Resolving the nanoparticles' structure-property relationships at the atomic level: a study of Pt-based electrocatalysts

LJ Moriau, A Hrnjić, A Pavlišič, AR Kamšek, U Petek… - IScience, 2021 - cell.com
Achieving highly active and stable oxygen reduction reaction performance at low platinum-
group-metal loadings remains one of the grand challenges in the proton-exchange …

Review of the experimental study and prediction of Pt-based catalyst degradation during PEM fuel cell operation

M Prokop, M Drakselova, K Bouzek - Current Opinion in Electrochemistry, 2020 - Elsevier
The degradation of Pt-based catalyst severely limits the lifetime of a fuel cell with a proton-
conductive polymer electrolyte membrane (PEM FC) operating with H 2 as the fuel and O 2 …

Elucidating the structure-dependent selectivity of CuZn towards methane and ethanol in CO 2 electroreduction using tailored Cu/ZnO precatalysts

SB Varandili, D Stoian, J Vavra, K Rossi… - Chemical …, 2021 - pubs.rsc.org
Understanding the catalyst compositional and structural features that control selectivity is of
uttermost importance to target desired products in chemical reactions. In this joint …

Spot the difference at the nanoscale: identical location electron microscopy in electrocatalysis

N Hodnik, S Cherevko - Current opinion in electrochemistry, 2019 - Elsevier
Identical location electron microscopy (IL-EM) offers a unique opportunity to track the
morphological, compositional, and structural changes at the nanoscale in the systems where …

Comparison of Pt–Cu/C with benchmark Pt–Co/C: metal dissolution and their surface interactions

M Gatalo, P Jovanovič, U Petek… - ACS Applied Energy …, 2019 - ACS Publications
Understanding of less-noble-metal (M) dissolution from Pt-alloy-based oxygen reduction
reaction (ORR) electrocatalysts, as well its interaction with Pt surface, is crucial for …

Electrochemical dealloying as a tool to tune the porosity, composition and catalytic activity of nanomaterials

C Rurainsky, AG Manjón, F Hiege, YT Chen… - Journal of Materials …, 2020 - pubs.rsc.org
Electrochemical dealloying as a post-treatment can greatly improve the catalytic activity of
nanoparticles. To date, selecting suitable conditions to reach desired porosity, composition …

The electrochemical activation mode as a way to exceptional ORR performance of nanostructured PtCu/C materials

AA Alekseenko, AS Pavlets, SV Belenov… - Applied Surface …, 2022 - Elsevier
The nanostructured PtCu x/C catalysts with an average nanoparticle size of 3–5 nm, which
significantly surpass in activity the commercial Pt/C analog in the oxygen electroreduction …

Architecture evolution of different nanoparticles types: relationship between the structure and functional properties of catalysts for PEMFC

S Belenov, A Alekseenko, A Pavlets, A Nevelskaya… - Catalysts, 2022 - mdpi.com
This review considers the features of the catalysts with different nanoparticle structures
architecture transformation under the various pre-treatment types. Based on the results of …

CO-assisted ex-situ chemical activation of Pt-Cu/C oxygen reduction reaction electrocatalyst

M Gatalo, L Moriau, U Petek, F Ruiz-Zepeda, M Šala… - Electrochimica …, 2019 - Elsevier
In the future, low-temperature proton exchange membrane fuel cells (PEMFC), together with
batteries, are expected to compete and eventually replace conventional combustion engines …

Synthesis and advanced electrochemical characterization of multifunctional electrocatalytic composite for unitized regenerative fuel cell

LJ Moriau, M Bele, A Vižintin, F Ruiz-Zepeda… - ACS …, 2019 - ACS Publications
A multifunctional electrocatalytic composite was synthesized for use as a generic catalytic
material in the polymer electrolyte membrane (PEM) type reactors, working in either fuel cell …