Abstract: Electrocatalysts play a pivotal role in advancing proton-exchange membrane fuel cell (PEMFC) for hydrogen energy applications. In this study, we investigate a novel PtCu/CN electrocatalyst synthesized via a gram-scale synthesis approach, which demonstrates remarkable activity and stability in the oxygen reduction reaction (ORR). The catalyst's effectiveness stems from its unique structure, combining bimetallic nanoparticles (NPs) and an N-doped carbon support. Employing identical location transmission electron microscopy (IL-TEM) imaging, we observe significant NP structure reorganization upon activation influenced by the upper limiting potential. Notably, the PtCu/CN catalyst activated to 1.0 V surpasses the United States Department of Energy (DOE) target for ORR activity by 3.3-fold. These findings underscore the potential of this catalyst in enhancing the performance of PEMFCs, marking a significant advancement in hydrogen energy technology.

Cite: Pavlets A. , Pankov I. , Moguchikh E. , Suprun E. , Gerasimov E. , Guterman V. , Alekseenko A.
Deciphering Nanostructural Evolution of PtCu/C–N Electrocatalyst via Identical Location Transmission Electron Microscopy Imaging: Gram-Scale Synthesis and Superior Activity in Oxygen Reduction Reaction
Journal of Power Sources. 2024. V.613. 234898 :1-11. DOI: 10.1016/j.jpowsour.2024.234898 WOS Scopus РИНЦ ANCAN OpenAlex

Dates:

Submitted:	Apr 16, 2024
Accepted:	Jun 11, 2024
Published online:	Jun 21, 2024
Published print:	Sep 1, 2024

Identifiers:

Web of science:	WOS:001347662200001
Scopus:	2-s2.0-85196495345
Elibrary:	68309919
Chemical Abstracts:	2024:1384861
Chemical Abstracts (print):	188:107063
OpenAlex:	W4399887819

Citing:

DB	Citing
Elibrary	1

Altmetrics: