{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Islam MN"],"funding":["Alberta Innovates","Canada Foundation for Innovation (Fondation canadienne pour l'innovation)"],"pagination":["6157"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9579166"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["13(1)"],"pubmed_abstract":["The development of low-Platinum content polymer electrolyte fuel cells (PEFCs) has been hindered by inexplicable reduction of oxygen reduction reaction (ORR) activity and unexpected O<sub>2</sub> mass transport resistance when catalysts have been interfaced with ionomer in a cathode catalyst layer. In this study, we introduce a bottom-up designed spherical carbon support with intrinsic Nitrogen-doping that permits uniform dispersion of Pt catalyst, which reproducibly exhibits high ORR mass activity of 638 ± 68 mA mg<sub>Pt</sub><sup>-1</sup> at 0.9 V and 100% relative humidity (RH) in a membrane electrode assembly. The uniformly distributed Nitrogen-functional surface groups on the carbon support surface promote high ionomer coverage directly evidenced by high-resolution electron microscop"],"journal":["Nature communications"],"pubmed_title":["Designing fuel cell catalyst support for superior catalytic activity and low mass-transport resistance."],"pmcid":["PMC9579166"],"funding_grant_id":["31936","202102615"],"pubmed_authors":["Mansoor Basha AB","Kollath VO","Jankovic J","Islam MN","Karan K","Soleymani AP"],"additional_accession":[]},"is_claimable":false,"name":"Designing fuel cell catalyst support for superior catalytic activity and low mass-transport resistance.","description":"The development of low-Platinum content polymer electrolyte fuel cells (PEFCs) has been hindered by inexplicable reduction of oxygen reduction reaction (ORR) activity and unexpected O<sub>2</sub> mass transport resistance when catalysts have been interfaced with ionomer in a cathode catalyst layer. In this study, we introduce a bottom-up designed spherical carbon support with intrinsic Nitrogen-doping that permits uniform dispersion of Pt catalyst, which reproducibly exhibits high ORR mass activity of 638 ± 68 mA mg<sub>Pt</sub><sup>-1</sup> at 0.9 V and 100% relative humidity (RH) in a membrane electrode assembly. The uniformly distributed Nitrogen-functional surface groups on the carbon support surface promote high ionomer coverage directly evidenced by high-resolution electron microscop","dates":{"release":"2022-01-01T00:00:00Z","publication":"2022 Oct","modification":"2025-04-19T21:19:53.115Z","creation":"2025-04-19T21:19:53.115Z"},"accession":"S-EPMC9579166","cross_references":{"pubmed":["36257992"],"doi":["10.1038/s41467-022-33892-8"]}}