Development of highly stabilized and reversible cathode materials has become a great challenge for sodium‐ion batteries. O′3‐type layered Mn‐based oxides have deserved much attention as one of largely reversible‐capacity cathodes featured by the resource‐rich and low‐toxic elements. However, the fragile slabs structure of typical layered oxides, low Mn‐ion migration barriers, and Jahn–Teller distortion of Mn3+ have easily resulted in the severe degradation of cyclability and rate performances. Herein, a new queue‐ordered superstructure is built up in the O′3‐NaMn0.6Al0.4O2 cathode material. Through the light‐metal Al substitution in O′3‐NaMnO2, the MnO6 and AlO6 octahedrons display the queue‐ordered arrangements in the transition metal (TM) slabs. Interestingly, the presence of this superstructure can strengthen the layered structure, reduce the influence from Jahn–Teller effect, and suppress the TM‐ions migrations during long‐terms cycles. These characteristics results in O′3‐NaMn0.6Al0.4O2 cathode deliver a high capacity of 160 mAh g−1, an enhanced rate capability and the excellent cycling performance. This research strategy can provide the broaden insight for future electrode materials with high‐performance sodium‐ions storage.

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O’3-type layered Mn-based oxide has been considered as one of most promising cathodes for high-performance and large-scale sodium-ion batteries due to the highly reversible-capacity, easily mass-production, low-toxic elements etc. However,...

Electrocatalytic water splitting is crucial for the development of the renewable energy industry. However, gas bubble attachment to the electrode surface has severely limited the electrochemical performance. In this study, we develop a superaerophobic nickel-based catalyst by electrodeposition onto pencil-drawn non-conducting A4 paper. We reveal that phosphorus (P) doping in the nickel metal causes lattice contraction and cracked electrode surface, creating a superaerophobic electrode surface, as supported by first-principles calculations and surface tension measurement. The improved catalytic performance results from the superaerophobic electrode surfaces with minimal gas bubble adhesion, outperforming commercial Pt plates, particularly at higher current densities. P-doping also enhances the corrosion resistance of the electrode to the electrolyte and contributes to its structural stability. Our findings suggest a promising strategy for developing highly efficient electrocatalysts with improved stability.