Atomically dispersed metal catalysts have been widely used in electrocatalysis because of their outstanding catalytic activity and high atomic utilization efficiency. As an extension of single‐atom catalysts (SACs), dual‐atom catalysts (DACs) provide new insights for the development of...
graphynedual-atom site catalystThere are increasing concerns about the environmental impact of rising atmospheric carbon monoxide concentrations, thus it is necessary to develop new catalysts for efficient CO oxidation. Based on first-principles calculations, the potential of 纬-graphyne (GY) as ...
Dual-atom site catalysts with the adjacent metal atomic sites can cooperatively catalyze oxygen reduction reaction (ORR), showing great potential in ORR field. Herein, the ORR activity and mechanism of a supported metal dual-atom site catalyst M2-DAC (M is 3dtransition metal) is explored ...
Dual‐atom site catalysts (DACs) have emerged as a new frontier in the heterogeneous catalysis field for electrochemical energy conversion systems. In this review, the superiority of DACs over single‐atom site catalysts is fully discussed. The origin of synergistic effects such as...
Copper-based catalysts have been considered as the most promising candidates in the solar-driven catalytic reduction of CO2 to value-added chemicals, but their catalytic performance encounters intrinsic limitations in the precise construction of copper catalytic active sites. This work employed the well-...
dual-atom catalysts in PEMFC.The metals in FeCoN_(5)P1 have the lower formation energy than those in the solo N-coordinated active sites of FeCoN6 and FeN_(4),and exhibits a much better fuel cell stability.This anion approach provides a new way to improve the stability of dual-atom ...
Co-based single-atom-catalysts have emerged as possible candidates for the oxygen evolution reaction (OER); however, further improvements in the performance of Co metal sites are challenging with limited optimization space. In this study, a Co-Fe dual-atomic catalyst with optimized intrinsic OER ...
Here, we report a novel amorphous Mo-Ce oxide supported single-atom Co (Co_(SA)-MoCeOx) encapsulated in bamboo-like carbon nanotubes (BCTs) catalysts for the acidic OER. Operando X-ray absorption spectroscopy confirms that the Mo-Ce oxide can promote the transformation of Co~(2+) sites ...
dual atomic siteP/N coordinationNon-precious metal catalysts (NPMCs) are promising low-cost alternatives of Pt/C for oxygen reduction reaction (ORR), which however suffer from serious stability challenge in the devices of proton-exchange-membrane fuel cells (PEMFC). Different from the traditional ...
By comparing with N-coordinated references, we investigate the effect of P-coodination on the ORR catalysis of Fe-Co dual-atom catalysts in PEMFC. The metals in FeCoN 5 P 1 have the lower formation energy than those in the solo N-coordinated active sites of FeCoN 6 and FeN 4 , and ...