Coupling Anionic Oxygen Redox with Selenium for Stable High‐Voltage Sodium Layered Oxide Cathodes DOI
Zhichen Xue, Neha Bothra, Dechao Meng

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 26, 2024

Abstract Utilizing anion redox reaction is crucial for developing the next generation of high‐energy density, low‐cost sodium‐ion batteries. However, irreversible oxygen in Na‐ion layered cathodes, which leads to voltage fading and reduced overall lifespan, has hindered their practical application. In this study, selenium incorporated as a synergistic active center improve stability cathodes. The redesigned cathode maintains stable by demonstrating reversible while significantly suppressing activity manganese. anionic contribution capacity selenium‐doped Na 0.6 Li 0.2 Mn 0.8 O 2 remains high 84% after 50 cycles, pristine experiences reduction 39% its initial capacity. X‐ray photoelectron spectroscopy data computational analysis further revealed that doping participates Se +4/5 stabilizes charged state increases energy step O─O dimerization, thus improving lifespan findings highlight potential coupling design address issue fade caused redox.

Language: Английский

Lattice Strengthening Enables Reversible Anionic Redox Chemistry in Sodium-Ion Batteries DOI

Yuyu Deng,

Ting Jin, Chao Li

et al.

Energy storage materials, Journal Year: 2024, Volume and Issue: unknown, P. 103935 - 103935

Published: Nov. 1, 2024

Language: Английский

Citations

6
Layered 3d Transition Metal‐Based Oxides for Sodium‐Ion and Lithium‐Ion Batteries: Differences, Links and Beyond DOI
Yuansheng Shi, Erhai Hu, Afriyanti Sumboja

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 9, 2024

Abstract Due to their stable crystal framework, promising energy density, and structural versatility, layered 3 d transition metal oxides have emerged as the preferred cathodes for lithium‐ion batteries (LIBs) sodium‐ion (SIBs). While extensive research has individually addressed lithium sodium oxides, differences interconnections between two types of materials largely been overlooked. Effectively utilizing these summaries is essential driving innovative designs inspiring new insights into structure‐property relationships. This review comprehensively bridges this gap by meticulously examining disparities links in behavior upon Li + Na storage transfer. Key aspects, including atomic electronic structure, phase mechanisms, charge compensation mechanisms electrochemical kinetics, are carefully summarized. The implications aspects on battery cycle life, rate capability thoroughly discussed. Additionally, leveraging unique characteristics each oxide explores interconnection depth. Finally, a concise perspective future targets direction deduced proposed.

Language: Английский

Citations

4
Cation migration of layered oxide cathodes for sodium-ion batteries: fundamental failure mechanisms and practical modulation strategies DOI Creative Commons

Zhuang‐Chun Jian,

Jun-Xu Guo,

Yi‐Feng Liu

et al.

Chemical Science, Journal Year: 2024, Volume and Issue: unknown

Published: Jan. 1, 2024

We comprehensively review the research advances in cation migration of sodium layered oxides, systematically revealing fundamental mechanisms and practical modulation strategies for irreversible leading to battery failure.

Language: Английский

Citations

4
Sodium-ion layered oxide cathode materials based on oxygen anion redox: Mechanism study, voltage hysteresis, and air stability improvement DOI Creative Commons

M. Ke,

Ming Wan,

Wendi Dong

et al.

Next Materials, Journal Year: 2025, Volume and Issue: 6, P. 100480 - 100480

Published: Jan. 1, 2025

Language: Английский

Citations

0
Structural Stability of Layered Oxides for Sodium-Ion Batteries: Insights and Strategies DOI

Xingyu Li,

Songlin Yu, Xiaolin Zhao

et al.

Energy storage materials, Journal Year: 2025, Volume and Issue: 79, P. 104303 - 104303

Published: May 5, 2025

Language: Английский

Citations

0
Quantitative Design of Cathode Materials for Ion Battery from a Reductionist Perspective DOI
Ang Gao, Lin Gu

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 30, 2024

Abstract The quantitative design of functionalities for functional materials is highly attractive research, which must be based on a thorough understanding the behavior fundamental particles. Reductionism advocates complex through dissection into constituent parts, providing robust framework investigating materials. In an ion battery system, this review utilizes reductionism to deconstruct cathode phase, atom, and even electron, building intrinsic connections between macroscopic properties particles across four degrees freedom. This aims enable Specifically, microscopic origins properties, that is, capacity, potential, rate, cycling reversibility, lattice, charge, orbital, spin freedom are elucidated. Additionally, current strategies summarized proposed future development directions improving these properties. These insights contribute achieving goal energy storage

Language: Английский

Citations

1
Coupling Anionic Oxygen Redox with Selenium for Stable High‐Voltage Sodium Layered Oxide Cathodes DOI
Zhichen Xue, Neha Bothra, Dechao Meng

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 26, 2024

Abstract Utilizing anion redox reaction is crucial for developing the next generation of high‐energy density, low‐cost sodium‐ion batteries. However, irreversible oxygen in Na‐ion layered cathodes, which leads to voltage fading and reduced overall lifespan, has hindered their practical application. In this study, selenium incorporated as a synergistic active center improve stability cathodes. The redesigned cathode maintains stable by demonstrating reversible while significantly suppressing activity manganese. anionic contribution capacity selenium‐doped Na 0.6 Li 0.2 Mn 0.8 O 2 remains high 84% after 50 cycles, pristine experiences reduction 39% its initial capacity. X‐ray photoelectron spectroscopy data computational analysis further revealed that doping participates Se +4/5 stabilizes charged state increases energy step O─O dimerization, thus improving lifespan findings highlight potential coupling design address issue fade caused redox.

Language: Английский

Citations

1