Fluorination Enhanced Surface Stability of Disordered Rocksalt Cathodes.
Sign Up to like & getrecommendations! Published in 2021 at "Advanced materials"
DOI: 10.1002/adma.202106256
Abstract: Cation-disordered rocksalt (DRX) oxides are a promising new class of high-energy-density cathode materials for next-generation Li-ion batteries. However, their capacity fade during cycling presents a major challenge. Partial fluorine (F) substitution into oxygen (O) lattice… read more here.
Keywords: disordered rocksalt; surface stability; surface; fluorination ... See more keywords
Anion Reactivity in Cation‐Disordered Rocksalt Cathode Materials: The Influence of Fluorine Substitution
Sign Up to like & getrecommendations! Published in 2020 at "Advanced Energy Materials"
DOI: 10.1002/aenm.202001500
Abstract: The demand for high energy‐density, mass‐producible cathode materials has spurred the exploration of new material structures and compositions. Lithium‐excess, cation‐disordered rocksalt (DRX) materials are a new class of transition metal oxides that display high capacity… read more here.
Keywords: reactivity; cathode materials; disordered rocksalt; cation disordered ... See more keywords
Stabilization of Li-Rich Disordered Rocksalt Oxyfluoride Cathodes by Particle Surface Modification
Sign Up to like & getrecommendations! Published in 2020 at "ACS Applied Energy Materials"
DOI: 10.1021/acsaem.0c00839
Abstract: Promising theoretical capacities and high voltages are offered by Li-rich disordered rocksalt oxyfluoride materials as cathodes in lithium-ion batteries. However, as has been discovered for many other Li-rich materials, the oxyfluorides suffer from extensive surface… read more here.
Keywords: rich disordered; disordered rocksalt; rocksalt oxyfluoride; surface ... See more keywords
Tuning Bulk Redox and Altering Interfacial Reactivity in Highly Fluorinated Cation-Disordered Rocksalt Cathodes.
Sign Up to like & getrecommendations! Published in 2023 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c16974
Abstract: Lithium-excess, cation-disordered rocksalt (DRX) materials have been subject to intense scrutiny and development in recent years as potential cathode materials for Li-ion batteries. Despite their compositional flexibility and high initial capacity, they suffer from poorly… read more here.
Keywords: cation disordered; spectroscopy; disordered rocksalt; degradation ... See more keywords
Reduced Potential Barrier of Sodium-Substituted Disordered Rocksalt Cathode for Oxygen Evolution Electrocatalysts
Sign Up to like & getrecommendations! Published in 2022 at "Nanomaterials"
DOI: 10.3390/nano13010010
Abstract: Cation-disordered rocksalt (DRX) cathodes have been viewed as next-generation high-energy density materials surpassing conventional layered cathodes for lithium-ion battery (LIB) technology. Utilizing the opportunity of a better cation mixing facility in DRX, we synthesize Na-doped… read more here.
Keywords: oxygen evolution; potential barrier; reduced potential; oxygen ... See more keywords