In recent years, tremendous research effort has been aimed at increasing the energy density
of supercapacitors without sacrificing high power capability so that they reach the levels …

The electrochemical capacitor (EC), also called as supercapacitor, is an energy storage
device possessing a unlimited life-cycle and high power density known to store energy in …

Nanoscience and nanotechnology can provide tremendous benefits to electrochemical
energy storage devices, such as batteries and supercapacitors, by combining new …

Coal is one of the natural materials with three-dimensional (3D) cross-linked network
structure composed of aromatic units and hydroaromatic groups. The unique molecular …

A rapidly developing market for portable electronic devices and hybrid electrical vehicles
requires an urgent supply of mature energy‐storage systems. As a result, lithium‐ion …

Supercapacitors, which are attracting rapidly growing interest from both academia and
industry, are important energy‐storage devices for acquiring sustainable energy. Recent …

A universal method for the preparation of high-yield and high N content porous carbide is
reported. Nine type composite salts are assisted to carbonize coal tar pitch (CTP) in muffle …

High-temperature coal tar (HTCT) is an important raw material for obtaining value-added
aromatics. However, effective utilization of HTCT is not optimistic because of backward …

Graphene oxide/polypyrrole (GO/PPy) composite is synthesized by in situ oxidation
polymerization of pyrrole (Py) in the presence of GO and used for supercapacitor electrode …

Two-dimensional hierarchical porous carbon sheets (FHPCs) have been prepared by using
nano-MgO sheet as template and coal tar pitch as carbon precursor coupled with KOH …