Results 31 to 40 of about 269,863 (349)
Overcoming the Electrode Challenges of High-Temperature Proton Exchange Membrane Fuel Cells
Electrochemical Energy Reviews, 2023 Proton exchange membrane fuel cells (PEMFCs) are becoming a major part of a greener and more sustainable future. However, the costs of high-purity hydrogen and noble metal catalysts alongside the complexity of the PEMFC system severely hamper their ...
Quentin Meyer +3 more
semanticscholar +1 more source
Improved Model Predictive Control for a Proton Exchange Membrane Fuel Cell
International Journal of Electrochemical Science, 2012 Proton exchange membrane fuel cells are promising energy sources. Because of their time-change, uncertainty, strong-coupling and nonlinear characteristics, proton exchange membrane fuel cells present complex control challenges.
Liping Fan +3 more
doaj +1 more source
Advanced Science, 2023 Proton exchange membranes with high proton conductivity and low crossover of fuel molecules are required to realize advanced fuel‐cell technology. The selective transportation of protons, which occurs by blocking the transportation of fuel molecules ...
Samuel Jeong +5 more
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Study on ordered anode in proton exchange membrane water electrolysers
, 2023 Acidic oxygen evolution reaction is crucial for proton exchange membrane water electrolysers, which have been hindered by the high catalytic overpotential and high loading of noble metal catalysts and high mass transfer resistance.
Ru, Chen +6 more
core +1 more source
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
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
Proton Exchange Membrane Fuel Cells (PEMFCs): Advances and Challenges
Polymers, 2021 The study of the electrochemical catalyst conversion of renewable electricity and carbon oxides into chemical fuels attracts a great deal of attention by different researchers.
M. M. Tellez-Cruz +3 more
semanticscholar +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