%0 Journal Article %K modeling %K fuel cell %K Water management %K NSTF %K thin catalyst layer %A Iryna V Zenyuk %A Prodip K Das %A Adam Z Weber %B Journal of The Electrochemical Society %D 2016 %G eng %N 7 %P F691 - F703 %R 10.1149/2.1161607jes %T Understanding Impacts of Catalyst-Layer Thickness on Fuel-Cell Performance via Mathematical Modeling %V 163 %8 06/2016 %! J. Electrochem. Soc. %X In this article, a two-dimensional, multiphase, transient model is introduced and used to explore the impact of catalyst-layer thickness on performance. In particular, the tradeoffs between water production and removal through transport or evaporation are highlighted, with a focus on low-temperature performance. For the latter, a case study of an ultra-thin catalyst layer is undergone to explore how various material properties alter the steady-state and startup performance of a cell. The findings provide understanding and guidance to optimize fuel-cell performance with thin electrodes.