{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["12(41)"],"submitter":["Li J"],"pubmed_abstract":["The chemical stability of the anion exchange membranes (AEMs) is determinative towards the engineering applications of anion exchange membrane fuel cells (AEMFCs) and other AEM-based electrochemical devices, yet remains a challenge due to deficiencies in the structural design of cations. In this work, an effective design strategy for ultra-stable piperidinium cations is presented based on the systematic investigation of the chemical stability of piperidinium in harsh alkaline media. Firstly, benzyl-substituted piperidinium was degraded by about 23% in a 7 M KOH solution at 100 °C after 1436 h, which was much more stable than pyrrolidinium due to its lower ring strain. The introduction of substituent effects at the α-C position was proved to be an effective strategy for enhancing the chemic"],"journal":["RSC advances"],"pagination":["26542-26549"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9486533"],"repository":["biostudies-literature"],"pubmed_title":["Chemically stable piperidinium cations for anion exchange membranes."],"pmcid":["PMC9486533"],"pubmed_authors":["Li J","Xia Z","Wang S","Sun G","Yang C"],"additional_accession":[]},"is_claimable":false,"name":"Chemically stable piperidinium cations for anion exchange membranes.","description":"The chemical stability of the anion exchange membranes (AEMs) is determinative towards the engineering applications of anion exchange membrane fuel cells (AEMFCs) and other AEM-based electrochemical devices, yet remains a challenge due to deficiencies in the structural design of cations. In this work, an effective design strategy for ultra-stable piperidinium cations is presented based on the systematic investigation of the chemical stability of piperidinium in harsh alkaline media. Firstly, benzyl-substituted piperidinium was degraded by about 23% in a 7 M KOH solution at 100 °C after 1436 h, which was much more stable than pyrrolidinium due to its lower ring strain. The introduction of substituent effects at the α-C position was proved to be an effective strategy for enhancing the chemic","dates":{"release":"2022-01-01T00:00:00Z","publication":"2022 Sep","modification":"2025-04-26T00:59:04.823Z","creation":"2025-04-06T09:54:42.604Z"},"accession":"S-EPMC9486533","cross_references":{"pubmed":["36275149"],"doi":["10.1039/d2ra02286a"]}}