Results 51 to 60 of about 5,522 (170)

A facile synthesis and assembly of ultrasmall Pt nanoparticles on reduced graphene oxide‑carbon black hybrid for enhanced performance in PEMFC

open access: yesMaterials & Design, 2018
A new and straightforward approach for the synthesis of ultrasmall and monodisperse Pt nanoparticles (NPs) and their controlled assembly on graphene based supports including reduced graphene oxide (rGO), commercial carbon black (VC) and rGO-VC hybrid ...
Melike Sevim Yılmaz   +3 more
doaj   +1 more source

Operando X-ray Fluorescence Analysis of Through-plane Cerium Ion Radical Quencher Migration in Polymer Electrolyte Fuel Cells

open access: yesElectrochemistry
Polymer electrolyte fuel cells (PEFCs) need to achieve long-term durability for widespread commercialization. Chemical degradation of the perfluorosulfonic acid (PFSA) membrane caused by radical species (·OH) can be mitigated by adding cerium ions as ...
Aika TAKEZAWA   +6 more
doaj   +1 more source

Proton-Conducting Polymer-Coated Carbon Nanofiber Mats for Pt-Anodes of High-Temperature Polymer-Electrolyte Membrane Fuel Cell. [PDF]

open access: yesMembranes (Basel), 2023
Skupov KM   +8 more
europepmc   +1 more source

Nanocomposite Membranes for Polymer Electrolyte Fuel Cells

open access: yesMacromolecular Materials and Engineering, 2014
Nanoparticles are known to play several roles as polymer fillers, among them reducing the bulk material price or adjusting the mechanical properties. In ion conducting polymer membranes, nanoparticles are also used to manipulate the water balance and fuel permeability of the membrane and to increase the ion conductivity.
Nagappan Nambi Krishnan   +3 more
openaire   +1 more source

Optimization of Polymer Electrolyte Membrane Fuel Cell Performance by Geometrical Changes [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2017
Three-dimensional computational fluid dynamics in house-code of a Polymer Electrolyte Membrane Fuel Cell (PEMFC) has been developed. The conservation equations are numerically solved using finite volume technique.
Nima Ahmadi   +3 more
doaj  

An Assessment on Additive Manufacturing Technique to Fabricate Integral PEM Fuel Cell/Electrolyser Component

open access: yesMATEC Web of Conferences, 2018
Additive Manufacturing (AM) is a reliable technique to build multifunctional components with any complex geometry. The present paper assesses the role of two vital AM techniques, namely Selective Laser Sintering (SLS) and Selective Laser Melting (SLM) in
Jayakumar Arunkumar
doaj   +1 more source

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