{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Li J"],"funding":["National Natural Scientific Foundation of China","China Postdoctoral Science Foundation","Natural Science Foundation of Sichuan Province"],"pagination":["166"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9961908"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["13(2)"],"pubmed_abstract":["CO is a significant product of electrochemical CO<sub>2</sub> reduction (ECR) which can be mixed with H<sub>2</sub> to synthesize numerous hydrocarbons. Membranes, as separators, can significantly influence the performance of ECR. Herein, a series of quaternized polybenzimidazole (QAPBI) anion exchange membranes with different quaternization degrees are prepared for application in ECR. Among all QAPBI membranes, the QAPBI-2 membrane exhibits optimized physico-chemical properties. In addition, the QAPBI-2 membrane shows higher a Faraday efficiency and CO partial current density compared with commercial Nafion 117 and FAA-3-PK-130 membranes, at -1.5 V (vs. RHE) in an H-type cell. Additionally, the QAPBI-2 membrane also has a higher Faraday efficiency and CO partial current density compared with Nafion 117 and FAA-3-PK-130 membranes, at -3.0 V in a membrane electrode assembly reactor. It is worth noting that the QAPBI-2 membrane also has excellent ECR stability, over 320 h in an H-type cell. This work illustrates a promising pathway to obtaining cost-effective membranes through a molecular structure regulation strategy for ECR application."],"journal":["Membranes"],"pubmed_title":["Electrochemical Conversion of CO<sub>2</sub> to CO Utilizing Quaternized Polybenzimidazole Anion Exchange Membrane."],"pmcid":["PMC9961908"],"funding_grant_id":["2020M683307","2023NSFSC0303","U20A20125, 22108230, 21878250","22108230","U20A20125","21878250"],"pubmed_authors":["Li J","Cao Z","Zhang Y","Zhang X","Zhang B","Duan H"],"additional_accession":[]},"is_claimable":false,"name":"Electrochemical Conversion of CO<sub>2</sub> to CO Utilizing Quaternized Polybenzimidazole Anion Exchange Membrane.","description":"CO is a significant product of electrochemical CO<sub>2</sub> reduction (ECR) which can be mixed with H<sub>2</sub> to synthesize numerous hydrocarbons. Membranes, as separators, can significantly influence the performance of ECR. Herein, a series of quaternized polybenzimidazole (QAPBI) anion exchange membranes with different quaternization degrees are prepared for application in ECR. Among all QAPBI membranes, the QAPBI-2 membrane exhibits optimized physico-chemical properties. In addition, the QAPBI-2 membrane shows higher a Faraday efficiency and CO partial current density compared with commercial Nafion 117 and FAA-3-PK-130 membranes, at -1.5 V (vs. RHE) in an H-type cell. Additionally, the QAPBI-2 membrane also has a higher Faraday efficiency and CO partial current density compared with Nafion 117 and FAA-3-PK-130 membranes, at -3.0 V in a membrane electrode assembly reactor. It is worth noting that the QAPBI-2 membrane also has excellent ECR stability, over 320 h in an H-type cell. This work illustrates a promising pathway to obtaining cost-effective membranes through a molecular structure regulation strategy for ECR application.","dates":{"release":"2023-01-01T00:00:00Z","publication":"2023 Jan","modification":"2025-05-18T12:54:45.799Z","creation":"2025-05-18T12:54:45.799Z"},"accession":"S-EPMC9961908","cross_references":{"pubmed":["36837669"],"doi":["10.3390/membranes13020166"]}}