Lattice Oxygen Redox Mechanisms in the Alkaline Oxygen Evolution Reaction
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DOI: 10.1002/adfm.202401610
Abstract: Understanding of fundamental mechanism and kinetics of the oxygen evolution reaction (OER) is pivotal for designing efficient OER electrocatalysts owing to its key role in electrochemical energy conversion devices. In the past few years, the… read more here.
Keywords: evolution; oxygen; evolution reaction; lattice oxygen ... See more keywords
Fast Oxygen Redox Kinetics Induced by CoO6 Octahedron With π‐Interaction in P2‐Type Sodium Oxides
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DOI: 10.1002/adfm.202409732
Abstract: Enhancing the kinetics of lattice oxygen redox (LOR) in P2‐type layered sodium oxide cathodes is crucial for the advancement of sodium‐ion batteries (SIBs) with superior energy and power densities. Electronic structure regulation stands out as… read more here.
Keywords: fast oxygen; type; sodium; interaction type ... See more keywords
P2‐Na0.61Ca0.03[Mg2/9Cu1/9Mn2/3]O2 as a High‐Energy Oxygen Redox Cathode for Na‐Ion Batteries: Investigation of Cu Substitution and Ca Doping to Enhance Cycling Stability
Sign Up to like & getrecommendations! Published in 2025 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202504642
Abstract: Oxygen redox‐based cathode materials offer higher capacity than conventional Na‐based layered transition metal oxides in Na‐ion batteries (NIBs). Still, their performance is impeded by voltage hysteresis and structural instability. Herein, a novel P2‐Na0.61Ca0.03[Mg2/9Cu1/9Mn2/3]O2 cathode material… read more here.
Keywords: high energy; na0 61ca0; 9cu1 9mn2; mg2 9cu1 ... See more keywords
Tailoring Oxygen Redox Activity and Accelerating Li+ Diffusion via Ti Substitution Within Li‐O‐Vacancy Configurations
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DOI: 10.1002/adfm.202504973
Abstract: Layered oxide cathode with a Li‐O‐vacancy configuration offers high capacity by leveraging additional oxygen redox reactions. However, it faces severe challenges of sluggish kinetics of oxygen redox reactions and lattice oxygen loss, resulting in slow… read more here.
Keywords: tailoring oxygen; oxygen redox; diffusion; vacancy ... See more keywords
Tuning Metal/Oxygen Redox Sequence through Constructing [Eu‐O‐Co] Unit for Enhancing Oxygen Evolution
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DOI: 10.1002/adfm.202507578
Abstract: Triggering the lattice oxygen mechanism (LOM) is a promising approach to overcome the sluggish kinetics of the oxygen evolution reaction (OER), yet effectively enhancing the lattice oxygen participation remains a significant challenge. Herein, we aim… read more here.
Keywords: unit; oxygen; lattice oxygen; oxygen redox ... See more keywords
Understanding of Oxygen Redox in the Oxygen Evolution Reaction
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DOI: 10.1002/adma.202107956
Abstract: The electron‐transfer process during the oxygen evolution reaction (OER) often either proceeds solely via a metal redox chemistry (adsorbate evolution mechanism (AEM), with metal bands around the Fermi level) or an oxygen redox chemistry (lattice… read more here.
Keywords: oxygen redox; chemistry; oxygen; lom ... See more keywords
A Mechanistic Insight into the Oxygen Redox of Li-Rich Layered Cathodes and their Related Electronic/Atomic Behaviors Upon Cycling.
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DOI: 10.1002/adma.202211965
Abstract: Li-rich cathodes have been extensively investigated as their energy density is superior to Li stoichiometric cathode materials. In addition to the transition metal redox, this intriguing electrochemical performance originates from the redox reaction of the… read more here.
Keywords: oxygen redox; redox; rich cathodes; redox rich ... See more keywords
Native Vacancy Enhanced Oxygen Redox Reversibility and Structural Robustness
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DOI: 10.1002/aenm.201803087
Abstract: Energy storage systems (ESS) that are cost-effective and capable of running stably for years or decades are key to the large-scale application of the intermittent renewable energy resources. For most of the transition metal (TM)… read more here.
Keywords: reversibility; oxygen; energy; redox reaction ... See more keywords
Asymmetric‐Orbital‐Hybridization Induced Electron Redistribution Enabling Stable Sodium Layered Oxides
Sign Up to like & getrecommendations! Published in 2025 at "Advanced Energy Materials"
DOI: 10.1002/aenm.202504261
Abstract: Layered transition metal (TM) oxides have garnered great attention as viable cathodes for sodium‐ion batteries (SIBs), but the challenges of complicated multiphase transitions, severe structural deterioration and unstable oxygen redox reaction still hamper their practical… read more here.
Keywords: oxygen redox; electron redistribution; orbital hybridization; oxygen ... See more keywords
Local Structure Regulation for Oxygen Redox and Structure Stability of P2-Type Cathodes.
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DOI: 10.1002/smll.202411052
Abstract: The local structure plays a crucial role in oxygen redox reactions, which boosts the capacity of layered oxide cathodes for sodium-ion batteries. While studies on local structural ordering have primarily focused on the intra-layer ordering,… read more here.
Keywords: structure; structure stability; oxygen redox; local structure ... See more keywords
Quantifying the Anomalous Local and Nanostructure Evolutions Induced by Lattice Oxygen Redox in Lithium‐Rich Cathodes
Sign Up to like & getrecommendations! Published in 2022 at "Small Methods"
DOI: 10.1002/smtd.202200740
Abstract: Due to their accessible lattice oxygen redox (l‐OR) at high voltages, Li‐rich layered transition metal (TM) oxides have shown promising potential as candidate cathodes for high‐energy‐density Li‐ion batteries. However, this l‐OR process is also associated… read more here.
Keywords: oxygen redox; nanostructure evolutions; local nanostructure; rich cathodes ... See more keywords