Browsing Research Articles (Physics) by Subject "KOH activation"

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Asymmetric supercapacitor based on nanostructured graphene foam/polyvinyl alcohol/formaldehyde and activated carbon electrodes

Bello, Abdulhakeem; Barzegar, Farshad; Momodu, Damilola Y.; Dangbegnon, Julien K.; Taghizadeh, Fatemeh; Fabiane, Mopeli; Manyala, Ncholu I. (Elsevier, 2015-01)

We present the electrochemical results of highly porous and interconnected carbon material by activation of graphene foam/polyvinyl alcohol-formaldehyde composite material designated as GF/PVA-F. Asymmetric supercapacitor ...
Electrochemical analysis of nanoporous carbons derived from activation of polypyrrole for stable supercapacitors

Moyo, Belinda; Momodu, Damilola Y.; Fasakin, Oladepo; Bello, Abdulhakeem; Dangbegnon, Julien K.; Manyala, Ncholu I. (Springer, 2018-04)

In this study, activated carbon was derived from polypyrrole (PPY) using a K2CO3 activating agent with varying mass ratios of the activating agent to PPY polymer (AA:PP), for the optimization of the hierarchical pore ...
Symmetric supercapacitors based on porous 3D interconnected carbon framework

Bello, Abdulhakeem; Barzegar, Farshad; Momodu, Damilola Y.; Dangbegnon, Julien K.; Taghizadeh, Fatemeh; Manyala, Ncholu I. (Elsevier, 2015-01)

The construction and design of novel porous carbons for electric double-layer capacitors (EDLCs) application to meet the increasing demand and supply of energy is eminent. This is important because the pore volume ...

Now showing items 1-3 of 3

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