20.500.12556/RUL-135056 Criticality and life-cycle assessment of materials used in fuel-cell and hydrogen technologies The purpose of this paper is to obtain relevant data on materials that are the most commonly used in fuel-cell and hydrogen technologies. The focus is on polymer-electrolyte-membrane fuel cells, solid-oxide fuel cells, polymer-electrolyte-membrane water electrolysers and alkaline water electrolysers. An innovative, methodological approach was developed for a preliminary material assessment of the four technologies. This methodological approach leads to a more rapid identification of the most influential or critical materials that substantially increase the environmental impact of fuel-cell and hydrogen technologies. The approach also assisted in amassing the life-cycle inventories—the emphasis here is on the solid-oxide fuel-cell technology because it is still in its early development stage and thus has a deficient materials’ database—that were used in a life-cycle assessment for an in-depth material-criticality analysis. All the listed materials—that either are or could potentially be used in these technologies—were analysed to give important information for the fuel-cell and hydrogen industries, the recycling industry, the hydrogen economy, as well as policymakers. The main conclusion from the life-cycle assessment is that the polymer-electrolyte-membrane water electrolysers have the highest environmental impacts; lower impacts are seen in polymer-electrolyte-membrane fuel cells and solid-oxide fuel cells, while the lowest impacts are observed in alkaline water electrolysers. The results of the material assessment are presented together for all the considered materials, but also separately for each observed technology. critical materials fuel cells electrolysers hydrogen technologies criticality life-cycle assessment kritični materiali gorivne celice elektrolizerji vodikove tehnologije kritičnost študija življenjskih ciklov true false true Angleški jezik Slovenski jezik Članek v reviji 2022-02-18 14:32:27 2022-02-18 14:32:32 2022-09-14 04:11:25 0000-00-00 00:00:00 2021 0 0 29 str. iss. 6, art. 3565 Vol. 13 Mar. 2021 0000-00-00 Zaloznikova Objavljeno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 502.171:531.62(045) 2071-1050 10.3390/su13063565 57362179 RAZ_Mori_Mitja_2021.pdf RAZ_Mori_Mitja_2021.pdf 1 C8A398F5046E03BEAF48169AB3694413 932fc47bd4f9c7775487c7226fa73c2c34ed053cede98d33560480a11e41cff0 41f42a96-90bf-11ec-abdb-00155dcfd717 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=153902 https://www.mdpi.com/2071-1050/13/6/3565 1 fad447c7-90be-11ec-abdb-00155dcfd717 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=153901 Fakulteta za strojništvo 0 0 0