Results 81 to 90 of about 101,067 (255)

Comprehensive optimization of an integrated energy system for power, hydrogen, and freshwater generation using high-temperature PEM fuel cell

open access: yesCase Studies in Thermal Engineering
Modern energy conversion technologies with low or no emissions are needed to achieve sustainable development goals. This research examines the thermodynamic and exergy-economic features of a high-temperature proton exchange membrane fuel cell.
Soheil Gharibzadeh   +3 more
doaj   +1 more source

Three-dimensional simulation of a new cooling strategy for proton exchange membrane fuel cell stack using a non-isothermal multiphase model [PDF]

open access: yes, 2019
In this study, a new cooling strategy for a proton exchange membrane (PEM) fuel cell stack is investigated using a three-dimensional (3D) multiphase non-isothermal model.
Jiao, K, Wang, Y, Yuan, H, Zhang, G
core  

A multi-objective optimisation model for a general polymer electrolyte membrane fuel cell system [PDF]

open access: yes, 2010
This paper presents an optimisation model for a general polymer electrolyte membrane (PEM) fuel cell system Suitable for efficiency and size trade-offs investigation.
Ang, SMC, Brett, DJL, Fraga, ES
core  

Application of electro-active biofilms [PDF]

open access: yes, 2010
The concept of an electro-active biofilm (EAB) has recently emerged from a few studies that discovered that certain bacteria which form biofilms on conductive materials can achieve a direct electrochemical connection with the electrode surface using it ...
Dumas, Claire   +4 more
core   +2 more sources

FUEL CELL PROTON EXCHANGE MEMBRANE - PRESENT AND PERSPECTIVES [PDF]

open access: yesAnnals: Series on engineering sciences (Academy of Romanian Scientists), 2012
The fuel cells could contribute to the reduction of the pollution emission and the fossil fuels due to the conversion efficiency which is higher than the other energy conversion systems.
Victor CIUPINA   +3 more
doaj  

Nonlinear predictive control for durability enhancement and efficiency improvement in a fuel cell power system [PDF]

open access: yes, 2016
© . This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/In this work, a nonlinear model predictive control (NMPC) strategy is proposed to improve the efficiency and enhance the ...
Hissel, Daniel   +5 more
core   +2 more sources

Teledyne Energy Systems, Inc., Proton Exchange Member (PEM) Fuel Cell Engineering Model Powerplant. Test Report: Initial Benchmark Tests in the Original Orientation [PDF]

open access: yes
Proton Exchange Membrane (PEM) fuel cell technology is the leading candidate to replace the alkaline fuel cell technology, currently used on the Shuttle, for future space missions.
Loyselle, Patricia, Prokopius, Kevin
core   +1 more source

Temperature control of open-cathode PEM fuel cells [PDF]

open access: yes, 2017
Proper temperature control of Proton Exchange Membrane (PEM) Fuel Cells is a crucial factor for optimizing fuel cell performance. A robust temperature controller is required for optimal water management of PEM fuel cells.
Costa Castelló, Ramon, Strahl, Stephan
core   +4 more sources

Fuel cell technology for lunar surface operations [PDF]

open access: yes
Hydrogen-oxygen fuel cells have been shown, in several NASA and contractor studies, to be an enabling technology for providing electrical power for lunar bases, outposts, and vehicles.
Deronck, Henry J.
core   +1 more source

Numerical Optimization of Flow Field Pattern by Mass Transfer and Electrochemical Reaction Characteristics in Proton Exchange Membrane Fuel Cells

open access: yesInternational Journal of Electrochemical Science, 2013
Flow field pattern affects the mass transfer and electrochemical reaction characteristics which influence the distribution of reacting gases as well as the performance of proton exchange membrane fuel cell.
Bonghwan Lee, Kiwon Park, Hyung-Man Kim
doaj   +1 more source

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