Coordinated Multi‐Component Gradient Engineering of Catalyst Layers for Advanced Polymer Electrolyte Fuel Cells
Sign Up to like & getrecommendations! Published in 2025 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202518360
Abstract: Membrane electrode assemblies (MEAs) are critical to emerging energy technologies such as polymer electrolyte fuel cells (PEFCs), but their performance is often limited by challenges in reactant transport, ionic conduction and water management within the… read more here.
Keywords: electrolyte fuel; polymer electrolyte; gradient; fuel cells ... See more keywords
Synergistic Supports Beyond Carbon Black for Polymer Electrolyte Fuel Cell Anodes
Sign Up to like & getrecommendations! Published in 2018 at "ChemCatChem"
DOI: 10.1002/cctc.201801094
Abstract: Polymer electrolyte fuel cells (PEFCs) are among the most advanced energy technologies with low operating temperatures, high energy densities, ease of transportation and storage. However, the deficiencies such as low activity and high cost of… read more here.
Keywords: carbon; electrolyte fuel; carbon black; supports beyond ... See more keywords
Key Factors for Simultaneous Improvements of Performance and Durability of Core-Shell Pt3 Ni/Carbon Electrocatalysts Toward Superior Polymer Electrolyte Fuel Cell.
Sign Up to like & getrecommendations! Published in 2018 at "Chemical record"
DOI: 10.1002/tcr.201800110
Abstract: It remains a big challenge to remarkably improve both oxygen reduction reaction (ORR) activity and long-term durability of Pt-M bimetal electrocatalysts simultaneously in the harsh cathode environment toward widespread commercialization of polymer electrolyte fuel cells… read more here.
Keywords: carbon; electrolyte fuel; durability; performance durability ... See more keywords
Analyses and insights into 2D crystallite architected membrane electrode assemblies for polymer electrolyte fuel cells
Sign Up to like & getrecommendations! Published in 2021 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2021.129280
Abstract: Abstract The high power performance of low-temperature polymer electrolyte fuel cells (PEFCs), rendering them an elevated spot among portable and transportation oriented energy conversion systems, depends primarily on the precise selection and utilization of materials… read more here.
Keywords: electrode assemblies; membrane electrode; electrolyte fuel; fuel ... See more keywords
Influence of Different Side-groups and Cross-links on Phosphoric Acid Doped Radel-based Polysulfone Membranes for High Temperature Polymer Electrolyte Fuel Cells
Sign Up to like & getrecommendations! Published in 2017 at "Electrochimica Acta"
DOI: 10.1016/j.electacta.2016.12.088
Abstract: Abstract In previous work we tested the potential of Radel based membranes for use in the high temperature polymer electrolyte fuel cell (HT PEMFC), using aminoyridine (AP) and imidazole (IM) as phosphoric acid (PA) binding… read more here.
Keywords: temperature polymer; high temperature; electrolyte fuel; fuel ... See more keywords
Effects of metal foam properties on flow and water distribution in polymer electrolyte fuel cells (PEFCs)
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Hydrogen Energy"
DOI: 10.1016/j.ijhydene.2018.01.134
Abstract: Abstract Using a two-phase polymer electrolyte fuel cell (PEFC) model, we numerically investigated the influence of metal foam porous properties and wettability on key species and current distributions within a PEFC. Three-dimensional simulations were conducted… read more here.
Keywords: metal; metal foam; polymer electrolyte; electrolyte fuel ... See more keywords
Numerical investigation of cold-start behavior of polymer electrolyte fuel cells in the presence of super-cooled water
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Hydrogen Energy"
DOI: 10.1016/j.ijhydene.2018.06.112
Abstract: Abstract In this study, a mathematical model has been developed to simulate the transient cold-start processes of polymer electrolyte fuel cells. The super-cooled water is assumed to exist within the cell. The non-equilibrium water transfer… read more here.
Keywords: start; water; electrolyte fuel; cold start ... See more keywords
Hydration and dehydration cycles in polymer electrolyte fuel cells operated with wet anode and dry cathode feed: A neutron imaging and modeling study
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Power Sources"
DOI: 10.1016/j.jpowsour.2017.03.155
Abstract: Abstract Proper water management plays an essential role in the performance and durability of Polymer Electrolyte Fuel Cells (PEFCs), but it is challenged by the variety of water transport phenomena that take place in these… read more here.
Keywords: fuel cells; water; electrolyte fuel; hydration dehydration ... See more keywords
Effects of Pt and ionomer ratios on the structure of catalyst layer: A theoretical model for polymer electrolyte fuel cells
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Power Sources"
DOI: 10.1016/j.jpowsour.2017.11.026
Abstract: Abstract The 3D structure of the catalyst layer (CL) in the polymer electrolyte fuel cell (PEFC) is modeled with a Pt/carbon (Pt/C) ratio of 0.4–2.3 and ionomer/carbon (i/C) ratio of 0.5–1.5, and the structural properties… read more here.
Keywords: electrolyte fuel; catalyst layer; structure catalyst; polymer electrolyte ... See more keywords
Tailoring electrode microstructure via ink content to enable improved rated power performance for platinum cobalt/high surface area carbon based polymer electrolyte fuel cells
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Power Sources"
DOI: 10.1016/j.jpowsour.2020.228889
Abstract: Abstract Improvements in polymer electrolyte fuel cell (PEFC) electrode performance have primarily focused on catalyst and ionomer developments, marginalizing the importance of catalyst ink formulation. Herein, the effect of ink formulation is examined across a… read more here.
Keywords: ink; electrolyte fuel; power; high surface ... See more keywords
Enhanced Water Management of Polymer Electrolyte Fuel Cells with Additive-Containing Microporous Layers
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DOI: 10.1021/acsaem.8b01059
Abstract: This work describes the performance improvement of a polymer electrolyte fuel cell with a novel class of microporous layers (MPLs) that incorporates hydrophilic additives: one with 30 μm aluminosilicate fibers and another with multiwalled carbon… read more here.
Keywords: microporous layers; additive containing; water; electrolyte fuel ... See more keywords