Durability of PEM Fuel Cell Membranes -- Modeling of Membrane-Electrode-Assembly Degradation in Proton-Exchange-Membrane Fuel Cells - Local H2 Starvation and Start-Stop Induced Carbon-Support Corrosion -- Cold Start of Polymer Electrolyte Fuel Cells -- Species, Temperature, and Current Distribution Mapping in Polymer Electrolyte Membrane Fuel Cells -- High-Resolution Neutron Radiography Analysis of Proton Exchange Membrane Fuel Cells -- Magnetic Resonance Imaging and Tunable Diode Laser Absorption Spectroscopy for In-Situ Water Diagnostics in Polymer Electrolyte Membrane Fuel Cells -- Characterization of the Capillary Properties of Gas Diffusion Media -- Mesoscopic Modeling of Two-Phase Transport in Polymer Electrolyte Fuel Cells -- Atomistic Modeling in Study of Polymer Electrolyte Fuel Cells - A Review.

Topics in Number 49 include: • In-depth review of the durability issues in PEFCs • Understanding and mitigation of degradation in the polymer membrane and electrocatalyst • Summary of experimental diagnostics and modeling studies of cold start • Methods for distributed diagnostics of species, temperature and current in PEFCs • The operational principles of neutron radiography for in-situ visualization of liquid water distribution • Magnetic resonance imaging (MRI) technique for visualization of water in PEFCs and tunable diode laser absorption spectroscopy (TDLAS) for measurement of water vapor concentration • Liquid water transport in porous DM due to capillarity • Meso-scale modeling of two-phase transport • The atomistic simulations of electrochemical reactions on ectrocatalysts and the transport of protons through the polymer electrolyte From reviews of previous volumes: "This long-standing series continues its tradition of offering high quality reviews of established and emerging subject areas, together with the less common aspects of electrochemical science... [and]... deserves a place in electrochemistry libraries and should prove useful to electrochemists and related workers." -Chemistry and Industry "Continues the valuable service that has been rendered by the Modern Aspects series." -Journal of Electroanalytical Chemistry "Will definitely be of much use to researchers in the field of electrochemistry. . . . The editors of this well-produced volume deserve all appreciation for maintaining the excellent standard of the series." -Bulletin of Electrochemistry "Extremely well-referenced and very readable.... Maintains the overall high standards of the series." -Journal of the American Chemical Society