{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["62(5)"],"submitter":["Fan Y"],"pubmed_abstract":["The application of Li-rich layered oxides is hindered by their dramatic capacity and voltage decay on cycling. This work comprehensively studies the mechanistic behaviour of cobalt-free Li<sub>1.2</sub> Ni<sub>0.2</sub> Mn<sub>0.6</sub> O<sub>2</sub> and demonstrates the positive impact of two-phase Ru doping. A mechanistic transition from the monoclinic to the hexagonal behaviour is found for the structural evolution of Li<sub>1.2</sub> Ni<sub>0.2</sub> Mn<sub>0.6</sub> O<sub>2,</sub> and the improvement mechanism of Ru doping is understood using the combination of in operando and post-mortem synchrotron analyses. The two-phase Ru doping improves the structural reversibility in the first cycle and restrains structural degradation during cycling by stabilizing oxygen (O<sup>2-</sup> ) redox and reducing Mn reduction, thus enabling high structural stability, an extraordinarily stable voltage (decay rate <0.45 mV per cycle), and a high capacity-retention rate during long-term cycling. The understanding of the structure-function relationship of Li<sub>1.2</sub> Ni<sub>0.2</sub> Mn<sub>0.6</sub> O<sub>2</sub> sheds light on the selective doping strategy and rational materials design for better-performance Li-rich layered oxides."],"journal":["Angewandte Chemie (International ed. in English)"],"pagination":["e202213806"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC10108050"],"repository":["biostudies-literature"],"pubmed_title":["Stabilizing Cobalt-free Li-rich Layered Oxide Cathodes through Oxygen Lattice Regulation by Two-phase Ru Doping."],"pmcid":["PMC10108050"],"pubmed_authors":["Cowie B","Zhang F","Cai Q","Olsson E","Li J","Fan Y","Guo Z","D'Angelo AM","Zhao Y","Johannessen B","Thomsen L","Liang G","Pang WK","Wang Z"],"additional_accession":[]},"is_claimable":false,"name":"Stabilizing Cobalt-free Li-rich Layered Oxide Cathodes through Oxygen Lattice Regulation by Two-phase Ru Doping.","description":"The application of Li-rich layered oxides is hindered by their dramatic capacity and voltage decay on cycling. This work comprehensively studies the mechanistic behaviour of cobalt-free Li<sub>1.2</sub> Ni<sub>0.2</sub> Mn<sub>0.6</sub> O<sub>2</sub> and demonstrates the positive impact of two-phase Ru doping. A mechanistic transition from the monoclinic to the hexagonal behaviour is found for the structural evolution of Li<sub>1.2</sub> Ni<sub>0.2</sub> Mn<sub>0.6</sub> O<sub>2,</sub> and the improvement mechanism of Ru doping is understood using the combination of in operando and post-mortem synchrotron analyses. The two-phase Ru doping improves the structural reversibility in the first cycle and restrains structural degradation during cycling by stabilizing oxygen (O<sup>2-</sup> ) redox and reducing Mn reduction, thus enabling high structural stability, an extraordinarily stable voltage (decay rate <0.45 mV per cycle), and a high capacity-retention rate during long-term cycling. The understanding of the structure-function relationship of Li<sub>1.2</sub> Ni<sub>0.2</sub> Mn<sub>0.6</sub> O<sub>2</sub> sheds light on the selective doping strategy and rational materials design for better-performance Li-rich layered oxides.","dates":{"release":"2023-01-01T00:00:00Z","publication":"2023 Jan","modification":"2025-04-18T15:00:55.25Z","creation":"2025-04-07T01:27:16.74Z"},"accession":"S-EPMC10108050","cross_references":{"pubmed":["36456529"],"doi":["10.1002/anie.202213806"]}}