Multicomponent, multiphase interactions in fuel-cell inks

SA Berlinger, S Garg, AZ Weber - Current Opinion in Electrochemistry, 2021 - Elsevier
Fuel cell catalyst layers (CLs) are porous electrodes that are fabricated from CL inks:
colloidal dispersions of catalyst particles and ion-conducting polymer (ionomer), dispersed …

Recent progress of catalyst ink for roll-to-roll manufacturing paired with slot die coating for proton exchange membrane fuel cells

P Liu, D Yang, B Li, C Zhang, P Ming - International Journal of Hydrogen …, 2023 - Elsevier
Abstract Roll-to-roll (R2R) manufacturing paired with slot die coating is a promising route to
realize the mass production of catalyst layers of proton exchange membrane fuel cells and …

The evolution of hydrogen bond network in nafion via molecular dynamics simulation

R Cui, S Li, C Yu, Y Zhou - Macromolecules, 2023 - ACS Publications
The hydrogen bond network (HBN) is of primary importance to the proton transport in Nafion.
However, the evolution of the HBN in Nafion with water content and the underlying …

Microstructure formation mechanism of catalyst layer and its effect on fuel cell performance: Effect of dispersion medium composition

H Ren, X Meng, Y Lin, Z Shao - Journal of Energy Chemistry, 2022 - Elsevier
The design of the catalyst layer (CL) offers a feasible way to realize the commercialization of
proton exchange membrane fuel cells (PEMFCs). An in-depth understanding of catalyst inks …

Effect of cations (Na+, Co2+, Fe3+) contamination in Nafion membrane: A molecular simulations study

R Cui, Z Zhang, Y Wang, F Liu, H Wang, C Bi… - International Journal of …, 2024 - Elsevier
The cation contamination is an important reason for the degradation of performance and
durability of Nafion membrane, but the contamination mechanism for cations with different …

Viscoelasticity Enhancement and Shear Thickening of Perfluorinated Sulfonic Acid Ionomer Dispersions in Water–Alcohol Solvent Mixtures

S Khandavalli, JH Park, HH Winter, DJ Myers… - …, 2023 - ACS Publications
We investigate the effect of dispersion media composition, water-to-isopropanol (IPA) ratio,
on the structure and rheology of perfluorinated sulfonic acid (PFSA) ionomers using short …

Hydrocarbon ionomeric binders for fuel cells and electrolyzers

YS Kim - Advanced Science, 2023 - Wiley Online Library
Ionomeric binders in catalyst layers, abbreviated as ionomers, play an essential role in the
performance of polymer–electrolyte membrane fuel cells and electrolyzers. Due to …

Correlation between Nafion morphology in various dispersion liquids and properties of the cast membranes

EY Safronova, DY Voropaeva, DV Safronov, N Stretton… - Membranes, 2022 - mdpi.com
Nafion is a perfluorosulfonic acid polymer that is most commonly used in proton-exchange
membrane fuel cells. The processes of pretreatment and formation of such membranes …

Independent regulation of ionomer distribution in catalyst layer for proton exchange membrane fuel cell

H Ren, X Meng, Y Lin, Z Shao - Electrochimica Acta, 2023 - Elsevier
The ionomer distribution in the catalyst layer (CL) of proton exchange membrane fuel cell
(PEMFC) has become a vital research topic, especially under the low Pt loading condition. In …

Scattering investigations into the structures of polymer-electrolyte-fuel-cell catalyst layers exhibiting robust performance against varying water fractions of catalyst ink …

M Harada, S Kajiya, T Mitsuoka, S Takata… - Colloids and Surfaces A …, 2023 - Elsevier
Catalyst layers in polymer electrolyte fuel cells have a performance-influencing hierarchical
porous structure comprising Pt-loaded carbon (Pt/C) particles and ionomer molecules …