{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"submitter":["Tao J"],"pubmed_abstract":["Atomically dispersed transition metal, nitrogen co-doped carbon (M-N-C) is hailed as the most promising platinum alternative for the oxygen reduction reaction (ORR); however, its practical deployment is bottlenecked by inferior intrinsic activity and insufficient site density. Herein, we report a sodium borohydride (NaBH<sub>4</sub>) assisted synthesis strategy to achieve dual enhancement of active site density and intrinsic activity. This strategy endows a B-doped catalyst (denoted as Fe-sZ8-N-C) with a high active site density of 2.26 × 10<sup>20</sup> sites per g, a two-fold enhancement over conventional Fe-N-C. Besides, the intrinsic activity of the catalyst is improved from 0.96 e per site per s to 1.5 e per site per s. Density functional theory (DFT) calculations reveal that the boro"],"journal":["Chemical science"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12426768"],"repository":["biostudies-literature"],"pubmed_title":["Dual-function synergy in boron-doped Fe-N-C: enhanced site density and intrinsic activity."],"pmcid":["PMC12426768"],"pubmed_authors":["Yang X","Liu X","Tao J","Xiao M","Li C","Xing W","Guan X","Shao M","Bai J","Liu C"],"additional_accession":[]},"is_claimable":false,"name":"Dual-function synergy in boron-doped Fe-N-C: enhanced site density and intrinsic activity.","description":"Atomically dispersed transition metal, nitrogen co-doped carbon (M-N-C) is hailed as the most promising platinum alternative for the oxygen reduction reaction (ORR); however, its practical deployment is bottlenecked by inferior intrinsic activity and insufficient site density. Herein, we report a sodium borohydride (NaBH<sub>4</sub>) assisted synthesis strategy to achieve dual enhancement of active site density and intrinsic activity. This strategy endows a B-doped catalyst (denoted as Fe-sZ8-N-C) with a high active site density of 2.26 × 10<sup>20</sup> sites per g, a two-fold enhancement over conventional Fe-N-C. Besides, the intrinsic activity of the catalyst is improved from 0.96 e per site per s to 1.5 e per site per s. Density functional theory (DFT) calculations reveal that the boro","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Sep","modification":"2026-06-02T10:04:34.575Z","creation":"2026-05-26T03:06:42.527Z"},"accession":"S-EPMC12426768","cross_references":{"pubmed":["40951785"],"doi":["10.1039/d5sc05135e"]}}