Journal
MATERIALS CHEMISTRY FRONTIERS
Volume 5, Issue 6, Pages 2607-2622Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1qm00052g
Keywords
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Funding
- National Natural Science Foundation of China [51872209, 51972239]
- Zhejiang Provincial Natural Science Foundation of China [LQ18B010004]
- Natural Sciences and Engineering Research Council of Canada (NSERC)
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This review summarizes recent progress towards the fundamental understanding of ternary layered-structure oxides, focusing on key issues such as ion intermixing, chemo-mechanical degradation, and phase evolution on the particle surface. Possible strategies and perspectives for addressing these problems are proposed in an effort to guide the further design of advanced layered-structure oxides.
The development of electric and hybrid electric vehicles has emerged as one of the most promising strategies for solving the global shortage of fossil energy problem. High-energy and high-power lithium-ion batteries are essential for achieving the large-scale commercialization of electric vehicles. Ni-rich layered-structure oxides appear to be one of the most ideal candidates for electrode materials owing to their high-energy density. However, severe degradation issues associated with chemical and structural instabilities have limited their further applications. This review summarizes recent progress toward the fundamental understanding of ternary layered-structure oxides with a particular focus on the key issues of ion intermixing, chemo-mechanical degradation, and phase evolution on the particle surface. The possible strategies, as well as perspectives for addressing these problems, are also proposed in this review as an effort to provide guidance on the further design of advanced layered-structure oxides.
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