Version 1.1

This version of the code is described in detail in the article "Physically Based Modeling of PEMFC Cathode Catalyst Layers: Effective Microstructure and Ionomer Structure-Property Relationship Impacts," submitted in October 2019 to J. Electrochem. Energy Conversion and Storage, by Corey R. Randall and Steven C. DeCaluwe. It was used to generate all figures presented therein.