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Electrolyte Membranes for Fuel Cells: Synthesis, Characterization and Degradation Analysis

[ Vol. 7 , Issue. 3 ]


Soma Banerjee, Kamal K. Kar and Malay K. Das   Pages 173 - 203 ( 31 )


Fuel cells are the energy conversion devices that can convert the chemical energy of fuel into electrical energy efficiently and, more importantly, in a greener way by utilizing air as an oxidant. Solid polymeric electrolyte membrane is one of the major parts of the fuel cell device, which selectively allows the passage of protons while blocking the flow of electrons through it and makes the device functional. Till date, Nafion® is the most successful candidate in this field but it loses its proton conductivity at elevated temperature due to the loss of water molecules. In addition to the functional requirement of membranes, the durability and stability are also prime concerns for the electrolyte membranes. To develop alternative suitable membranes at lower cost different systems have been investigated time to time as fuel cell membranes. In this review, patents and research articles on various approaches that have been practiced to fabricate the alternative membranes, their characterization, stability, durability, degradation mechanism along with the life cycle estimation will be discussed to acquire a complete overview about the material design and fabrication of a perfect membrane electrode assembly.


Fuel cell, ionic conductivity, Nafion®, poly ether ether ketone, polymer electrolyte membrane, proton conductivity.


Advanced Nanoengineering Materials Laboratory, Material Science Programme, Indian Institute of Technology Kanpur, Kanpur-208016, India.

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