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Table of contents
1. State of art on Polymer Electrolyte Membrane devices for hydrogen carrier
1.1.1. Polymer Electrolyte Membrane Water Electrolysis
1.1.2. Polymer Electrolyte Membrane Fuel cells
1.1.3. Polymer Electrolyte Membrane compressor/concentration
1.2.1. Single Cell Design
1.2.2. Polymer Electrolyte Membrane
1.2.3. Catalyst Layer
1.2.4. Gas Diffusion Layer (GDL)
1.2.5. Bipolar Plates
1.2.6. Polymer Electrolyte Membrane Cell Performance and Phenomena
1.3.1. Purification methods
1.3.2. Comparison of Hydrogen Compression
1.3.3. Applied aspect of electrochemical compression/purification
1.3.4. Operating conditions
2. Modeling of Polymer Electrolyte Membrane cells (steady state, DC modeling)
2.2.1 Charge balance in the catalytic layer
2.2.2 Charge balance in the membrane
2.2.3 Mass balance in the membrane
2.3.1 Dimensionless equations
2.3.2 Analytical solution of the dimensionless equations
2.4.1 Dimensionless ionic current density distribution in catalyst layer
2.4.2 Dimensionless water content distribution in membrane
2.4.3 Dimensionless over potential variation
3. Polymer Electrolyte Membrane Cells Experimental Application: Electrochemical hydrogen compression/concentrator (or purification)
3.1.1 Conductivity measurement Setup
3.1.2 Electrochemical Hydrogen Compression Setup
3.2.1 Conductivity measurements for PEM membrane Nafion®
3.2.3 Measurements for PEM membrane Nafion® N117: Ammonia (NH3) effects
3.3.1 Online results: Pressure variation
3.3.2 Membrane resistance analysis for in situ experiment of EHC
3.4.1 Entropy analysis
3.4.2 Electrochemical Impedance Spectroscopy (EIS) comparison
3.6.1 Pressure variation for low hydrogen concentration
3.6.2 Pressure variation with methanol contamination
4. Polymer Electrolyte Membrane Cells Electrochemical Impedance Spectroscopy Modeling
4.1.1 The Principle of the Electrochemical Impedance Spectroscopy
4.1.2 The Electrochemical Impedance Spectroscopy approach methodology
4.1.3 Resolution example:
4.1.4 Equivalent electrical circuit
4.2.1 The equation system development at the active layer
4.2.2 Analytical solution of the equation
4.3.1 Electrochemical Impedance Spectroscopy: Frequency behaviors
4.3.2 Electrochemical Impedance Spectroscopy: Influence of σ and Rf
4.3.3 Electrochemical Impedance Spectroscopy: Experimental analysis
