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Keywords: polymer electrolyte fuel cell
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Journal Articles

Stability Issues of Fuel Cell Models in the Activation and Concentration Regimes

S. B. Beale, U. Reimer, D. Froning, H. Jasak, M. Andersson, J. G. Pharoah, W. Lehnert
Journal: Journal of Electrochemical Energy Conversion and Storage
Publisher: ASME
Article Type: Research-Article
J. Electrochem. En. Conv. Stor. November 2018, 15(4): 041008.
Paper No: JEECS-17-1070
https://doi.org/10.1115/1.4039858
Published Online: May 7, 2018
... and y T is the transferred substance state [ 23 , 24 ]. Figure 4 shows Nernst potential, E , for a polymer electrolyte fuel cell (PEFC) operating with pure oxygen/hydrogen. Even for very small values of either a O 2 and a H 2 , values of E are still...
View Article titled, Stability Issues of Fuel Cell Models in the Activation and Concentration Regimes
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Topics: Boundary-value problems, Current density, Fuel cells, Mass transfer, Oxygen, Solid oxide fuel cells, Stability, Electrodes, Fuels, Circuits
Journal Articles

A Model of a High-Temperature Direct Methanol Fuel Cell

K. Scott, S. Pilditch, M. Mamlouk
Journal: Journal of Electrochemical Energy Conversion and Storage
Publisher: ASME
Article Type: Research-Article
J. Electrochem. En. Conv. Stor. October 2013, 10(5): 051003.
Paper No: FC-11-1037
https://doi.org/10.1115/1.4024833
Published Online: August 20, 2013
... low concentrations of methanol in the vapor phase. polymer electrolyte fuel cell polybenzimidazole PBI DMFC methanol membrane modeling Methanol has a relatively high theoretical volumetric energy density compared to hydrogen for fuel cells. Over recent decades there has been...
View Article titled, A Model of a High-Temperature Direct Methanol Fuel Cell
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Topics: Anodes, Catalysts, Direct methanol fuel cells, Membranes, Methanol, Temperature, Water, Oxygen, Current density, Fuel cells
Journal Articles

Irradiation Effect of Gamma Ray on Electrical Characteristics of Perfluorosulfonic Acid Polymer Membrane

Ghasem Forozani, Pezhman Shamshiri, Nasrin Sheikh
Journal: Journal of Electrochemical Energy Conversion and Storage
Publisher: ASME
Article Type: Technical Briefs
J. Electrochem. En. Conv. Stor. June 2012, 9(3): 034501.
https://doi.org/10.1115/1.4006051
Published Online: April 16, 2012
... with increasing the dose. The change in electrical conductivity seems to be related to the high production of peroxy radicals in the irradiated membrane. 18 08 2011 18 12 2011 16 04 2012 16 04 2012 proton conducting polymer polymer electrolyte fuel cell gamma radiation...
View Article titled, Irradiation Effect of Gamma Ray on Electrical Characteristics of Perfluorosulfonic Acid Polymer Membrane
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Topics: Absorption, Electrical conductivity, Electrolytes, Fuel cells, Gamma rays, Irradiation (Radiation exposure), Membranes, Polymers, Temperature, Ultraviolet radiation
Journal Articles

Polymer Electrolyte Fuel Cell Transport Mechanisms: A Universal Approach to Multilayer Two-Phase Modeling Through the General Transport Equation

Pratap Rama, Rui Chen
Journal: Journal of Electrochemical Energy Conversion and Storage
Publisher: ASME
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. October 2010, 7(5): 051007.
https://doi.org/10.1115/1.4001004
Published Online: July 16, 2010
...Pratap Rama; Rui Chen A mathematical multilayer, multispecies two-phase model for polymer electrolyte fuel cells (PEFCs) is presented based on fundamental molecular theory using the general transport equation (GTE). The GTE was previously developed and applied to bridge the gap that exists between...
View Article titled, <span class="search-highlight">Polymer</span> <span class="search-highlight">Electrolyte</span> <span class="search-highlight">Fuel</span> <span class="search-highlight">Cell</span> Transport Mechanisms: A Universal Approach to Multilayer Two-Phase Modeling Through the General Transport Equation
Open the PDF for <span class="search-highlight">Polymer</span> <span class="search-highlight">Electrolyte</span> <span class="search-highlight">Fuel</span> <span class="search-highlight">Cell</span> Transport Mechanisms: A Universal Approach to Multilayer Two-Phase Modeling Through the General Transport Equation in another window
Topics: Proton exchange membranes, Water, Fuel cells, Modeling
Journal Articles

