Nanostructured birnessite with tunneled structures and nearly ideal capacitive behaviors are
attractive as electrode material for aqueous asymmetric supercapacitors (ASCs). However …

Supercapacitors as an important component of sustainable energy system attract
tremendous attention, but improvement of their performance in energy density and power …

Sodium-ion hybrid supercapacitors have received great attracts for next-generation energy
storage applications due to their high energy and power densities, as well as the abundant …

Two‐dimensional δ‐MnO2 has attracted considerable attention as supercapacitor electrode
due to its ability to incorporate foreign ions into its interlayer spacing which suggests the …

In order to achieve high-performance and long-lifespan supercapacitors, highly
electrochemically active materials and rational structural design of are highly desirable …

The use of non‐metal charge carriers such as ammonium (NH4+) in electrochemical energy
storage devices offers advantages in terms of weight, element abundance, and compatibility …

Layered transition metal oxides are promising cathodes for sodium ion capacitors due to
their high specific capacity. In this work, we present a layered birnessite sodium manganese …

Manganese oxides (MnO2) are a class of promising electrode materials for high-
performance supercapacitors. Among various possible crystal phases of MnO2, the two …

Crystallized transition metal oxides were widely used as the electrode materials for the
electrochemical energy storage devices. However, their electrochemical performance …

Hybrid supercapacitor, which is an energy storage device that combines a low-energy/fast
double-layer electrode and a high-energy/sluggish faradaic redox electrode, could realize …