Elements gradient doping in Mn-based Li-rich layered oxides for long-life lithium-ion batteries

Wang, Yinzhong; Liu, Shiqi; Guo, Xianwei; Wang, Boya; Zhang, Qinghua; Li, Yuqiang; Wang, Yulong; Wang, Guoqing; Gu, Lin; Yu, Haijun

doi:10.1016/j.jmst.2024.04.066

Journal of Materials Science & Technology

2025

DOI: 10.1016/j.jmst.2024.04.066

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Elements gradient doping in Mn-based Li-rich layered oxides for long-life lithium-ion batteries

Yinzhong Wang,

Shiqi Liu,

Xianwei Guo

et al.

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Cited by 5 publications

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Manganese‐Based Composite‐Structure Cathode Materials for Sustainable Batteries

Liu,

Wang,

et al. 2024

Advanced Energy Materials

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Manganese‐based cathode materials have garnered extensive interest because of their high capacity, superior energy density, and tunable crystal structures. Despite their cost‐effectiveness, challenges like Mn dissolution and gas evolution originating from the irreversible structural degradation pose risks to stability and prolonged electrochemical behaviors, ultimately constraining their practical applications and market prospects. While the material characteristics and redox mechanisms of Mn‐based cathodes are extensively investigated, a systematic iterative approach to material design that balances performance and application demands remains both necessary and urgent. Recent strategies for enhancing cathode performances emphasize the innovative introduction and customization of composite structures in Mn‐based cathode materials to address the challenges above. This review aims to provide a comprehensive understanding of composite‐structure construction methodologies and offers practical guidelines for effectively designing high‐stability Mn‐based composite‐structure cathode materials. This encompasses the classifications of composite scales, the discussions for the extent of composite‐structure construction inside and outside of the cathode grains, and an exploration of the development potential of these materials, especially for grid‐scale applications.

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Manganese‐Based Composite‐Structure Cathode Materials for Sustainable Batteries

Liu,

Wang,

et al. 2024

Advanced Energy Materials

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Design of high-energy-density lithium batteries: Liquid to all solid state

Du,

Zhang,

2025

eTransportation

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Layered/Olivine Composite Structure-Induced Stable Gradient Interfacial Chemistry toward High-Temperature Lithium-Ion Batteries

Tian,

Liu,

et al. 2024

ACS Nano

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The state-of-the-art layered oxide as the cathode material for lithium-ion batteries has attracted wide attention; however, harsh operations of high-energy and high-safety energystorage technology at high temperature is challenging owing to the aggravated structural instability and parasitic reactions at the cathodes. Herein, the layered/olivine composite structure architecture is designed at the grain surface to govern constant electrochemistry in a harsh environment, and a gradient LiF interlayer is developed onto the cathodes to suppress the interfacial degradation. By a combination of interfacial-sensitive characterizations and theoretical analysis at the cathode/interface, the formation mechanism of this special interphase induced by the composite structure cathode is revealed. The composite structure cathode could deliver an excellent high-temperature cycling stability with 90.8% retention for 300 cycles in the half cell and 95.6% retention for 1000 cycles in the pouch cell and simultaneously enhances ∼51% of the thermal stability, which broadens the approaches for developing high-stable cathodes that work in extreme environments.

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Elements gradient doping in Mn-based Li-rich layered oxides for long-life lithium-ion batteries

Cited by 5 publications

References 30 publications

Manganese‐Based Composite‐Structure Cathode Materials for Sustainable Batteries

Manganese‐Based Composite‐Structure Cathode Materials for Sustainable Batteries

Design of high-energy-density lithium batteries: Liquid to all solid state

Layered/Olivine Composite Structure-Induced Stable Gradient Interfacial Chemistry toward High-Temperature Lithium-Ion Batteries

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