{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["3(10)"],"submitter":["Wang S"],"pubmed_abstract":["Alkali metal cations (AM<sup>+</sup>) and hydroxide anions (OH<sup>-</sup>) intricately influence Pt-catalyzed hydrogen evolution and oxidation reactions (HER/HOR) in alkaline media, a topic of ongoing debate. Here, we systematically investigate their effects using twenty-eight electrolytes with independently varied Na<sup>+</sup> and OH<sup>-</sup> concentrations ranging from 0.001 to 1.0 M. Our studies reveal a strong correlation between electrical double layer (EDL) thickness and HER/HOR rates. Increasing the OH<sup>-</sup> concentration positively shifts the potential of zero free charge and enhances the negative surface charge on Pt within the HER/HOR potential regime. This reduces the EDL thickness, strengthens interfacial electric fields, and facilitates water dissociation during HE"],"journal":["Precision chemistry"],"pagination":["604-611"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12569947"],"repository":["biostudies-literature"],"pubmed_title":["Electrical Double Layer Effects on Alkaline Hydrogen Reactions on Platinum."],"pmcid":["PMC12569947"],"pubmed_authors":["Wan C","Huang Y","Wang S","Shah AH","Duan X"],"additional_accession":[]},"is_claimable":false,"name":"Electrical Double Layer Effects on Alkaline Hydrogen Reactions on Platinum.","description":"Alkali metal cations (AM<sup>+</sup>) and hydroxide anions (OH<sup>-</sup>) intricately influence Pt-catalyzed hydrogen evolution and oxidation reactions (HER/HOR) in alkaline media, a topic of ongoing debate. Here, we systematically investigate their effects using twenty-eight electrolytes with independently varied Na<sup>+</sup> and OH<sup>-</sup> concentrations ranging from 0.001 to 1.0 M. Our studies reveal a strong correlation between electrical double layer (EDL) thickness and HER/HOR rates. Increasing the OH<sup>-</sup> concentration positively shifts the potential of zero free charge and enhances the negative surface charge on Pt within the HER/HOR potential regime. This reduces the EDL thickness, strengthens interfacial electric fields, and facilitates water dissociation during HE","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Oct","modification":"2026-06-05T09:34:17.941Z","creation":"2026-05-15T03:12:57.529Z"},"accession":"S-EPMC12569947","cross_references":{"pubmed":["41170158"],"doi":["10.1021/prechem.5c00019"]}}