TY - JOUR
T1 - Storage Failure Mechanisms and Modifications of Ni-Rich Cathode Materials
T2 - From Polycrystalline to Single-Crystal Forms†
AU - An, Ran
AU - Su, Yuefeng
AU - Yang, Chenxing
AU - Zhu, Xinyu
AU - Wang, Yihong
AU - Li, Yongjian
AU - Chen, Lai
AU - Lu, Yun
AU - Huang, Qing
AU - Wang, Meng
AU - Li, Ning
AU - Wu, Feng
N1 - Publisher Copyright:
© 2024 SIOC, CAS, Shanghai, & WILEY-VCH GmbH.
PY - 2025
Y1 - 2025
N2 - Ni-rich cathode materials, exemplified by LiNi1–x–yCoxMnyO2 (NCM), have significantly propelled Li-ion battery (LIB) technology forward owing to their high energy density. However, the long-term storage stability of these materials remains a critical challenge that must be addressed. This review provides a comprehensive analysis of the storage failure mechanisms in both polycrystalline (PC-NCM) and single crystal (SC-NCM) forms, a topic that has been seldom reviewed. It delves into the microstructural changes and performance degradation that occur during storage, emphasizing the effects of environmental factors on NCM materials, including the formation of surface impurities and structural deterioration. Additionally, the review discusses various enhancement strategies, such as surface coatings, doping, and gas treatments, which are designed to improve storage stability. Furthermore, the review projects insights from current polycrystalline studies to suggest future research directions aimed at enhancing the air stability of SC-NCM, which is vital for improving the safety and durability of LIBs.
AB - Ni-rich cathode materials, exemplified by LiNi1–x–yCoxMnyO2 (NCM), have significantly propelled Li-ion battery (LIB) technology forward owing to their high energy density. However, the long-term storage stability of these materials remains a critical challenge that must be addressed. This review provides a comprehensive analysis of the storage failure mechanisms in both polycrystalline (PC-NCM) and single crystal (SC-NCM) forms, a topic that has been seldom reviewed. It delves into the microstructural changes and performance degradation that occur during storage, emphasizing the effects of environmental factors on NCM materials, including the formation of surface impurities and structural deterioration. Additionally, the review discusses various enhancement strategies, such as surface coatings, doping, and gas treatments, which are designed to improve storage stability. Furthermore, the review projects insights from current polycrystalline studies to suggest future research directions aimed at enhancing the air stability of SC-NCM, which is vital for improving the safety and durability of LIBs.
KW - Air stability
KW - Defects
KW - Energy storage
KW - Li-ion batteries
KW - Long-term stability
KW - Ni-rich cathode materials
KW - Polycrystalline
KW - Single-crystal
KW - Storage failure mechanism and modification
UR - http://www.scopus.com/inward/record.url?scp=85213717758&partnerID=8YFLogxK
U2 - 10.1002/cjoc.202400806
DO - 10.1002/cjoc.202400806
M3 - Review article
AN - SCOPUS:85213717758
SN - 1001-604X
JO - Chinese Journal of Chemistry
JF - Chinese Journal of Chemistry
ER -