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Defects on metal oxide have attracted extensive attention in photo‐/electrocatalytic CO2 reduction. Herein, porous MgO nanosheets with abundant oxygen vacancies (Vos) and three‐coordinated oxygen atoms (O3c) at corners are reported, which reconstruct into defective MgCO3·3H2O exposing rich surface unsaturated ‐OH groups and vacancies to initiate photocatalytic CO2 reduction to CO and CH4. In consecutive...
Rechargeable zinc‐ion batteries (ZIBs), which adopt mild aqueous electrolytes with high power density and safety, have received significant interest. As the most widely used cathode material for ZIBs, manganese‐based oxide has poor rate performance owing to its low electronic conductivity and slow ion diffusion kinetics. In this study, using the synergistic regulation strategy of defect engineering...
Cobalt oxides as efficient oxygen evolution reaction (OER) electrocatalysts have received much attention because of their rich reserves and cheap cost. There are two common cobalt oxides, Co3O4 (spinel phase, stable but poor intrinsic activity) and CoO (rocksalt phase, active but easily be oxidatized). Constructing Co3O4/CoO heterophase can inherit both characteristic features of each component and...
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