PEM fuel cells. power system. hydrogen fuel. electrochemical device. voltage lossesOndrejička, Kristián, 1994- Simulation of PEM fuel cell voltage losses / aut. Kristián Ondrejička, Mikuláš Huba. Huba, Mikuláš, 1951- In: ELITECH´20. -- 1. ed.. -- CD-ROM, 158 s.. -- 978-80-227-5001-1 Conference of doctoral students ELITECH´20. -- Bratislava : Vydavateľstvo Spektrum STU, 2020. -- [5] s.