{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Que L"],"funding":["MOST | National Natural Science Foundation of China (NSFC)","MOST | National Natural Science Foundation of China"],"pagination":["e2311075121"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC11047101"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["121(17)"],"pubmed_abstract":["Voltage oscillation at subzero in sodium-ion batteries (SIBs) has been a common but overlooked scenario, almost yet to be understood. For example, the phenomenon seriously deteriorates the performance of Na<sub>3</sub>V<sub>2</sub>(PO<sub>4</sub>)<sub>3</sub> (NVP) cathode in PC (propylene carbonate)/EC (ethylene carbonate)-based electrolyte at -20 °C. Here, the correlation between voltage oscillation, structural evolution, and electrolytes has been revealed based on theoretical calculations, in-/ex-situ techniques, and cross-experiments. It is found that the local phase transition of the Na<sub>3</sub>V<sub>2</sub>(PO<sub>4</sub>)<sub>3</sub> (NVP) cathode in PC/EC-based electrolyte at -20 °C should be responsible for the oscillatory phenomenon. Furthermore, the low exchange current densi"],"journal":["Proceedings of the National Academy of Sciences of the United States of America"],"pubmed_title":["Unveil the origin of voltage oscillation for sodium-ion batteries operating at -40 °C."],"pmcid":["PMC11047101"],"funding_grant_id":["51902072"],"pubmed_authors":["Que L","Wu J","Yang Z","Zhao R","Feng Y","Yu F","Luo H","Chao D","Sun Z","Lan Z"],"additional_accession":[]},"is_claimable":false,"name":"Unveil the origin of voltage oscillation for sodium-ion batteries operating at -40 °C.","description":"Voltage oscillation at subzero in sodium-ion batteries (SIBs) has been a common but overlooked scenario, almost yet to be understood. For example, the phenomenon seriously deteriorates the performance of Na<sub>3</sub>V<sub>2</sub>(PO<sub>4</sub>)<sub>3</sub> (NVP) cathode in PC (propylene carbonate)/EC (ethylene carbonate)-based electrolyte at -20 °C. Here, the correlation between voltage oscillation, structural evolution, and electrolytes has been revealed based on theoretical calculations, in-/ex-situ techniques, and cross-experiments. It is found that the local phase transition of the Na<sub>3</sub>V<sub>2</sub>(PO<sub>4</sub>)<sub>3</sub> (NVP) cathode in PC/EC-based electrolyte at -20 °C should be responsible for the oscillatory phenomenon. Furthermore, the low exchange current densi","dates":{"release":"2024-01-01T00:00:00Z","publication":"2024 Apr","modification":"2025-04-04T11:05:39.623Z","creation":"2025-04-04T11:05:39.623Z"},"accession":"S-EPMC11047101","cross_references":{"pubmed":["38625942"],"doi":["10.1073/pnas.2311075121"]}}