Sodium-and potassium-ion (Na-/K-ion) hybrid capacitors are promising electrochemical
energy storage systems that are more cost-effective than corresponding lithium-based …

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 …

The demand for energy storage is exponentially increasing with growth of the human
population, which is highly energy intensive. Batteries, supercapacitors, and hybrid …

Developing electrochemical energy storage devices with high energy and power densities,
long cycling life, as well as low cost is of great significance. Hybrid metal-ion capacitors …

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

Hybrid capacitors are emerging because of their ability to store large amounts of energy,
cycle through charges quickly, and maintain stability even in harsh environments or at …

Enhanced solid-state ionic diffusion for high-power Na-ion and K-ion hybrid capacitors
(SIHCs and PIHCs) is usually attained via tailoring anode materials to the nanoscale, which …

Sodium-ion capacitors (SICs), as new-generation electrochemical energy-storage systems,
have combined the advantages of high energy and power densities, meeting the urgent …

Potassium-ion hybrid capacitors (KIHCs) have attracted growing attention due to the natural
abundance and low cost of potassium. However, KIHCs are still limited by sluggish redox …

High‐efficiency energy storage technologies and devices have gained numerous attention
because of their ever‐increasing requirement. Sodium‐ion capacitors (SICs), as a …