‘Oxygen Bound to Magnesium’ as High Voltage Redox Center Causes Sloping of the Potential Profile in Mg‐Doped Layered Oxides for Na‐Ion Batteries
Sign Up to like & getrecommendations! Published in 2025 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202519132
Abstract: >The potential profile of layered oxides as cathodes for Na‐ion batteries can be well tuned by cation doping. Doping typically leads to changes in the phase behavior and the redox chemistry, but the underlying mechanisms… read more here.
Keywords: layered oxides; redox center; redox; potential profile ... See more keywords
Composite Nanostructure Construction on the Grain Surface of Li-Rich Layered Oxides.
Sign Up to like & getrecommendations! Published in 2020 at "Advanced materials"
DOI: 10.1002/adma.201906070
Abstract: Li-rich layered oxides (LLOs) are fascinating high-energy cathodes for lithium-ion batteries (LIBs), but still suffer from critical drawbacks that retard their practical applications. Although surface modification is effective to protect LLOs from structural deterioration, the… read more here.
Keywords: composite nanostructure; surface; layered oxides; rich layered ... See more keywords
Excess-Li Localization Triggers Chemical Irreversibility in Li- and Mn-Rich Layered Oxides.
Sign Up to like & getrecommendations! Published in 2020 at "Advanced materials"
DOI: 10.1002/adma.202001944
Abstract: Li- and Mn-rich layered oxides (LMRs) have emerged as practically feasible cathode materials for high-energy-density Li-ion batteries due to their extra anionic redox behavior and market competitiveness. However, sluggish kinetics regions ( read more here.
Keywords: chemical irreversibility; layered oxides; chemistry; irreversibility ... See more keywords
High-Conductive Protonated Layered Oxides from H2 O Vapor-Annealed Brownmillerites.
Sign Up to like & getrecommendations! Published in 2021 at "Advanced materials"
DOI: 10.1002/adma.202104623
Abstract: Protonated 3d transition-metal oxides often display low electronic conduction, which hampers their application in electric, magnetic, thermoelectric, and catalytic fields. Electronic conduction can be enhanced by co-inserting oxygen acceptors simultaneously. However, the currently used redox… read more here.
Keywords: layered oxides; protonated layered; conductive protonated; vapor annealed ... See more keywords
Simultaneous Regulating the Surface, Interface, and Bulk via Phosphating Modification for High‐Performance Li‐Rich Layered Oxides Cathodes
Sign Up to like & getrecommendations! Published in 2024 at "Advanced Materials"
DOI: 10.1002/adma.202416136
Abstract: Li‐rich Mn‐based layered oxides (LRMOs) are regarded as the leading cathode materials to overcome the bottleneck of higher energy density. Nevertheless, they encounter significant challenges, including voltage decay, poor cycle stability, and inferior rate performance,… read more here.
Keywords: regulating surface; surface interface; surface; layered oxides ... See more keywords
Eliminating Transition Metal Migration and Anionic Redox to Understand Voltage Hysteresis of Lithium‐Rich Layered Oxides
Sign Up to like & getrecommendations! Published in 2020 at "Advanced Energy Materials"
DOI: 10.1002/aenm.201903634
Abstract: Lithium‐rich layered oxides are promising candidate cathode materials for the Li‐ion batteries with energy densities above 300 Wh kg−1. However, issues such as the voltage hysteresis and decay hinder their commercial applications. Due to the… read more here.
Keywords: layered oxides; hysteresis; migration; anionic redox ... See more keywords
Air Instability of Ni‐Rich Layered Oxides–A Roadblock to Large Scale Application
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Energy Materials"
DOI: 10.1002/aenm.202202993
Abstract: Benefiting from the excellent lithium ions diffusion kinetics and considerable discharge specific capacity, Ni‐rich layered oxides have become the preferred selection cathode active materials (CAMs) for high energy density Li‐ion batteries. However, due to the… read more here.
Keywords: air instability; instability rich; air; rich layered ... See more keywords
Simultaneously Preventing Oxygen Evolution, Structure Degradation, and Thermal Release in Lithium‐Rich Layered Oxides via In Situ Surface Anchoring Negative Thermal Expansion Material
Sign Up to like & getrecommendations! Published in 2025 at "Advanced Energy Materials"
DOI: 10.1002/aenm.202503693
Abstract: Lithium‐rich layered oxides (LRLOs) are promising cathode materials for high‐energy–density batteries, but face challenges like irreversible oxygen evolution, structural degradation, and poor thermal stability. Herein, quadruple synergistic effects have been proposed to simultaneously boost structural… read more here.
Keywords: evolution; rich layered; energy; layered oxides ... See more keywords
Induction and Maintenance of Local Structural Durability for High‐Energy Nickel‐Rich Layered Oxides
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DOI: 10.1002/smtd.202200255
Abstract: Nickel‐rich layered oxides are one of the most promising cathode candidates for next‐generation high‐energy‐density lithium‐ion batteries. However, due to similar ion radius between Li+ and Ni2+(0.76 and 0.69 Å), the Li+/Ni2+ mixing phenomenon seriously hinders… read more here.
Keywords: high energy; nickel rich; energy; rich layered ... See more keywords
Recent Advances for High-Entropy based Layered Cathodes for Sodium Ion Batteries.
Sign Up to like & getrecommendations! Published in 2023 at "Small methods"
DOI: 10.1002/smtd.202300152
Abstract: In recent years, layered oxides have been extensively studied as promising cathode materials for sodium ion batteries. However, layered oxides undergo complex phase transitions during charge-discharge process, which adversely affects the electrochemical performance. High-entropy layered… read more here.
Keywords: ion batteries; sodium ion; layered oxides; high entropy ... See more keywords
Layered oxides as cathode materials for beyond-Li batteries: A computational study of Ca and Al intercalation in bulk V2O5 and MoO3
Sign Up to like & getrecommendations! Published in 2021 at "Computational Materials Science"
DOI: 10.1016/j.commatsci.2021.110324
Abstract: Abstract Materials for post Li-ion batteries are attracting an increasing interest. Here we have studied the fundamental properties of multi-valent Al and Ca ions intercalated into V2O5 and MoO3 layered oxides. To this end we… read more here.
Keywords: inter layer; layered oxides; moo3; v2o5 moo3 ... See more keywords