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.
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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.
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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
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
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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
Induction and Maintenance of Local Structural Durability for High‐Energy Nickel‐Rich Layered Oxides
Sign Up to like & getrecommendations! Published in 2022 at "Small Methods"
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
Sodium manganese-rich layered oxides: Potential candidates as positive electrode for Sodium-ion batteries
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DOI: 10.1016/j.ensm.2020.10.010
Abstract: Sodium-ion batteries (SIBs) are amongst the most attractive alternatives for stationary applications and light electromobility due to potentially substantial cost reductions resulting from the availability, wide distribution, and easily accessible nature its constituents. However, commercialization… read more here.
Keywords: sodium ion; sodium manganese; layered oxides; sodium ... See more keywords
Importance of metal−oxygen bond for stable oxygen-redox reaction in Li-excess layered oxides
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DOI: 10.1016/j.ensm.2021.08.024
Abstract: Abstract Although nearly all oxygen redox reaction (ORR) research has been carried out based on Mn4+-containing layered oxides (Li[Li1−x−yMnxMy]O2) in Li-ion positive electrodes, the roles of Mn(t2g3)−O hybridized band in correlation with ORRs have yet… read more here.
Keywords: layered oxides; redox reaction; oxygen; bond ... See more keywords
Exploring the synthesis conditions and formation mechanisms of Li-rich layered oxides via solid-state method
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2020.157204
Abstract: Abstract Li- and Mn-rich layered oxides are receiving considerable attentions for the next-generation commercial lithium ion batteries owing to their high capacity and low cost. However, there is still some dispute about the ideal synthesis… read more here.
Keywords: layered oxides; synthesis conditions; exploring synthesis; 6co1 6mn4 ... See more keywords