Results 31 to 40 of about 3,400,569 (307)
The State of the Art in Fuel Cell Condition Monitoring and Maintenance [PDF]
, 2010 Fuel cell vehicles are considered to be a viable solution to problems such as carbon emissions and fuel shortages for road transport. Proton Exchange Membrane (PEM) Fuel Cells are mainly used in this purpose because they can run at low temperatures and ...
Morris, Adrian +3 more
core +5 more sources
Electrostatically localized proton bioenergetics: better understanding membrane potential
Heliyon, 2019 In Mitchell's chemiosmotic theory, membrane potential Δψ was given as the electric potential difference across the membrane. However, its physical origin for membrane potential Δψ was not well explained.
James Weifu Lee
doaj +1 more source
Reduced-dimensional models for straight-channel proton exchange membrane fuel cells [PDF]
, 2010 A comprehensive description of proton exchange membrane fuel cell (PEMFC) performance includes the transport phenomena, phase change and electrochemical reaction inside the several components, which possess disparate characteristics and together form a ...
Sui, P.C. +5 more
core +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]
, 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;
Olabi, Abdul-Ghani, Carton, James
core +1 more source
Magnetic field alignment of stable proton-conducting channels in an electrolyte membrane
Nature Communications, 2019 Proton exchange membranes with short-pathway through-plane proton conductivity are attractive for proton exchange membrane fuel cells. Here the authors align proton conducting channels orthogonal to the plane of composite proton exchange membranes using ...
Xin Liu +12 more
doaj +1 more source
Energies, 2023 The power quality of hydrogen production converters is related to the characteristics of electrolytic hydrogen production, which is crucial to efficiency, power loss and other performance factors of hydrogen production.
Tianze Yuan +3 more
doaj +1 more source
Composite membranes for proton exchange membrane fuel cells based on methyl methacrylate-co-maleimide /phosphotungstic acid [PDF]
شیمی کاربردی روز, 2018 Poly(methyl methacrylate-co-nitrophenyl maleimide) (MMA-co-NMI) and poly(methyl methacrylate-co-hydroxyphenyl maleimide) (MMA-co-HMI) copolymers were synthesized using free radical polymerization of MMA with a new MI monomer containing phenyl ...
zahra seidzadeh +3 more
doaj +1 more source
Membranes, 2023 Developing a hybrid composite polymer membrane with desired functional and intrinsic properties has gained significant consideration in the fabrication of proton exchange membranes for microbial fuel cell applications.
Gowthami Palanisamy +5 more
doaj +1 more source
Jurnal Kimia Riset, 2016 Abstrak Di era globalisasi ini, kebutuhan bahan bakar fosil semakin meningkat dan ketersediannya semakin menipis. Oleh karena itu, dibutuhkan bahan bakar alternatif seperti Proton Exchange Membrane Fuel Cell (PEMFC).
Siti Wafiroh +2 more
doaj +1 more source
Surface-coupled proton exchange of a membrane-bound proton acceptor [PDF]
Proceedings of the National Academy of Sciences, 2010 Proton-transfer reactions across and at the surface of biological membranes are central for maintaining the transmembrane proton electrochemical gradients involved in cellular energy conversion. In this study, fluorescence correlation spectroscopy was used to measure the local protonation and deprotonation rates of single pH ...
Sandén, Tor +3 more
openaire +3 more sources