Differences in the electrochemical performance of Pt-based catalysts used for polymer electrolyte membrane fuel cells in liquid half-and full-cells

CY Ahn, JE Park, S Kim, OH Kim, W Hwang… - Chemical …, 2021 - ACS Publications
A substantial amount of research effort has been directed toward the development of Pt-
based catalysts with higher performance and durability than conventional polycrystalline Pt …

Performance and degradation of Proton Exchange Membrane Fuel Cells: State of the art in modeling from atomistic to system scale

T Jahnke, G Futter, A Latz, T Malkow… - Journal of Power …, 2016 - Elsevier
Abstract Proton Exchange Membrane Fuel Cells (PEMFC) are energy efficient and
environmentally friendly alternatives to conventional energy conversion systems in many yet …

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) …

Applicability of platinum as a counter-electrode material in electrocatalysis research

G Jerkiewicz - ACS Catalysis, 2022 - ACS Publications
Research in electrocatalysis, materials electrochemistry, and electrochemical energy
storage and generation has been undergoing enormous growth over the past decade. Some …

Durability of platinum-based fuel cell electrocatalysts: Dissolution of bulk and nanoscale platinum

S Cherevko, N Kulyk, KJJ Mayrhofer - Nano energy, 2016 - Elsevier
Platinum-and platinum-alloy-based electrocatalysts are the key component of the state-of-
the-art proton exchange membrane fuel cells. Dispersed in the form of nanometer size …

Elucidation of Fe-NC electrocatalyst active site functionality via in-situ X-ray absorption and operando determination of oxygen reduction reaction kinetics in a PEFC

L Osmieri, RK Ahluwalia, X Wang, HT Chung… - Applied Catalysis B …, 2019 - Elsevier
In the past decade the notable effort placed on improving intrinsic electrochemical kinetics of
platinum group metal (PGM)-free electrocatalysts for the oxygen reduction reaction (ORR) …

[HTML][HTML] Review on mechanisms and recovery procedures for reversible performance losses in polymer electrolyte membrane fuel cells

J Mitzel, Q Zhang, P Gazdzicki, KA Friedrich - Journal of Power Sources, 2021 - Elsevier
The recovery of performance losses in polymer electrolyte membrane fuel cells due to
reversible degradation phenomena is an important topic to enable high system efficiency …

Potential dependence of Pt and Co dissolution from platinum-cobalt alloy PEFC catalysts using time-resolved measurements

RK Ahluwalia, DD Papadias, NN Kariuki… - Journal of The …, 2018 - iopscience.iop.org
An electrochemical flow cell system with catalyst-ionomer ink deposited on glassy carbon is
used to investigate the aqueous stability of commercial PtCo alloys under cyclic potentials …

Durability of Pt-Co alloy polymer electrolyte fuel cell cathode catalysts under accelerated stress tests

DD Papadias, RK Ahluwalia, N Kariuki… - Journal of The …, 2018 - iopscience.iop.org
Abstract The durability of Pt-Co alloy cathode catalysts supported on high surface area
carbon is investigated by subjecting them to accelerated stress tests (ASTs). The catalysts …

Structural reorganization of Pt (111) electrodes by electrochemical oxidation and reduction

M Ruge, J Drnec, B Rahn, F Reikowski… - Journal of the …, 2017 - ACS Publications
The surface restructuring of Pt (111) electrodes upon electrochemical oxidation/reduction in
0.1 M HClO4 was studied by in situ grazing-incidence small-angle X-ray scattering and …