Previous Article Next Article Table of Contents International Journal of Hydrogen Energy, Vol.41, No.30, 13171-13179, 2016 DOI10.1016/j.ijhydene.2016.05.167 Export Citation Effect of carbon ratio in the polypyrrole/carbon composite catalyst support on PEM fuel cell performance Das Elif, Yurtcan Ayse Bayrakceken Please enable JavaScript to view the comments powered by Disqus.