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A Modeling Study of PEM Fuel Cell with Novel Catalyst Monolayers under Low Platinum Loading

2022 ◽  
Author(s):  
Jingtian Wu ◽  
Huiyuan Liu ◽  
Yujiang Song ◽  
Yun Wang
Keyword(s):  
Fuel Cell ◽  
Polymer Electrolyte ◽  
Polymer Electrolyte Membrane ◽  
Pem Fuel Cell ◽  
Pem Fuel Cells ◽  
Major Barrier ◽  
Electrolyte Membrane ◽  
Catalyst Layers ◽  
Novel Catalyst ◽  
Platinum Loading

Cost is a major barrier to commercialization of polymer electrolyte membrane (PEM) fuel cells. Catalyst layers (CLs) contribute to a major portion of PEM fuel cell cost due to the...

scholarly journals Ionomer Films Impact on The Structure, Flow Regime, and The Wettability of The Catalyst Layer of PEMFC

2022 ◽  
Vol 334 ◽  
pp. 04019
Author(s):  
Karrar Alofari ◽  
Ezequiel Me´dici ◽  
Kazuya Tajiri ◽  
Jeffrey Allen
Keyword(s):  
Relative Humidity ◽  
Mass Transport ◽  
Catalyst Layer ◽  
Contact Angles ◽  
Catalyst Layers ◽  
Angle Measurements ◽  
Contact Angle Measurements ◽  
Structure Flow ◽  
Clear Change

Percolation testing and contact angle measurements have been used to investigate the role of relative humidity on structure, mass transport, and wettability of a PEM fuel cell catalyst layer and membrane. Four samples were tested, two catalyst layers and two membranes. Structure and mass transport changes in the catalyst layers resulting from RH changes were studied in terms of percolation pressure. A clear change in the structure between low and high RH conditioning was observed. Relative humidity (RH) cycling also impacted percolation pressures with an indication of catalyst layer cracking. In addition, RH effect on wettability of both catalyst layers and membranes was studied by measuring contact angles of sessile drops.

Dual-layer catalyst layers for increased proton exchange membrane fuel cell performance

2021 ◽  
Vol 514 ◽  
pp. 230574
Author(s):  
Yannick Garsany ◽  
Robert W. Atkinson ◽  
Benjamin D. Gould ◽  
Rachel Martin ◽  
Laetitia Dubau ◽  
...  
Keyword(s):  
Fuel Cell ◽  
Proton Exchange Membrane ◽  
Proton Exchange ◽  
Cell Performance ◽  
Fuel Cell Performance ◽  
Catalyst Layers ◽  
Exchange Membrane

scholarly journals Electrochemical- and mechanical stability of catalyst layers in anion exchange membrane water electrolysis

2021 ◽  
Author(s):  
Britta Mayerhöfer ◽  
Florian D. Speck ◽  
Manuel Hegelheimer ◽  
Markus Bierling ◽  
Dunia Abbas ◽  
...  
Keyword(s):  
Anion Exchange ◽  
Mechanical Stability ◽  
Water Electrolysis ◽  
Anion Exchange Membrane ◽  
Catalyst Layers ◽  
Exchange Membrane

Slot-Die-Coating Operability Windows for Polymer Electrolyte Membrane Fuel Cell Cathode Catalyst Layers

2021 ◽  
Author(s):  
Erin B. Creel ◽  
Kristianto Tjiptowidjojo ◽  
J. Alex Lee ◽  
Kelsey M. Livingston ◽  
P. Randall Schunk ◽  
...  
Keyword(s):  
Fuel Cell ◽  
Polymer Electrolyte ◽  
Polymer Electrolyte Membrane ◽  
Cathode Catalyst ◽  
Slot Die Coating ◽  
Electrolyte Membrane ◽  
Catalyst Layers ◽  
Slot Die ◽  
Fuel Cell Cathode ◽  
Cell Cathode

Catalyst Layers for Fluorine-Free Hydrocarbon PEMFCs.

2021 ◽  
pp. 139479
Author(s):  
Emmanuel Balogun ◽  
Peter Mardle ◽  
Hien Nguyen ◽  
Matthias Breitwieser ◽  
Steven Holdcroft
Keyword(s):  
Catalyst Layers
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