Results 21 to 30 of about 198,175 (357)

Improved Model Predictive Control for a Proton Exchange Membrane Fuel Cell

open access: yesInternational 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

Research on the Influence of Ripple Voltage on the Performance of a Proton Exchange Membrane Electrolyzer

open access: yesEnergies, 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

Water and charge transport models in proton exchange membranes: An overview [PDF]

open access: yes, 2012
Recently, the significant role of water management in affecting the performance and durability of proton exchange membrane fuel cell (PEMFC) has been subjective to an intensive research to understand water transport phenomena which is marked by two ...
Ahmed Aly, Amgad   +1 more
core   +1 more source

Electrostatically localized proton bioenergetics: better understanding membrane potential

open access: yesHeliyon, 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

Real-time monitoring of proton exchange membrane fuel cell stack failure [PDF]

open access: yes, 2016
Uneven pressure drops in a 75-cell 9.5-kWe proton exchange membrane fuel cell stack with a U-shaped flow configuration have been shown to cause localised flooding.
Brandon, NP   +5 more
core   +2 more sources

Composite membranes for proton exchange membrane fuel cells based on methyl methacrylate-co-maleimide /phosphotungstic acid [PDF]

open access: yesشیمی 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

Multi-functional anodes boost the transient power and durability of proton exchange membrane fuel cells. [PDF]

open access: yes, 2020
Proton exchange membrane fuel cells have been regarded as the most promising candidate for fuel cell vehicles and tools. Their broader adaption, however, has been impeded by cost and lifetime.
Cai, Mei   +14 more
core  

Magnetic field alignment of stable proton-conducting channels in an electrolyte membrane

open access: yesNature 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

Rapid Prototyping of PEM Fuel Cell Bi-Polar Plates using 3D Printing and Thermal Spray Deposition [PDF]

open access: yes, 2005
This article presents the results of exploratory research on novel methods for the fabrication of functional, metallic, gas flow, bi polar plates (BPP) for use in proton exchange membrane fuel cells (PEMFC). Low cost, high speed, additive manufacturing
Batalov, Marat   +3 more
core   +1 more source

Fabrication of Cellulose Acetate-Based Proton Exchange Membrane with Sulfonated SiO2 and Plasticizers for Microbial Fuel Cell Applications

open access: yesMembranes, 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

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