PEM fuel cells
Numerical Investigation and Optimization of PEM Fuel Cells
... would enable these advancements to be integrated, provide a lower level of dependency on hardware prototype, and lower the development cycle duration. The CFCE needs a dynamic integration of the models that represent ...
5
Numerical Modeling of an Innovative Bipolar Plate Design Based on the Leaf Venation Patterns for PEM Fuel Cells
... Flow channel design on bipolar plates has a direct effect on Proton Exchange Membrane (PEM) fuel cell performance. It has been found out that the flow field design has a deterministic role on the mass ...
10
An Effective Computational Approach to the Parametric Study of the Cathode Catalyst Layer of PEM Fuel Cells
... the PEM fuel cell as a potential power source for portable electronic devices, automotive systems, and power plant ...of PEM fuel cells are high operating efficiency, near-zero greenhouse ...
6
Decision tree based approach for online management of pem fuel cells for residential application
... "1 declared that this thesis entitled 'Decision Tree-Based Approach for Online Management of PEM Fuel Cells for Residential Application' is the result of my own research except as cited [r] ...
24
Numerical Computation Of Multi-Component Two-Phase Flow in Cathode Of PEM Fuel Cells
... of PEM fuel cells is necessary due to the strong effect of liquid water existence in porous cathode GDL on fuel cell ...and fuel cell ...for PEM fuel ...
10
Modelling, simulation and performance evaluation: PEM fuel cells for high altitude UAS
... berating PEM fuel cell producing 150 W for an unmanned aircraft system ...deploying PEM fuel cells as a prime power source for UAS ...the fuel cell stack tests were carried out ...
260
Aqueous polyoxometalates: design and analysis of electrochemical catalysts for the indirect reduction of oxygen in PEM fuel cells
... in PEM fuel cells are ...the fuel cell is operated at elevated temperatures, it is possible for the carbon support to react with oxygen, forming carbon mono/dioxide which is removed from the ...
264
Numerical study on the formability of metallic bipolar plates for Proton Exchange Membrane (PEM) fuel cells
... the PEM fuel cell is strongly affected by the flow field design, several numerical models have been developed to analyse the coupled transport process and electrochemical reaction in PEM fuel ...
22
Metallic bipolar plates for proton exchange membrane (PEM) fuel cells
... Effects of O2 and H2 on the corrosion of SS316L metallic bipolar plate materials in simulated anode and cathode environments of PEM fuel cells.. An investigation into TiN-coated 316L s[r] ...
225
Reliability modelling of PEM fuel cells with hybrid Petri nets
... words, PEM fuel cell durability is governed not only by natural aging processes, which cannot be averted, but also by the operating conditions imposed on it by the environment and the supporting equip- ment ...
8
Component based modeling of PEM fuel cells with bond graphs
... Production and operation of more efficient, durable, and reliable PEM fuel cells remains an active area of research and development. Achieving such goals can be done via several routes. Chemists and ...
16
Performance evaluation of PEM fuel cells; impact of relative humidity, pressure and temperature of inlet species on the current density of the PEMFCs
... The following figures present effect of pressure of the anode and cathode side of a PEM fuel cell on the performance of the cell. Fig 3 (a) and 3(b) show the current density of the PEM fuel ...
9
An Investigation on Metallic Bipolar Plate Corrosion in Simulated Anode and Cathode Environments of PEM Fuel Cells using Potential-pH Diagrams
... thermal conductivity and recyclability. Also, they can be easily and consistently stamped to the desired shape to accommodate the flow channels [1]. As a component in PEMFC, metal bipolar plates should have very high ...
9
A comprehensive review of Pt electrocatalysts for the oxygen reduction reaction: nanostructure, activity, mechanism and carbon support in PEM fuel cells
... The sluggish rate of the oxygen reduction reaction (ORR) in proton exchange membrane (PEM) fuel cells has been a major challenge. Signi fi cantly increasing e ff orts have been made worldwide towards a ...
19
Dynamics of liquid water in the anode flow channels of PEM fuel cells: A numerical parametric study
... A 3D volume of fluid (VOF) model for an anode channel in a PEM fuel cell has been built. The effects of the initial position of the water droplet, its size as well as the wettability of the gas diffusion ...
27
Effects of Freezing and Thawing on the Structures of Porous Gas Diffusion Media in PEM Fuel Cells
... degradation Cho and the attributes the environmental chamber that temperature for current and voltage the current and proton of density at conductivity the fuel cell, as behavior 0.6 vol[r] ...
127
Active Water Management for PEM Fuel Cells
... 共 PVA 兲 filter which mates to a small tab machined into the wick 共 which protrudes from the stack structure 兲 , a porous borosilicate glass frit EO pump, platinum mesh electrodes, and a clam-shell design that holds the ...
10
Visualisation of water droplets during the operation of PEM fuel cells
... a fuel cell takes place at the catalyst layer of the ...realistic fuel cell conditions, the intrinsic permeability and dynamic viscosity of both gas and water do not remain ...
26
Studies on PEM Fuel Cells Using Various Alcohols for Low Power Applications
... propanol and methanol respectively. The performance of the remaining alcohols is out of comparison due to poor kinetics of the anode reactions. From Fig.1, of all, the performance of 2-propanol is better as it has the ...
9
A numerical study on liquid water behaviours in PEM fuel cell cathode.
... f PEM fuel ...transparent PEM fuel cell, and liquid water droplet formation and emerging o f liquid water were ...f PEM fuel cells [24, ...
176