Author/Authors :
Abbas-Ali Malek Barmi، نويسنده , , Abbas-Ali and Aghazadeh، نويسنده , , Mustafa and Arhami، نويسنده , , Behzad and Shiri، نويسنده , , Hamid Mohammad and Fazl، نويسنده , , Alireza Amini and Jangju، نويسنده , , Esmaeil، نويسنده ,
Abstract :
High surface area Co(OH)2 nanosheets were prepared via cathodic electrodeposition and their electrochemical performance was investigated using cyclic voltammetry and charge–discharge tests. A specific capacitance as high as 1047.3 F g−1 was obtained in aqueous 1 M KOH within the potential range of −0.3 to 0.5 V (vs. Ag/AgCl) at the scan rate of 10 mV s−1, suggesting the potential application of the prepared nanosheets in electrochemical supercapacitors. Result of this Letter showed that galvanostatic cathodic electrodeposition can be recognized as a facile method for the preparation of porous and high surface area Co(OH)2 sheets.
