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Operando single-particle imaging reveals that asymmetric ion flux contributes to capacity degradation in aged Ni-rich layered cathodes
Zhengyan Lun, Alice J. Merryweather, Amoghavarsha Mahadevegowda, Shrinidhi S. Pandurangi, Chao Xu, Simon M. Fairclough, V.S. Deshpande, N.A. Fleck 等 12 位
University of Cambridge The Faraday Institution University of Chinese Academy of Sciences Maxwell Technologies (United States)
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摘要与影响
摘要 · 完整
Using an operando optical scattering technique, we identify markedly asymmetric Li-ion flux in aged single crystalline NMC cathodes, primarily caused by an uneven growth of rocksalt phase across the particle surface.
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学术脉络
学科主题
材料 / 化学Electron and X-Ray Spectroscopy Techniques
Semiconductor materials and devices · Advancements in Battery Materials
参考文献 50
Understanding the Degradation Mechanisms of LiNi0.5Co0.2Mn0.3O2 Cathode Material in Lithium Ion Batteries
被引 1,116Sung‐Kyun Jung, Hyeokjo Gwon, Jihyun Hong · Advanced Energy Materials · 2013
Capturing metastable structures during high-rate cycling of LiFePO 4 nanoparticle electrodes
被引 616Hao Liu, Fiona C. Strobridge, Olaf J. Borkiewicz · Science · 2014
Effect of Residual Lithium Compounds on Layer Ni-Rich Li[Ni0.7Mn0.3]O2
被引 339Dae‐Hyun Cho, Chang‐Heum Jo, Woosuk Cho · Journal of The Electrochemical Society · 2014
此处列出前 3 条
引用本文 37
Understanding Degradation in Single-Crystalline Ni-Rich Li-Ion Battery Cathodes
被引 41Matthew J. W. Ogley, Beth J. Johnston, David S. Hall · Chemical Reviews · 2025
Multiscale Failure Mechanisms of Ternary Oxide Cathode Materials for Lithium‐Ion Batteries
被引 39Jun Feng Su, Dongqi Li, Juan Wang · Advanced Materials · 2025
Chemical and Structural Degradation of Single Crystalline High‐Nickel Cathode Materials During High‐Voltage Holds
被引 29Kilian Vettori, Steffen Schröder, L.H. Ahrens · Advanced Energy Materials · 2025
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