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Structural and Thermodynamic Understandings in Mn‐Based Sodium Layered Oxides during Anionic Redox [PDF]

open access: yesAdvanced Science, 2020
A breakthrough utilizing an anionic redox reaction (O2−/On−) for charge compensation has led to the development of high‐energy cathode materials in sodium‐ion batteries.
Seok Mun Kang   +11 more
doaj   +2 more sources

Boosting reversible anionic redox reaction with Li/Cu dual honeycomb centers

open access: yesEScience, 2023
The anionic redox reaction (ARR) is a promising charge contributor to improve the reversible capacity of layered-oxide cathodes for Na-ion batteries; however, some practical bottlenecks still need to be eliminated, including a low capacity retention ...
Feixiang Ding
exaly   +3 more sources

Configuration‐dependent anionic redox in cathode materials

open access: yesBattery Energy, 2022
The utilization of anionic redox is one of the most prospective strategies to obtain high specific capacities in addition to the transition metal redox.
Lu Yang, Rusong Chen, Zepeng Liu
exaly   +2 more sources

Activation of anionic redox in d0 transition metal chalcogenides by anion doping [PDF]

open access: yesNature Communications, 2021
Activation of anionic redox in battery materials promises great benefits for battery materials, but remains an elusive phenomenon. Here, the authors present anion-doping as a novel strategy to unlock electrochemical activity in the cobalt/nickel free ...
Bernhard T. Leube   +11 more
doaj   +2 more sources

Transition Metal Slab Gliding: One Key Process for Activating Anionic Redox Reaction in P2‐Type Transition Metal Oxide Cathodes [PDF]

open access: yesAdvanced Science
Anionic redox chemistry is crucial for determining the capacity and stability of layered oxide cathodes for Na‐ion batteries. However, the driving forces of anionic redox remain elusive.
Dongxiao Wang   +12 more
doaj   +2 more sources

Transition metal vacancy and position engineering enables reversible anionic redox reaction for sodium storage [PDF]

open access: yesNature Communications
Triggering the anionic redox reaction is an effective approach to boost the capacity of layered transition metal (TM) oxides. However, the irreversible oxygen release and structural deterioration at high voltage remain conundrums.
Congcong Cai   +13 more
doaj   +2 more sources

Metastability and Reversibility of Anionic Redox-Based Cathode for High-Energy Rechargeable Batteries [PDF]

open access: yesCell Reports Physical Science, 2020
Summary: Great focus has recently been placed on anionic redox, to which high capacities of Li-rich layered oxides are attributed. With almost doubled capacity compared with state-of-the-art cathode materials, Li-rich layered oxides still fall short in ...
Bao Qiu   +11 more
doaj   +2 more sources

Antisite occupation induced single anionic redox chemistry and structural stabilization of layered sodium chromium sulfide [PDF]

open access: yesNature Communications, 2017
The rational design of intercalation electrodes is largely confined to the optimization of redox chemistry of transition metals and oxygen. Here, the authors report the single anionic redox process in NaCrS2 where it is sulfur rather than chromium that ...
Zulipiya Shadike   +10 more
doaj   +2 more sources

Anionic redox reaction in layered NaCr2/3Ti1/3S2 through electron holes formation and dimerization of S–S [PDF]

open access: yesNature Communications, 2019
Anionic redox reactions are gaining interest as a means to optimize capacities of alkaline ion batteries. Here, the authors investigate various charge compensation mechanisms and report S–S dimerization and the formation of electron holes on sulfur in a ...
Tian Wang   +12 more
doaj   +2 more sources

Anionic Redox Topochemistry for Materials Design: Chalcogenides and Beyond [PDF]

open access: yesACS Organic & Inorganic Au, 2023
Shunsuke Sasaki   +3 more
doaj   +2 more sources

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