Direct measurement of the oxygen reduction reaction kinetics on iron phthalocyanine using advanced transient voltammetry

RZ Snitkoff-Sol, O Rimon, AM Bond, L Elbaz - Nature Catalysis, 2024 - nature.com
Platinum group metal (PGM)-free catalysts are promising candidates to replace PGM
catalysts for the oxygen reduction reaction in fuel cells. While methodologies to determine …

Modular Iron–Bipyridine-Based Conjugated Aerogels as Catalysts for Oxygen Reduction Reaction

L Peles-Strahl, HC Honig, Y Persky, DA Cullen… - ACS …, 2023 - ACS Publications
Aerogels have a large surface area and a porous structure, which make them an attractive
catalyst support materials for fuel cells. Modifying the aerogels' building blocks and …

Toward more practical site density determination in Fe-NC catalysts for oxygen reduction reaction: NO-strip** at gas diffusion electrode setup

M Mazzucato, C Durante - Electrochimica Acta, 2024 - Elsevier
Abstract Evaluation of the site density of single-site iron catalysts has always been a
challenge due to the complexity of those materials, and the difficulty of finding selective and …

Fe‐N‐C in Proton Exchange Membrane Fuel Cells: Impact of Ionomer Loading on Degradation and Stability

A Pedersen, RZ Snitkoff‐Sol, Y Presman… - Advanced Energy …, 2024 - Wiley Online Library
Fe single atoms in N‐doped C (Fe‐N‐C) present the most promising replacement for carbon‐
supported Pt‐based catalysts for the O2 reduction reaction at the cathode of proton …

Applying Nuclear Forward Scattering as In Situ and Operando Tool for the Characterization of FeN4 Moieties in the Hydrogen Evolution Reaction

N Heppe, C Gallenkamp, RZ Snitkoff-Sol… - Journal of the …, 2024 - ACS Publications
Nuclear forward scattering (NFS) is a synchrotron-based technique relying on the recoil-free
nuclear resonance effect similar to Mössbauer spectroscopy. In this work, we introduce …

The On/Off pH-Dependent Electrocatalytic Activity of the Perfluorinated Iron Phthalocyanine for the Oxygen Reduction Reaction and Electrochemical Hardness as a …

L Acuña-Saavedra, AM Méndez-Torres… - ACS …, 2024 - ACS Publications
Perfluorinated iron phthalocyanine 16 (F) FePc is probably the most active MN4 molecular
catalyst reported to promote the oxygen reduction reaction (ORR) in alkaline media. Its high …

Fourier-Transformed Alternating Current Voltammetry (FTacV) for Analysis of Electrocatalysts

RZ Snitkoff-Sol, AM Bond, L Elbaz - ACS Catalysis, 2024 - ACS Publications
Electrocatalysts play a critical role in energy technologies, but the development of active,
efficient, and durable catalysts is impeded by the lack of methodologies to deconvolute the …

Morphological and structural design through hard-templating of PGM-free electrocatalysts for AEMFC applications

HC Honig, S Mostoni, Y Presman, RZ Snitkoff-Sol… - Nanoscale, 2024 - pubs.rsc.org
This study delves into the critical role of customized materials design and synthesis methods
in influencing the performance of electrocatalysts for the oxygen reduction reaction (ORR) in …

[HTML][HTML] Optimisation and effect of ionomer loading on porous Fe–N–C-based proton exchange membrane fuel cells probed by emerging electrochemical methods

A Pedersen, RZ Snitkoff-Sol, Y Presman, J Barrio… - Journal of Power …, 2024 - Elsevier
The next generation of proton exchange membrane fuel cells (PEMFCs) require a
substantial reduction or elimination of Pt-based electrocatalyst from the cathode, where O 2 …

Estimation of the electrochemical active site density of a metal-free carbon-based catalyst using phosphomolybdate (PMo 12) as an adsorbate

R Maurya, R Das, S Sharma, M Neergat - Physical Chemistry Chemical …, 2024 - pubs.rsc.org
A method to estimate the electrochemical active site density (SD) of carbon (C) and nitrogen-
doped carbon (N/C-900) using phosphomolybdate (PMo12) as a probe molecule is …