{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Hong K"],"funding":["Korea Electric Power Corporation","National Research Foundation of Korea (NRF)","Korea Institute for Advancement of Technology","Korea Institute for Advancement of Technology (KIAT)","National Research Foundation of Korea","Korea Electric Power Corporation (KEPCO)"],"pagination":["7485"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC10657466"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["14(1)"],"pubmed_abstract":["Direct methane protonic ceramic fuel cells are promising electrochemical devices that address the technical and economic challenges of conventional ceramic fuel cells. However, Ni, a catalyst of protonic ceramic fuel cells exhibits sluggish reaction kinetics for CH4 conversion and a low tolerance against carbon-coking, limiting its wider applications. Herein, we introduce a self-assembled Ni-Rh bimetallic catalyst that exhibits a significantly high CH4 conversion and carbon-coking tolerance. It enables direct methane protonic ceramic fuel cells to operate with a high maximum power density of ~0.50 W·cm-2 at 500 °C, surpassing all other previously reported values from direct methane protonic ceramic fuel cells and even solid oxide fuel cells. Moreover, it allows stable operation with a degr"],"journal":["Nature communications"],"pubmed_title":["Direct methane protonic ceramic fuel cells with self-assembled Ni-Rh bimetallic catalyst."],"pmcid":["PMC10657466"],"funding_grant_id":["2022R1A2C3012372","2022R1A4A1031182","R23XO03","2023M3J1A1091543","P0021202"],"pubmed_authors":["Bae Y","Kim D","Bang S","Min J","Hong J","Hong K","Lee J","Lee HK","Lee W","Choi M"],"additional_accession":[]},"is_claimable":false,"name":"Direct methane protonic ceramic fuel cells with self-assembled Ni-Rh bimetallic catalyst.","description":"Direct methane protonic ceramic fuel cells are promising electrochemical devices that address the technical and economic challenges of conventional ceramic fuel cells. However, Ni, a catalyst of protonic ceramic fuel cells exhibits sluggish reaction kinetics for CH4 conversion and a low tolerance against carbon-coking, limiting its wider applications. Herein, we introduce a self-assembled Ni-Rh bimetallic catalyst that exhibits a significantly high CH4 conversion and carbon-coking tolerance. It enables direct methane protonic ceramic fuel cells to operate with a high maximum power density of ~0.50 W·cm-2 at 500 °C, surpassing all other previously reported values from direct methane protonic ceramic fuel cells and even solid oxide fuel cells. Moreover, it allows stable operation with a degr","dates":{"release":"2023-01-01T00:00:00Z","publication":"2023 Nov","modification":"2025-04-03T22:18:04.722Z","creation":"2025-04-03T22:18:04.722Z"},"accession":"S-EPMC10657466","cross_references":{"pubmed":["37980343"],"doi":["10.1038/s41467-023-43388-8"]}}