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

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

Currently, tremendous efforts have been made to obtain a single efficient energy storage
device with both high energy and power density, bridging the gap between supercapacitors …

Zinc-ion hybrid capacitors (ZIHCs) have attracted increasing attention in recent years due to
their merits such as environmental benignity, cost effectiveness, highly intrinsic safety, ease …

As an emerging multivalent-ion-based energy storage device, aqueous zinc-ion capacitors
(AZICs) combine the merits of zinc-ion batteries with high energy density, excellent safety …

Lithium‐ion capacitors (LICs) are a game‐changer for high‐performance electrochemical
energy storage technologies. Despite the many recent reviews on the materials …

Aqueous zinc ion hybrid capacitors (ZIHCs) are an emerging class of energy storage
devices with the merits of high-energy-power density, low cost and high safety. But the …

Metal-ion hybrid capacitors (MIHCs) hold particular promise for next-generation energy
storage technologies, which bridge the gap between the high energy density of conventional …

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 …

Soft carbon (SC) is a promising anode material for potassium‐ion hybrid capacitors (PIHCs),
but there are limited K+ storage sites in common SC due to a skin‐like carbon film covering …