Fuel Cells pp 341-367 | Cite as

PEM Fuel Cells, Materials and Design Development Challenges

Chapter

Abstract

Substantial resources have been devoted over the past decade to the development of proton exchange membrane (PEM) fuel cells that use hydrogen fuel and oxygen from the air to produce electricity for applications including automotive propulsion. Remaining challenges include the design of inexpensive and stable robust catalysts for the electrochemical reaction at the cathode (i.e., the reduction of oxygen) of the fuel cell and the synthesis of robust (i.e., chemical and mechanical stable) electrolyte membranes exhibiting high proton conductivity under hot and dry conditions.

Keywords

Combustion Permeability Porosity 2H2O Hydration 

Glossary

Hydrogen oxidation reaction (HOR)

The electrochemical oxidation of molecular hydrogen occurring at the anode of a fuel cell.

Membrane electrode assembly (MEA)

The assembly consisting of the electrolyte membrane sandwiched between the anode and cathode.

Oxygen reduction reaction (ORR)

The electrochemical reduction of molecular oxygen through a four electron transfer at the cathode of a fuel cell.

Perfluorosulfonic acid (PFSA)

The CF2SO3H group is the protogenic group on ionomers and membranes utilized in catalyst layer and electrolyte in a fuel cell.

Proton exchange membrane (PEM)

A solid polymer thin film that is proton conducting and functions as the central component of a fuel cell.

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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  1. 1.Department of Chemical & Biomolecular EngineeringUniversity of TennesseeKnoxvilleUSA
  2. 2.Department of ChemistryTechnische Universität MünchenMunichGermany

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