Potassium ion energy storage devices are competitive candidates for grid-scale energy
storage applications owing to the abundancy and cost-effectiveness of potassium (K) …

Both MXene and conducting polymers are hot research topics on electrode materials for
supercapacitors (SCs). The combination of these two different types of materials can solve …

Battery-type materials for supercapacitors have attracted increasing research interest owing
to their high energy density. However, their poor electrode kinetics severely limit the …

Covalent organic frameworks (COFs) are an emerging class of crystalline porous polymer
due to their well-defined channels, highly accessible surface areas and tunable active sites …

Based on their characteristics, transition metal layered double hydroxides have been of
great scientific interest for their use in supercapacitors. Up until now, severe aggregation …

Transition metal phosphide (TMP) is an attractive candidate for asymmetric supercapacitors
(ASCs), but their low electric conductivity, limited redox active sites and sluggish charge …

Despite low cost and high theoretical specific capacitances, nickel-based compounds still
suffer from poor conductivity, limited redox active sites and sluggish ion and charge transfer …

At present, both easy agglomeration of carbon nanotubes themselves and waste caused by
chemical vapor deposition (CVD) have great pollution, which limits the use of carbon …

In the present work, a cobalt aluminum layered double hydroxide and its derivatives were
synthesized via a hydrothermal method, an alkali-etching method and a phosphorization …

A novel and facile strategy is developed to tune parallel manganese dioxide (MnO 2) to
hollow parallel hydroxyl oxidize iron (FeOOH) replicas, which can exactly keep its original …