Results 31 to 40 of about 14,708 (307)
, 2022 The effect of surface roughness of the catalyst layer (CL) based on carbon-nanotube (CNTs) in contact with polymer electrolyte membrane (PEM) in polymer electrolyte membrane fuel cell (PEMFC) was studied.
Samindi, Jayawickrama +6 more
core +1 more source
Results in Physics, 2019 In order to elucidate the cell performance related to swelling or flooding of the polymer electrolyte membrane (Nafion®), we performed in-situ measurements of small-angle neutron scattering (SANS) and neutron radiography (NR) for a polymer electrolyte ...
Satoru Ueda +2 more
doaj +1 more source
Catalytic activity of carbon-supported iridium oxide for oxygen reduction reaction as a Pt-free catalyst in polymer electrolyte fuel cell [PDF]
, 2011 Iridium oxide supported on Vulcan XC-72 carbon black (IrO_2/C) as a cathode catalyst for polymer electrolyte fuel cell (PEFC) has been characterized by transmission electron microscopy (TEM) and X-ray diffraction (XRD) measurement.
H. Yugami +7 more
core +1 more source
AIP Advances, 2019 The heterogeneous performance of polymer electrolyte fuel cell in space and time was discussed for operation at high current density. The cell voltage, detected by a segmented electrode, varies along a gas flow channel from upper to bottom stream and ...
Satoshi Koizumi +3 more
doaj +1 more source
Enhanced Performance of the Solid Alkaline Fuel Cell Using PVA-KOH Membrane
International Journal of Electrochemical Science, 2013 Poly(vinyl alcohol) (PVA) is a polyhydroxy polymer, which is very common in practical applications because of its easy preparation and biodegradability. In this work, the alkaline solid polymer electrolyte membrane, based on potassium hydroxide doped PVA,
Dragana L. Zugic +4 more
doaj +1 more source
Modelling and Simulation of a Hydrogen-Based Hybrid Energy Storage System with a Switching Algorithm
World Electric Vehicle Journal, 2022 Currently, transitioning from fossil fuels to renewable sources of energy is needed, considering the impact of climate change on the globe. From this point of view, there is a need for development in several stages such as storage, transmission, and ...
Vishal Ram +2 more
doaj +1 more source
Electroactive Metal–Organic Frameworks for Electrocatalysis
Advanced Functional Materials, Volume 36, Issue 43, 29 May 2026.Electrocatalysis is crucial in sustainable energy conversion as it enables efficient chemical transformations. The review discusses how metal–organic frameworks can revolutionize this field by offering tailorable structures and active site tunability, enabling efficient and selective electrocatalytic processes.
Irena Senkovska +7 more
wiley +1 more source
Development of an alkaline anion exchange membrane direct ethylene glycol fuel cell stack
, 2022 S.1987-1996KOH-doped PBI and quaternary amine alkaline anion exchange membranes were tested with commercial and homemade gas diffusion electrodes employing a non-noble metal catalyst.
Müller, D. +4 more
core +1 more source
Chemical Engineering Journal Advances, 2022 : Among all fuel cells, proton exchange membrane fuel cells (PEMFCs) are appealing energy conversion devices in portable and transportation applications because of their higher efficiency, excellent ability to reduce air pollution, lightweight ...
Tushar Kanti Maiti +6 more
doaj +1 more source
Polarizable Vanadium Dipoles Promote Water Dissociation on Vanadium‐Based Metal Organic Framework
Advanced Functional Materials, EarlyView.The polarization of unpaired V 3d electrons weakens the H─O bond to improve water dissociation by the dual Vδ+:O─H and Pλ−:H─O coupling hydrogen bonds formation and relaxation. P@V‐MOF electrocatalyst shows low overpotentials (94 mV in acid, 178 mV in neutral, and 77 mV in alkaline solutions) with excellent stability for effective overall water ...
Xinjuan Liu +13 more
wiley +1 more source