The surface and interfaces of heterogeneous catalysts are essential to their performance as
they are often considered to be active sites for catalytic reactions. With the development of …

Proton exchange membrane fuel cells are playing an increasing role in postpandemic
economic recovery and climate action plans. However, their performance, cost, and …

Fuel cells are one of the promising energy‐conversion devices due to their high efficiency
and zero emission. Although recent advances in electrocatalysts have been achieved using …

Multimetallic nanoframes with three-dimensional (3D) catalytic surfaces represent an
emerging class of efficient nanocatalysts. However, it still remains a challenge in …

Over the past few decades, considerable advances have been achieved in polymer
electrolyte membrane fuel cells (PEMFCs) based on the development of material …

This study presents a detailed review on the ultrathin catalyst layer (UTCL) design strategy
for high-performance proton exchange membrane fuel cell (PEMFC). Specifically, the …

Fast diffusion rate of ions and sufficiently exposed active sites are important for catalysts. As
a superior but rarely studied Fenton‐type catalyst, unsatisfactory ion diffusion rate of …

The catalyst layers (CLs) electrode is the key component of the membrane electrode
assembly (MEA) in proton exchange membrane fuel cells (PEMFCs). Conventional …

Two major challenges that impede fuel cell technology breakthrough are the insufficient
activity of the electrocatalysts for the oxygen reduction reaction and their degradation during …

Highly active and durable oxygen reduction catalysts are needed to reduce the costs and
enhance the service life of polymer electrolyte fuel cells (PEFCs). This can be accomplished …