1. Recent developments in electrocatalyst activity and stability for proton exchange membrane fuel cells / David Thompsett -- 2. Catalyst layers and fabrication / Zhong Xie. [et al.] -- 3. Proton exchange membranes / Timothy J. Peckham, Yunsong Yang, and Steven Holdcroft -- 4. Diffusion layers / Mauricio Blanco and David P. Wilkinson -- 5. Bipolar plates and plate materials / Tim Cheng -- 6. Physical modeling of materials for PEFCs : a balancing act of water and complex morphologies / Michael H. Eikerling and Kourosh Malek.