@article{articleb4aa855f, title = {Catalyst layer optimisation approach using electrochemical impedance spectroscopy for PEM fuel cells operated with pyrolysed transtion metal N-C catalyst}, author = {Malko, Daniel and Lopes, Thiago and Ticianelli, Edson Antonio and Kucernak, Anthony R}, year = {2016}, doi = {10.1016/j.jpowsour.2016.05.035}, journal = {Journal of Power Sources} }