Subsurface Single-Atom Catalyst Enabled by Mechanochemical Synthesis for Oxidation Chemistry.

Single-atom catalysts have garnered significant attention due to their exceptional atom utilization and unique properties. However, the practical application of these catalysts is often impeded by challenges such as sintering-induced instability and poisoning of isolated atoms due to strong gas adsorption. In this study, we employed the mechanochemical method to insert single Cu atoms into the subsurface of FeO support.

Effect of LiLaZrTaO Fillers on the Interfacial Properties between Composite PEO-LiTFSI Electrolytes with Li Metal during Cycling.

PEO-LiX solid polymer electrolyte (SPE) with the addition of LiLaZrTaO (LLZTO) fillers is considered as a promising solid-state electrolyte for solid-state Li-ion batteries. However, the developments of the SPE have caused additional challenges, such as poor contact interface and SPE/Li interface stability during cycling, which always lead to potentially catastrophic battery failure. The main problem is that the real impact of LLZTO fillers on the interfacial properties between SPE and Li metal is still unclear.

Cascade NH Oxidation and NO Decomposition via Bifunctional Co and Cu Catalysts.

The selective catalytic oxidation of NH (NH-SCO) to N is an important reaction for the treatment of diesel engine exhaust. CoO has the highest activity among non-noble metals but suffers from NO release. Such NO emissions have recently been regulated due to having a 300× higher greenhouse gas effect than CO.