The high-power density enables rapid charging of energy storage devices. As technology
advances, this is increasingly becoming a crucial method to evaluate these systems. Ionic …

Transitioning the cathodic energy storage mechanism from a single electric double layer
capacitor to a battery and capacitor dual type not only boosts the energy density of sodium …

In this chapter, the classical features of SICs are summarized. In addition, some important
parameters in SICs are reflected by a simple example and a rational construction. Another …

An alkali metal‐ion hybrid supercapacitor is composed of a battery‐type electrode and a
capacitor‐type one, with alkali metal ions transporting in the bulk of the whole device. In …

Metal ion hybrid capacitors (MIHCs) have been recognized as one of the most promising
power sources owing to their combined merits of high energy density in batteries and high …

The quest for efficient, profitable and worthwhile energy storage devices has led to extended
research for alternative electrode materials capable of efficient activity. Sodium ion …

Sodium‐ion storage technology holds great promise for large‐scale, sustainable, and low‐
cost green energy storage systems. Overcoming the main limitations of sluggish Na+ …

Rechargeable sodium-based energy storage devices have attracted much attention in
recent years due to high abundance and even global distribution of sodium resources. As a …

Identifying an effective electrolyte is a primary challenge for hybrid ion capacitors, due to the
intricacy of dual‐ion storage. Here, this study demonstrates that the electrochemical …

In this critical Review we focus on the evolution of the hybrid ion capacitor (HIC) from its
early embodiments to its modern form, focusing on the key outstanding scientific and …