The degradation mitigation effect of cerium oxide in polymer electrolyte membranes in extended fuel cell durability tests

BP Pearman, N Mohajeri, RP Brooker… - Journal of power …, 2013 - Elsevier
In this work, two formulations of cerium oxide nanoparticles were incorporated into
perfluorosulfonic acid membrane electrode assemblies (MEAs) and their ability to improve …

The chemical behavior and degradation mitigation effect of cerium oxide nanoparticles in perfluorosulfonic acid polymer electrolyte membranes

BP Pearman, N Mohajeri, DK Slattery… - … degradation and stability, 2013 - Elsevier
Perfluorosulfonic acid membranes are susceptible to degradation during hydrogen fuel cell
operation due to radical attack on the polymer chains. Mitigation of this attack by cerium …

Simulation of performance tradeoffs in ceria supported polymer electrolyte fuel cells

KH Wong, E Kjeang - Journal of The Electrochemical Society, 2019 - iopscience.iop.org
Ceria-supported membrane electrode assemblies (MEAs) can effectively protect the
membrane at open circuit voltage conditions; however, performance tradeoffs have been …

Fuel cell durability enhancement with cerium oxide under combined chemical and mechanical membrane degradation

C Lim, AS Alavijeh, M Lauritzen… - ECS …, 2015 - iopscience.iop.org
A CeO 2 supported membrane electrode assembly (MEA) was fabricated by hot-pressing
CeO 2-coated electrodes and a PFSA ionomer membrane. Upon application of a combined …

In-situ modeling of chemical membrane degradation and mitigation in ceria-supported fuel cells

KH Wong, E Kjeang - Journal of The Electrochemical Society, 2017 - iopscience.iop.org
Ceria-supported membrane electrode assemblies (MEAs) have recently been proposed to
address chemical membrane degradation in polymer electrolyte fuel cells. Although ceria is …

Enhancing durability of polymer electrolyte membrane using cation size selective agents

T Agarwal, AC Sievert, SK Babu, S Adhikari… - Journal of Power …, 2023 - Elsevier
Radical species generated during proton exchange membrane fuel cell operation
considerably limit the achievable durability, particularly for heavy-duty vehicle applications …

Degradation reduction of polymer electrolyte membranes using CeO2 as a free-radical scavenger in catalyst layer

L Wang, SG Advani, AK Prasad - Electrochimica Acta, 2013 - Elsevier
Ceria nanoparticles were added to the electrodes of proton exchange membrane fuel cells
as free-radical scavengers to minimize the degradation of membrane electrode assembly …

Degradation mitigation in polymer electrolyte membranes using cerium oxide as a regenerative free-radical scavenger

P Trogadas, J Parrondo, V Ramani - Electrochemical and Solid …, 2008 - iopscience.iop.org
The efficacy of nanoparticles in mitigating free-radical-induced polymer electrolyte
membrane (PEM) degradation is investigated. Commercially obtained and nanoparticles …

Addressing the detrimental effect of CeO2 radical scavenger on the durability of polymer electrolyte membrane fuel cells

S Yuk, J Jung, KY Song, DW Lee, DH Lee… - Chemical Engineering …, 2023 - Elsevier
A radical scavenger, CeO 2, effectively improves the chemical durability of fuel cell
membranes, however, Ce 4+ ions eluted from the CeO 2 lead to Pt/C degradation and …

Mitigation of PFSA membrane chemical degradation using composite cerium oxide–PFSA nanofibres

M Zatoń, J Rozière, DJ Jones - Journal of materials chemistry A, 2017 - pubs.rsc.org
A PFSA nanofibre-network enriched with cerium oxide nanoparticles (NFCeOx) has been
developed as a trap for highly reactive oxygen species that are produced in an operating …