Porous N-doped carbons hold good prospects for application in supercapacitor due to their
low-cost, large surface area, good surface wettability, high electrical conductivity as well as …

Here we report a 3-dimensional hierarchical porous activated carbon (HPAC) prepared from
coconut fibers with KOH activation, which exhibits high-rate performance for symmetric …

Various approaches have been applied to increase the capacity of electric double layer
capacitors (EDLC) by increasing the accessible surface area of the electrode material …

The modern technology needs the electrochemical energy devices with increased safety,
larger power and energy densities in addition to long cycle lifetime. The solid state …

Ionic liquid-based poly (vinyl alcohol)(PVA)/ammonium acetate (CH 3 COONH 4) ion
conducting polymer electrolytes are prepared by solution casting technique. Ionic liquid, 1 …

Nitrogen and phosphorus co-doped carbon hollow spheres (NPCHSs) have been prepared
by a carbonization and subsequent chemical activation route using dehydrated polypyrrole …

NiS nanoparticles (NPs) with excellent electrochemical capacitance have attracted
considerable attention as cost-effective energy-storage materials for supercapacitors in …

Carbon-based supercapacitors have been widely applicated in the energy storage fields
due to superior physicochemical stability and large specific power. However, there is still an …

Nano-sized europium tungstate particles were prepared by reacting europium nitrate
hexahydrate and sodium tungstate solutions, and the structures, morphology and optical …

In this work we present a simple and efficient method of nitrogen plasma modification of
carbon nanotubes (CNTs). The process allows for treatment of the nanotubes in the form of …