Electrochemical energy storage (EES) plays an important role in personal electronics,
electrified vehicles, and smart grid. Lithium-ion batteries (LIBs) and supercapacitors (SCs) …

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 …

In this review, the technologies and working principles of different materials used in
supercapacitors are explained. The most important supercapacitor active materials are …

In this critical review, metal oxides-based materials for electrochemical supercapacitor (ES)
electrodes are reviewed in detail together with a brief review of carbon materials and …

Ultrasounds are commonly used in medical imaging, solution homogenization, navigation,
and ranging, but they are also a great energy source for chemical reactions. Sonochemistry …

Electrochemical supercapacitors (ECs), characteristic of high power and reasonably high
energy densities, have become a versatile solution to various emerging energy applications …

Asymmetric supercapacitor with high energy density has been developed successfully using
graphene/MnO2 composite as positive electrode and activated carbon nanofibers (ACN) as …

We present a quick and easy method to synthesize graphene–MnO2 composites through
the self-limiting deposition of nanoscale MnO2 on the surface of graphene under microwave …

A graphene nanosheet (GNS)/polyaniline (PANI) composite was synthesized using in situ
polymerization. The morphology and microstructure of samples were examined by scanning …

For efficient use of metal oxides, such as MnO2 and RuO2, in pseudocapacitors and other
electrochemical applications, the poor conductivity of the metal oxide is a major problem. To …