Low‐PGM and PGM‐free catalysts for proton exchange membrane fuel cells: stability challenges and material solutions

L Du, V Prabhakaran, X Xie, S Park, Y Wang… - Advanced …, 2021 - Wiley Online Library
Fuel cells as an attractive clean energy technology have recently regained popularity in
academia, government, and industry. In a mainstream proton exchange membrane (PEM) …

A review of proton exchange membrane water electrolysis on degradation mechanisms and mitigation strategies

Q Feng, G Liu, B Wei, Z Zhang, H Li, H Wang - Journal of Power Sources, 2017 - Elsevier
Proton exchange membrane water electrolysis (PEMWE) is an advanced and effective
solution to the primary energy storage technologies. A better understanding of performance …

[HTML][HTML] A pyridinic Fe-N4 macrocycle models the active sites in Fe/N-doped carbon electrocatalysts

T Marshall-Roth, NJ Libretto, AT Wrobel… - Nature …, 2020 - nature.com
Iron-and nitrogen-doped carbon (Fe-NC) materials are leading candidates to replace
platinum catalysts for the oxygen reduction reaction (ORR) in fuel cells; however, their active …

Current understanding of chemical degradation mechanisms of perfluorosulfonic acid membranes and their mitigation strategies: a review

M Zatoń, J Rozière, DJ Jones - Sustainable Energy & Fuels, 2017 - pubs.rsc.org
This article provides a comprehensive and up-to-date perspective of the understanding of
perfluorosulfonic acid (PFSA) fuel cell membrane degradation phenomena, reviews key …

Oxygen reduction reaction measurements on platinum electrocatalysts utilizing rotating disk electrode technique: I. Impact of impurities, measurement protocols and …

K Shinozaki, JW Zack, RM Richards… - Journal of The …, 2015 - iopscience.iop.org
The rotating disk electrode (RDE) technique is being extensively used as a screening tool to
estimate the activity of novel PEMFC electrocatalysts synthesized in lab-scale (mg) …

Metal–organic-framework-derived Co–Fe bimetallic oxygen reduction electrocatalysts for alkaline fuel cells

Y Xiong, Y Yang, FJ DiSalvo… - Journal of the American …, 2019 - ACS Publications
The oxygen reduction reaction (ORR) is considered the cornerstone for regenerative energy
conversion devices involving fuel cells and electrolyzers. The development of non-precious …

Icosahedral platinum alloy nanocrystals with enhanced electrocatalytic activities

J Wu, L Qi, H You, A Gross, J Li… - Journal of the American …, 2012 - ACS Publications
This communication describes the synthesis of Pt–M (M= Au, Ni, Pd) icosahedral
nanocrystals based on the gas reducing agent in liquid solution method. Both CO gas and …

Oxygen reduction reaction measurements on platinum electrocatalysts utilizing rotating disk electrode technique: II. Influence of ink formulation, catalyst layer …

K Shinozaki, JW Zack, S Pylypenko… - Journal of The …, 2015 - iopscience.iop.org
Platinum electrocatalysts supported on high surface area and Vulcan carbon blacks
(Pt/HSC, Pt/V) were characterized in rotating disk electrode (RDE) setups for …

Membrane degradation in PEM water electrolyzer: Numerical modeling and experimental evidence of the influence of temperature and current density

M Chandesris, V Médeau, N Guillet… - International Journal of …, 2015 - Elsevier
In this work, a 1D polymer electrolyte membrane water electrolyzer (PEMWE) model that
incorporates chemical degradation of the membrane is developed to study the influence of …

Pressurized PEM water electrolysis: Efficiency and gas crossover

M Schalenbach, M Carmo, DL Fritz, J Mergel… - International Journal of …, 2013 - Elsevier
In this study the influence of cathodic and anodic pressures during polymer electrolyte
membrane water electrolysis on the gas crossover is simulated and compared to in-situ …