Monitoring LiNixCoyMn(1–x–y)O2 Degradation in Contact with Li via In Situ Transmission Electron Microscopy DOI
Min Liu, Qiang Li, Kaifeng Chen

и другие.

ACS Applied Materials & Interfaces, Год журнала: 2024, Номер unknown

Опубликована: Ноя. 6, 2024

High-voltage LiNixCoyMn(1–x–y)O2 (NCM) is one of the most promising cathode materials for high-energy-density lithium metal batteries. Significant efforts have been made on inhibiting surface transition NCM from ordered layered phase to low-ionic-conductivity rock salt phase, which facilitates maintaining a low interfacial impedance superior cycle performance. However, it often overlooked that also has electronic conductivity, may alleviate notorious growth dendrite-induced short-circuit. In this article, we further demonstrate effective in resisting pulverization contact with Li via situ transmission electron microscopy. The experiences rapid overlithiation Li, triggers lattice expansion and pulverization. overlithiation-induced degradation retarded Li-deficient disorder surface, attributed blocked Li+ primary path. Our work revisits unwanted layer cathodes, provides guideline interface design long-cycling high-safety

Язык: Английский

Bulk modification engineering of O3-NaNi0.5Mn0.5O2 layered cathode through dual-doping and synergism enables stable cycling of sodium-ion batteries DOI
Yuanfeng Wei, Zhen Wang, Peng Gao

и другие.

Journal of Power Sources, Год журнала: 2025, Номер 646, С. 237285 - 237285

Опубликована: Май 6, 2025

Язык: Английский

Процитировано

0

High quality large‐scale nickel‐rich layered oxides precursor co‐precipitation via domain adaptation‐based machine learning DOI Creative Commons

Junyoung Seo,

Taekyeong Kim, Kisung You

и другие.

InfoMat, Год журнала: 2025, Номер unknown

Опубликована: Май 8, 2025

Abstract Nickel‐rich layered oxides (LiNi x Co y Mn z O 2 , NCM) are among the most promising cathode materials for high‐energy lithium‐ion batteries, offering high specific capacity and output voltage at a relatively low cost. However, industrial‐scale co‐precipitation presents significant challenges, particularly in maintaining particle sphericity, ensuring stable concentration gradient, preserving production yield when transitioning from lab‐scale compositions. This study addresses critical issue large‐scale synthesis of nickel‐rich NCM ( = 0.8381): nickel leaching, which compromises uniformity battery performance. To mitigate this, we optimize reaction process develop an artificial intelligence‐driven defect prediction system that enhances precursor stability. Our domain adaptation based machine learning model, accounts equipment wear environmental variations, achieves detection accuracy 97.8% on data conditions. By implementing this approach, successfully scale up to over tons, achieving 83% retention after 500 cycles 1C rate. In addition, proposed approach demonstrates formation gradient composition sphericity 0.951 (±0.0796). work provides new insights into mass precursors, both performance reliability. image

Язык: Английский

Процитировано

0

Advances in synthesis and optimization of single-crystal Ni-rich cathode materials for lithium-ion batteries DOI

Jiapeng Lu,

Xin Min, Weiwei Yan

и другие.

Journal of Energy Storage, Год журнала: 2025, Номер 128, С. 117221 - 117221

Опубликована: Май 30, 2025

Язык: Английский

Процитировано

0

A short review on fast charging of Ni-rich layered oxide cathodes DOI

Jyotirekha Dutta,

Shuvajit Ghosh, Surendra K. Martha

и другие.

Journal of Solid State Electrochemistry, Год журнала: 2024, Номер unknown

Опубликована: Авг. 11, 2024

Язык: Английский

Процитировано

2

Monitoring LiNixCoyMn(1–x–y)O2 Degradation in Contact with Li via In Situ Transmission Electron Microscopy DOI
Min Liu, Qiang Li, Kaifeng Chen

и другие.

ACS Applied Materials & Interfaces, Год журнала: 2024, Номер unknown

Опубликована: Ноя. 6, 2024

High-voltage LiNixCoyMn(1–x–y)O2 (NCM) is one of the most promising cathode materials for high-energy-density lithium metal batteries. Significant efforts have been made on inhibiting surface transition NCM from ordered layered phase to low-ionic-conductivity rock salt phase, which facilitates maintaining a low interfacial impedance superior cycle performance. However, it often overlooked that also has electronic conductivity, may alleviate notorious growth dendrite-induced short-circuit. In this article, we further demonstrate effective in resisting pulverization contact with Li via situ transmission electron microscopy. The experiences rapid overlithiation Li, triggers lattice expansion and pulverization. overlithiation-induced degradation retarded Li-deficient disorder surface, attributed blocked Li+ primary path. Our work revisits unwanted layer cathodes, provides guideline interface design long-cycling high-safety

Язык: Английский

Процитировано

0