical supercapacitor applications. CuCoO2 electrodes are introduced for supercapacitor applications. The pristine and different variations of NaOH concentrations have been investigated. CuCoO2 electrode specific capacitance is 274, 336, 342F/g at 10 mV/s from CV and 208, 218, 250F/g at 0.5 A/g from GCD. 81.36% capacity has been maintained after 5000 cycles in high current density range. Therefore, these transition metal oxide CuCoO2 electrodes are very gifted for future energy storage applications.
ISSN:0167-577X
1873-4979
DOI:10.1016/j.matlet.2021.129930