Keyphrases
Chitosan
100%
Proton Exchange Membrane Fuel Cell (PEMFC)
100%
Zeolite A
100%
Hybrid Zeolite
100%
Sulfonated Membrane
100%
Zeolite
66%
Ion Exchange Capacity
33%
Electrolyte Membrane
33%
Hydrogen Bonds (H-bonds)
16%
Swelling Test
16%
Electrolyte
16%
Chitosan Solution
16%
Diffractogram
16%
Functional Groups
16%
Sulfuric Acid
16%
FTIR Spectra
16%
Capacity Test
16%
Proton Conductivity
16%
Impedance Spectroscopy
16%
Natural Polymers
16%
Methanol Permeability
16%
Water Swelling
16%
Permeability Test
16%
Fuel Cell
16%
Conductivity Test
16%
Polymer Electrolyte Membrane
16%
Amide I
16%
Amide II
16%
Acid-base Titration
16%
Sulfonate
16%
Electrochemical Impedance Spectroscopy
16%
Titration Method
16%
Hydroxyl Functional Group
16%
Membrane Potential
16%
High Mechanical Properties
16%
Proton Exchange Membrane
16%
Chemical Engineering
Chitosan
100%
Proton Exchange Membrane Fuel
100%
Functional Group
28%
Ion Exchange
28%
Amide
28%
Methanol
14%
Natural Polymer
14%
Material Science
Zeolite
100%
Proton-Exchange Membrane Fuel Cells
100%
Scanning Electron Microscopy
9%
X-Ray Diffraction
9%
Young's Modulus
9%
Hydrogen Bonding
9%
Morphology
9%
Polymer Electrolyte
9%
Natural Polymer
9%
Dielectric Spectroscopy
9%