scholarly journals Understanding the role of the anode on the polarization losses in high-temperature polymer electrolyte membrane fuel cells using the distribution of relaxation times analysis

2020 ◽  
Vol 471 ◽  
pp. 228469 ◽  
Author(s):  
N. Bevilacqua ◽  
M.A. Schmid ◽  
R. Zeis
Keyword(s):  
Fuel Cells ◽  
High Temperature ◽  
Polymer Electrolyte ◽  
Polymer Electrolyte Membrane ◽  
Relaxation Times ◽  
Electrolyte Membrane

scholarly journals Correlating high temperature thin film ionomer electrode binder properties to hydrogen pump polarization

2021 ◽  
Author(s):  
Gokul Venugopalan ◽  
Deepra Bhattacharya ◽  
Subarna Kole ◽  
Cameron Ysidron ◽  
Polyxeni P. Angelopoulou ◽  
...  
Keyword(s):  
Thin Film ◽  
Fuel Cells ◽  
High Temperature ◽  
Polymer Electrolyte ◽  
Polymer Electrolyte Membrane ◽  
Pem Fuel Cells ◽  
Profound Impact ◽  
Electrolyte Membrane ◽  
Electrode Binder ◽  
Hydrogen Pump

Ionomer electrode binders are important materials for polymer electrolyte membrane (PEM) fuel cells and electrolyzers and have a profound impact on cell performance. Herein, we report the effect of two...

PROTON-CONDUCTING POLYMERS AS ELECTROLYTE FOR FUEL CELLS

NANO ◽  
2008 ◽  
Vol 03 (05) ◽  
pp. 381-386 ◽  
Author(s):  
DANIELA EBRASU ◽  
IOAN STAMATIN ◽  
ASHOK VASEASHTA
Keyword(s):  
Fuel Cells ◽  
High Temperature ◽  
Conducting Polymers ◽  
Polymer Electrolyte ◽  
Water Uptake ◽  
Water Retention ◽  
Polymer Electrolyte Membrane ◽  
Electrolyte Membrane ◽  
Simple Processing ◽  
Processing Steps

The objective of this investigation is to evaluate a series of polymer electrolyte membrane materials based on sulfonated ladder pyridine polymers and SiO 2 nanoparticles that enhance water retention and favor high temperature (> 120°C) applications. Nanoparticles are used to improve water uptake at levels of 20–38% to increase the level of sulfonation. A study of relevant characteristics of these polymers will provide an alternative to existing polymers, thus offering simple processing steps, as well as nonexotic polymers and higher performances.

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