scholarly journals Depositing Catalyst Layers in Polymer Electrolyte Membrane Fuel Cells: A Review

2015 ◽  
Vol 12 (6) ◽  
Author(s):  
Austin Strong ◽  
Courtney Thornberry ◽  
Shane Beattie ◽  
Rongrong Chen ◽  
Stuart R. Coles
Keyword(s):  
Polymer Electrolyte Membrane ◽  
Membrane Electrode Assembly ◽  
Membrane Electrode ◽  
Improve Performance ◽  
Electrolyte Membrane ◽  
The Past ◽  
Catalyst Layers ◽  
Energy Needs ◽  
Promising Solution ◽  
Manufacturing Techniques

Fuel cell technology continues to advance and offers to be a potentially promising solution to many energy needs. Of particular interest are manufacturing techniques to improve performance and decrease overall cost. For catalyst deposition on the membrane electrode assembly (MEA), there are a number of techniques that have been used in the past decades. This paper aims to review many of these main techniques that have been published to show the wide variety of catalyst deposition methods.

An Analytical Model of the Membrane Electrode Assembly in a PEMFC

2005 ◽  
Author(s):  
S. Litster ◽  
N. Djilali
Keyword(s):  
Fuel Cells ◽  
Analytical Model ◽  
Polymer Electrolyte Membrane ◽  
Finite Thickness ◽  
Catalyst Layer ◽  
Ambient Air ◽  
Membrane Electrode Assembly ◽  
Membrane Electrode ◽  
Electrolyte Membrane ◽  
Catalyst Layers

An analytical model of the membrane electrode assembly (MEA) in a polymer electrolyte membrane fuel cell (PEM) has been developed for investigating the effect of catalyst layer specifications. Emphasis is placed on the cathode catalyst layer, which is modeled using a finite-thickness formulation with parameters obtained from a variable-width macrohomogeneous model. The variable-width formulation accounts for the effect of changing catalyst layer specifications on the dimensions of the catalyst layer by assuming a constant void fraction. Interest in low-humidity operation of micro-fuel cells that are passively fed ambient air has facilitated the present derivations and assumptions. The model is shown to agree well with experimental data over a substantial range of catalyst layer specifications. In addition, the model shows excellent promise as a tool for optimizing catalyst layers in micro-fuel cells with passive ambient air breathing.

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