Journal of Fuel Cell Science and Technology: Recent submissions
Now showing items 261-280 of 854
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Design, Optimization, and Fabrication of Slotted-Interdigitated Thin Metallic Bipolar Plates for PEM Fuel Cells
(The American Society of Mechanical Engineers (ASME), 2011)Thin metallic sheet bipolar plates (BPPs) with sustainable coating are promising candidates to replace conventional graphitic or machined thick metal plates due to their lightweight and low cost. ... -
Through-Plane Thermal Conductivity of PEMFC Porous Transport Layers
(The American Society of Mechanical Engineers (ASME), 2011)We report the through-plane thermal conductivities of the several widely used carbon porous transport layers (PTLs) and their thermal contact resistance to an aluminum polarization plate. We ... -
Power Generation Properties of Microtubular Solid Oxide Fuel Cell Bundle Under Pressurized Conditions
(The American Society of Mechanical Engineers (ASME), 2011)A microtubular solid oxide fuel cell (SOFC) bundle was developed based on a new design. Anode-supported microtubular SOFCs with the cell configuration, La0.6Sr0.4Co0.2Fe0.8O3 (LSCF)-Ce0.9Gd0.1O1.95 ... -
Implementing Thermal Management Modeling Into SOFC System Level Design
(The American Society of Mechanical Engineers (ASME), 2011)Effective thermal management is critical to the successful design of small (<10 kW) solid oxide fuel cell (SOFC) power systems. While separate unit processes occur within each component of ... -
Measurement of Average Contact Angles of Gas Diffusion Layers Using a Novel Fluorescence Microscopy Method
(The American Society of Mechanical Engineers (ASME), 2011)One of the major problems of current proton exchange membrane (PEM) fuel cells is water management. The gas diffusion layer (GDL) of the fuel cell plays an important role in water management ... -
Optimization of a Single-Cell Solid-Oxide Fuel Cell Using Computational Fluid Dynamics
(The American Society of Mechanical Engineers (ASME), 2011)To determine the effects of various parameters on the performance of a solid-oxide fuel cell (SOFC), a series of simulations was performed using computational fluid dynamics (CFD). The first ... -
Modification of Results From Computational-Fluid-Dynamics Simulations of Single-Cell Solid-Oxide Fuel Cells to Estimate Multicell Stack Performance
(The American Society of Mechanical Engineers (ASME), 2011)A typical single-cell fuel cell is capable of producing less than 1 V of direct current. Therefore, to produce the voltages required in most industrial applications, many individual fuel cells ... -
Solution Precursor Plasma Spray of Porous La1−xSrxMnO3 Perovskite Coatings for SOFC Cathode Application
(The American Society of Mechanical Engineers (ASME), 2011)The deposition of porous La1−xSrxMnO3 (LSM) perovskite cathode materials by conventional plasma spray has been a challenge because of the decomposition of perovskite materials to their suboxides ... -
Ripple Current Effects on PEMFC Aging Test by Experimental and Modeling
(The American Society of Mechanical Engineers (ASME), 2011)Polymer electrolyte membrane fuel cells’ (PEMFCs) systems usually require power conditioning by a dc-dc boost converter to increase the output fuel cell voltage, especially for automotive applications ... -
Review on the Properties of Nano-/Microstructures in the Catalyst Layer of PEMFC
(The American Society of Mechanical Engineers (ASME), 2011)The catalyst layer (CL) of a proton exchange membrane fuel cell involves various particles and pores that span a wide range of length scales, from several nanometers to a few microns. The ... -
A PEFC With Pt–TiO2/C as Oxygen-Reduction Catalyst
(The American Society of Mechanical Engineers (ASME), 2011)Carbon-supported Pt–TiO2(Pt–TiO2/C) catalyst with varying atomic ratio of Pt to Ti, namely, 1:1, 2:1, and 3:1, is prepared by sol-gel method and its electrocatalytic activity toward oxygen-reduction ... -
A Degradation Measurement System for Polymer Electrolyte Membrane Fuel Cells Using a Dead-Ended Passive Stack and Time-Varying Load
(The American Society of Mechanical Engineers (ASME), 2011)A degradation measurement system has been developed for polymer electrolyte membrane fuel cells to reveal the relationship between degradation rates and electric load variations. The system involves ... -
Transient Performance of Micro-Tubular Solid Oxide Fuel Cells
(The American Society of Mechanical Engineers (ASME), 2011)The transient performance of microtubular solid oxide fuel cells was investigated, with promising results. It was found that a single cell can take less than half a second to adjust to load ... -
Optimizing the Design and Deployment of Stationary Combined Heat and Power Fuel Cell Systems for Minimum Costs and Emissions—Part II: Model Results
(The American Society of Mechanical Engineers (ASME), 2011)The maximizing emission reductions and economic savings simulator (MERESS) is an optimization tool that evaluates novel strategies for installing and operating combined heat and power (CHP) fuel ... -
Design and Performance Test of the Direct Methanol Fuel Cell System
(The American Society of Mechanical Engineers (ASME), 2011)This paper aims to analyze the membrane electrode assembly (MEA) of the direct methanol fuel cell (DMFC) in order to provide a reference for the design of DMFC. The slow kinetics of methanol ... -
Optimizing the Design and Deployment of Stationary Combined Heat and Power Fuel Cell Systems for Minimum Costs and Emissions—Part I: Model Design
(The American Society of Mechanical Engineers (ASME), 2011)Stationary combined heat and power (CHP) fuel cell systems (FCSs) can provide electricity and heat for buildings and can reduce greenhouse gas (GHG) emissions significantly if they are configured ... -
CFD Modeling: Different Kinetic Approaches for Internal Reforming Reactions in an Anode-Supported SOFC
(The American Society of Mechanical Engineers (ASME), 2011)Fuel cells are electrochemical devices that convert chemical energy into electricity. Solid oxide fuel cells (SOFCs) are a particularly interesting type because they can reform hydrocarbon fuels ... -
Development of Direct Carbonate Fuel Cell Systems for Achieving Ultrahigh Efficiency
(The American Society of Mechanical Engineers (ASME), 2011)FuelCell Energy, Inc. (FCE) has developed products based on its Direct FuelCell® (DFC® ) technology with efficiencies near 50% based on lower heating values of natural gas. DFC is an ... -
SOFC Management in Distributed Energy Systems
(The American Society of Mechanical Engineers (ASME), 2011)Among the distributed generation emerging technologies, solid oxide fuel cells (SOFCs) seem to be the most promising for small and medium power (up to 1 MW) as they feature extremely high ... -
Experimental Evaluation of Planar SOFC Single Unit Cell With Crofer22APU Plate Assembly
(The American Society of Mechanical Engineers (ASME), 2011)This paper describes an experimental analysis of a planar solid oxide fuel cell (SOFC) single unit cell with Crofer22APU plate assembly. The work reports the electrical behavior of such a ...