Damage mechanisms and recent research advances in Ni-rich layered cathode materials for lithium-ion batteries

Electron Pub Date : 2024-03-16 DOI:10.1002/elt2.27
Kai Chen, Wenqin Cai, Zhihua Hu, Qingke Huang, Ao Wang, Zeng Zeng, Jiahao Song, Yan Sun, Qingquan Kong, Wei Feng, Ting Chen, Zhenguo Wu, Yang Song, Xiaodong Guo
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Abstract

Nickel-rich cathode is considered to be the cathode material that can solve the short-range problem of electric vehicles with excellent electrochemical properties and low price. However, microcracks, lithium–nickel hybridization, and irreversible phase transitions during cycling limit their commercial applications. These issues should be resolved by modifications. In recent years, it has been favored by researchers to solve a large number of problems by combining multiple modification strategies. Therefore, this paper reviews recent developments in various modification techniques for nickel-rich cathode materials that have improved their electrochemical characteristics. The summary of multiple modifications of nickel-rich materials will play a guiding role in future development.

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锂离子电池富镍层状正极材料的损伤机理和最新研究进展
富镍正极被认为是可以解决电动汽车短程问题的正极材料,具有优异的电化学性能和低廉的价格。然而,微裂缝、锂镍杂化以及循环过程中的不可逆相变限制了它们的商业应用。这些问题应通过改性来解决。近年来,通过结合多种改性策略来解决大量问题受到了研究人员的青睐。因此,本文回顾了富镍阴极材料各种改性技术的最新进展,这些技术改善了阴极材料的电化学特性。对富镍材料多重改性的总结将对未来的发展起到指导作用。
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Issue Information Cover Image, Volume 2, Number 4, November 2024 Cover Image, Volume 2, Number 4, November 2024 Design of long-wavelength infrared InAs/InAsSb type-II superlattice avalanche photodetector with stepped grading layer Recent progress on heteroepitaxial growth of single crystal diamond films
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