The lack of model single-atom catalysts (SACs) and atomic-resolution operando
spectroscopic techniques greatly limits our comprehension of the nature of catalysis. Herein …

Understanding the nature of the catalytic active center and its evolving dynamics under
operating conditions is critical for the development of efficient and highly selective catalysts …

Single-atom catalysts (SACs) have emerged as one of the most promising alternatives to
noble metal-based catalysts for highly efficient oxygen reduction reaction (ORR). While …

Fe–N–C materials exhibit excellent activity and stability for oxygen reduction reaction (ORR),
as one of the most promising candidates to replace commercial Pt/C catalysts. However, it is …

For oxygen reduction reaction (ORR) consisting of complex multi-electron and proton-
coupled elementary steps, it has been always a core issue to address controlling the …

The development of efficient non-platinum group metal (non-PGM) catalysts for oxygen
reduction reaction (ORR) is of paramount importance for clean and sustainable energy …

Fe–N–C single-atom catalysts (SACs) exhibit high activity for oxygen reduction reaction
(ORR). However, it remains controversial how the active center mediates catalysis, and the …

It is still a grand challenge to develop a highly efficient nonprecious-metal electrocatalyst to
replace the Pt-based catalysts for oxygen reduction reaction (ORR). Here, we propose a …

Atomically dispersed transition metal active sites have emerged as one of the most important
fields of study because they display promising performance in catalysis and have the …

Metal-nitrogen-carbon catalysts with hierarchically dispersed porosity are deemed as
efficient geometry for oxygen reduction reaction (ORR). However, catalytic performance …