The demand for the large-scale storage system has gained much interest. Among all the
criteria for the large-scale electrical energy storage systems (EESSs), low cost ($ k Wh− 1) is …

Manganese dioxides, inorganic materials which have been used in industry for more than a
century, now find great renewal of interest for storage and conversion of energy applications …

Recently, oxygen vacancy engineering represents a new direction for rational design of high-
performance catalysts for electrochemical CO 2 reduction (CO 2 RR). In this work, a series of …

Hydrogen production by electrocatalytic water splitting will play a key role in the realization
of a sustainable energy supply. Owing to their relatively high stability and activity, iridium …

α-MnO2 is a promising material for ozone catalytic decomposition and the oxygen vacancy
is often regarded as the active site for ozone adsorption and decomposition. Here, α-MnO2 …

Metal oxides with a tunnelled structure are attractive as charge storage materials for
rechargeable batteries and supercapacitors, since the tunnels enable fast reversible …

Abstract ε-MnO 2 catalysts with Mn vacancies and appropriate Li+ were designed with the
help of density functional theory calculations (DFT) and prepared by a novel selective …

The unexpected phenomenon and mechanism of the alkali metal involved NH3 selective
catalysis are reported. Incorporation of K+ (4.22 wt%) in the tunnels of α‐MnO2 greatly …

Atomically thin two-dimensional (2D) nanosheets of metal oxides with structural anisotropy,
rich surface chemistry and unique electronic structures are technologically intriguing …

Herein, we synthesise various polymorphs of MnO 2 through hydrothermal technique.
Formation of pure tetragonal structured α-, β-and mixture of α and β phase of MnO 2 are …