Alkali metal‐ion capacitors integrate two electrodes from both batteries and supercapacitors
(SCs), combining the advantages of large capacity, high‐rate performance, and long cycle …

Dual‐carbon batteries (DCBs) with both electrodes composed of carbon materials are
currently at the forefront of industrial consideration. This is due to their low cost, safety …

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

Hard carbon (HC) is a promising anode material for K+-storage due to its randomly oriented
turbostratic structure. However, most reported HC anodes exhibit low initial coulombic …

Potassium-ion hybrid capacitor (PIHC) has been deemed as an appealing energy storage
system thanks to its low cost and reconciled energy/power density. Nevertheless, the rapid …

Biomass‐derived materials generally exhibit uniform and highly‐stable hierarchical porous
structures that can hardly be achieved by conventional chemical synthesis and artificial …

As industries and consumption patterns evolve, new electrical appliances are increasingly
playing critical roles in national production, defense, and cognitive exploration. However, the …

Metal sulfides are considered as potential anode candidates for potassium ion batteries
(PIBs) and hybrid capacitors (PIHCs) due to their abundant energy reserves and decent …

Potassium‐ion hybrid capacitors (PIHCs) overcome the limitations of potassium‐ion
batteries (PIBs) and supercapacitors (SCs) and integrate the advantages of both, including …

As an alternative to Li-ion batteries, potassium-ion batteries have attracted increasing
research interest due to the natural abundance of potassium and low cost. However, the …