Operating Experiences on Commercial Fuel Cell Units for Back Up Power Generation

Mauro Scagliotti, Carmen Valli
Journal: Journal of Electrochemical Energy Conversion and Storage
Publisher: ASME
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. June 2010, 7(3): 031014.
https://doi.org/10.1115/1.3207877
Published Online: March 16, 2010
...Mauro Scagliotti; Carmen Valli Extensive residential demonstration programs and the needs for innovative and reliable back up power systems are driving the development and diffusion of small ( < 10 kWe ) stationary fuel cell power systems. Low temperature polymer electrolyte fuel cell (PEFC...
View Article titled, Operating Experiences on Commercial Fuel Cell Units for Back Up Power Generation
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Topics: Electrical efficiency, Fuel cells, Hydrogen, Power systems (Machinery), Steady state, Stress, Emergency power, Reliability, Flow (Dynamics), Fuels
Journal Articles

Electrochemical Impedance Parameters for the Diagnosis of a Polymer Electrolyte Fuel Cell Poisoned by Carbon Monoxide in Reformed Hydrogen Fuel

Hironori Nakajima, Toshiaki Konomi, Tatsumi Kitahara, Hideaki Tachibana
Journal: Journal of Electrochemical Energy Conversion and Storage
Publisher: ASME
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. November 2008, 5(4): 041013.
https://doi.org/10.1115/1.2931462
Published Online: September 11, 2008
...Hironori Nakajima; Toshiaki Konomi; Tatsumi Kitahara; Hideaki Tachibana We have investigated the behavior of an operating polymer electrolyte fuel cell (PEFC) with supplying a mixture of carbon monoxide (CO) and hydrogen ( H 2 ) gases into the anode to develop the PEFC diagnosis method for anode CO...
View Article titled, Electrochemical Impedance Parameters for the Diagnosis of a <span class="search-highlight">Polymer</span> <span class="search-highlight">Electrolyte</span> <span class="search-highlight">Fuel</span> <span class="search-highlight">Cell</span> Poisoned by Carbon Monoxide in Reformed Hydrogen Fuel
Open the PDF for Electrochemical Impedance Parameters for the Diagnosis of a <span class="search-highlight">Polymer</span> <span class="search-highlight">Electrolyte</span> <span class="search-highlight">Fuel</span> <span class="search-highlight">Cell</span> Poisoned by Carbon Monoxide in Reformed Hydrogen Fuel in another window
Topics: Anodes, Carbon, Circuits, Current density, Electrochemical impedance spectroscopy, Electrodes, Electrolytes, Fuel cells, Hydrogen fuels, Overvoltage
Journal Articles

Polymer Electrolyte Fuel Cell Stacks at CNR-ITAE: State of the Art

G. Squadrito, O. Barbera, G. Giacoppo, F. Urbani, E. Passalacqua
Journal: Journal of Electrochemical Energy Conversion and Storage
Publisher: ASME
Article Type: Technical Papers
J. Electrochem. En. Conv. Stor. August 2007, 4(3): 350–356.
https://doi.org/10.1115/1.2756567
Published Online: April 20, 2006
...G. Squadrito; O. Barbera; G. Giacoppo; F. Urbani; E. Passalacqua Fuel cell technology development is one of the main activities at CNR-TAE Institute. Particular attention was devoted to polymer electrolyte fuel cells (PEFCs), which are the most probable candidates as future energy suppliers...
View Article titled, <span class="search-highlight">Polymer</span> <span class="search-highlight">Electrolyte</span> <span class="search-highlight">Fuel</span> <span class="search-highlight">Cell</span> Stacks at CNR-ITAE: State of the Art
Open the PDF for <span class="search-highlight">Polymer</span> <span class="search-highlight">Electrolyte</span> <span class="search-highlight">Fuel</span> <span class="search-highlight">Cell</span> Stacks at CNR-ITAE: State of the Art in another window
Topics: Computational fluid dynamics, Design, Electrolytes, Flow (Dynamics), Fuel cells, Polymers, Electrodes
Journal Articles

Review of Materials and Characterization Methods for Polymer Electrolyte Fuel Cell Flow-Field Plates

Daniel J. L. Brett, Nigel P. Brandon
Journal: Journal of Electrochemical Energy Conversion and Storage
Publisher: ASME
Article Type: Technical Papers
J. Electrochem. En. Conv. Stor. February 2007, 4(1): 29–44.
https://doi.org/10.1115/1.2393303
Published Online: March 25, 2006
...Daniel J. L. Brett; Nigel P. Brandon The role of the flow-field plate is of major importance in determining the performance of a polymer electrolyte fuel cell. The flow-field plate constitutes the largest volumetric and gravimetric proportion of the fuel cell stack and has a strong bearing...
View Article titled, Review of Materials and Characterization Methods for <span class="search-highlight">Polymer</span> <span class="search-highlight">Electrolyte</span> <span class="search-highlight">Fuel</span> <span class="search-highlight">Cell</span> Flow-Field Plates
Open the PDF for Review of Materials and Characterization Methods for <span class="search-highlight">Polymer</span> <span class="search-highlight">Electrolyte</span> <span class="search-highlight">Fuel</span> <span class="search-highlight">Cell</span> Flow-Field Plates in another window
Topics: Carbon, Composite materials, Contact resistance, Corrosion, Electrical conductivity, Electrolytes, Flow (Dynamics), Fuel cells, Graphite, Plates (structures)