\babel@toc {english}{}\relax \babel@toc {english}{}\relax \addvspace {10\p@ } \addvspace {10\p@ } \contentsline {figure}{\numberline {2.1}{\ignorespaces Components of a PEMFC cell and its position in a fuel cell stack. Retrieved from Xu et al. page 816 [33].\relax }}{7}{figure.caption.43}% \contentsline {figure}{\numberline {2.2}{\ignorespaces Chemical structure of PFSA also called Nafion. Retrieved from Chen et al., page 1436 (1) [59]\relax }}{11}{figure.caption.54}% \contentsline {figure}{\numberline {2.3}{\ignorespaces Polarization curve of a fuel cell including the different losses. Retrieved from Jung et al., page 741 (4) [64].\relax }}{12}{figure.caption.58}% \contentsline {figure}{\numberline {2.4}{\ignorespaces Example of a polarization curve of a PEMFC after different numbers of voltage cycles (VC) . Retrieved from Mohsin et al., page 24096 (4) [69].\relax }}{14}{figure.caption.70}% \addvspace {10\p@ } \addvspace {10\p@ } \addvspace {10\p@ } \addvspace {10\p@ } \addvspace {10\p@ } \providecommand \tocbasic@end@toc@file {}\tocbasic@end@toc@file