The advancement of the modern world demands high‐performance electrical energy
storage devices such as metal‐ion capacitors and dual‐ion batteries, and they receive much …

Hybrid capacitors have been extensively investigated owing to their potential applications in
advanced devices to satisfy the requirements of high-energy, high-power, and extended …

Solvated-ion intercalation or co-intercalation reactions make graphite a versatile anode for
Na-ion chemistry and beyond. This alternate intercalation mechanism could overcome the …

Metal–ion hybrid capacitors (MHC), which provide both high energy and high power density,
play a key role as a bridge between the two energy storage methods of batteries and …

Supercapacitors are characterized by their fast charge/discharge capability, high‐power
capability, and long cycle life, but low‐energy‐density impedes their practical application …

The Cover Feature depicts the coupling of two electrochemical energy storage systems (ie a
battery and a supercapacitor) with different characteristics, just like cooperation between two …

As a new type of capacitor–battery hybrid energy storage device, metal‐ion capacitors have
attracted widespread attention because of their high‐power density while ensuring energy …

Electrochemical energy storage (EES) devices with high‐power density such as capacitors,
supercapacitors, and hybrid ion capacitors arouse intensive research passion. Recently …

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 …

Hybrid supercapacitors are the most desirable electrochemical energy storage devices,
owing to their versatile and tunable performance characteristics, specifically in energy and …