Results 11 to 20 of about 677,975 (315)

Nanostructured Pd-Based Electrocatalyst and Membrane Electrode Assembly Behavior in a Passive Direct Glycerol Fuel Cell

open access: yesNanoscale Research Letters, 2019
The aim of this study was to synthesize, characterize, and observe the catalytic activity of Pd1Au1 supported by vapor-grown carbon nanofiber (VGCNF) anode catalyst prepared via the chemical reduction method.
N. Yahya   +4 more
doaj   +1 more source

Potential of 3D Hierarchical Porous TiO2-Graphene Aerogel (TiO2-GA) as Electrocatalyst Support for Direct Methanol Fuel Cells

open access: yesNanomaterials, 2023
Fuel cells have already demonstrated their potential for green energy generation. However, the low reaction performance becomes an obstacle in terms of large-scale commercial manufacturing.
Siti Hasanah Osman   +3 more
doaj   +1 more source

Fabrication and Characterization of New Composite Tio2 Carbon Nanofiber Anodic Catalyst Support for Direct Methanol Fuel Cell via Electrospinning Method

open access: yesNanoscale Research Letters, 2017
Platinum (Pt) is the common catalyst used in a direct methanol fuel cell (DMFC). However, Pt can lead towards catalyst poisoning by carbonaceous species, thus reduces the performance of DMFC. Thus, this study focuses on the fabrication of a new composite
N. Abdullah   +3 more
doaj   +1 more source

Surface oxidation of petroleum pitch to improve mesopore ratio and specific surface area of activated carbon

open access: yesScientific Reports, 2021
In this study, surface oxidation of petroleum pitch was performed to enhance the thermal stability, specific surface area, and mesopore ratio of activated carbon. The oxygen uptake of the pitch by surface oxidation has a strong influence on the formation
Song Mi Lee, Seon Ho Lee, Doo-Hwan Jung
doaj   +1 more source

Algebraic observer design for PEM fuel cell system [PDF]

open access: yes, 2016
© 20xx IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new ...
Baroud, Zakaria   +3 more
core   +1 more source

Influence of Graphene Oxide on the Ethanol Permeability and Ionic Conductivity of QPVA-Based Membrane in Passive Alkaline Direct Ethanol Fuel Cells

open access: yesNanoscale Research Letters, 2019
Passive alkaline–direct ethanol fuel cells (alkaline–DEFCs) appear to be suitable for producing sustainable energy for portable devices. However, ethanol crossover is a major challenge for passive alkaline–DEFC systems.
Z. Zakaria   +2 more
doaj   +1 more source

Developed endplate geometry for uniform contact pressure distribution over PEMFC active area [PDF]

open access: yesHydrogen, Fuel Cell & Energy Storage, 2020
Contact resistance among the components of a polymer exchange membrane fuel cell (PEMFC) has a crucial effect on cell performance. The geometry of the endplate plays an essential role in the contact pressure distribution over the membrane electrode ...
Mohammad Barzegari   +4 more
doaj   +1 more source

Novel Anodic Catalyst Support for Direct Methanol Fuel Cell: Characterizations and Single-Cell Performances

open access: yesNanoscale Research Letters, 2018
This study introduces a novel titanium dioxide carbon nanofiber (TiO2-CNF) support for anodic catalyst in direct methanol fuel cell. The catalytic synthesis process involves several methods, namely the sol-gel, electrospinning, and deposition methods ...
N. Abdullah   +2 more
doaj   +1 more source

Fuel cell fundamentals [PDF]

open access: yes, 2023
Proton exchange membrane fuel cells (PEMFCs) are considered one of the viable solutions to the decarbonization of the transport sector. However, their performance and durability are yet to be competitive with internal engine vehicles due to the complex interaction of electrochemical and physical phenomena in PEMFCs.
Xing, Lei, Xuan, Jin, Das, Prodip K.
openaire   +1 more source

Design of experiment study of the parameters that affect performance of three flow plate configurations of a proton exchange membrane fuel cell [PDF]

open access: yes, 2010
Low temperature hydrogen fuel cells are electrochemical devices which offer a promising alternative to traditional power sources. Fuel cells produce electricity with a reaction of the fuel (hydrogen) and air. Fuel cells have the advantage of being clean;
Carton, James, Olabi, Abdul-Ghani
core   +1 more source

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