Proton exchange membrane fuel cells (PEMFCs), as a feasible alternative to replace the
traditional fossil fuel-based energy converter, contribute significantly to the global …

Preferential oxidation of CO (PROX) in a H2-rich stream is considered as a promising
strategy for abatement of trace amounts of CO to prevent poisoning of Pt anodes by H2 in …

Hydrogen is increasingly being discussed as clean energy for the goal of net-zero carbon
emissions, applied in the proton-exchange-membrane fuel cells (PEMFC). The preferential …

High entropy materials involving the incorporation of five or more metal species into single-
phase crystal structures have received extensive attention in many reactions. These …

Isolated single atoms of a platinum-group dispersed in surface layer of a metal host to
synthesize single-atom alloys (SAAs) has proven to be favorable for improving catalytic …

Carbon monoxide preferential oxidation (CO-PROX) is regarded as a promising strategy to
remove trace amount of CO in H 2-rich stream. Herein, atomically dispersed Au catalysts …

Active sites play an essential role in heterogeneous catalysis and largely determine the
reaction properties. Yet identification and study of the active sites remain challenging owing …

Identifying the active sites of catalysts under working conditions is crucial for precise
understanding of reaction mechanisms and rational design of catalysts. However, the nature …

The oxidation functionality of Mn (IV) sites has been assessed by density functional theory
(DFT) analysis of adsorption and activation energies of CO, H 2 and O 2 on a model Mn 4 O …

Despite the maximum atom-utilization efficiency and remarkable activity of single-atom
catalysts, further improvement of catalytic activity can be obtained by the synergistic effect of …