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高镍正极材料是一类综合性能优越的锂离子电池正极材料，它不仅可以达到比传统钴酸锂更高的能量密度，而且成本更低、更加环保，在动力电池市场具有巨大优势。为了进一步降低储能器件成本来适应与日俱增的能源需求，开发无钴高镍正极材料成为新的研究焦点。本文从镍酸锂正极的本征性质出发，论述去钴化的可行性与无钴高镍正极的重点挑战，总结目前学界已有的实现策略，最后对无钴高镍正极的发展方向作出展望。
Abstract：High-nickel cathode materials are one of the most promising candidates for lithium-ion batteries with superior comprehensive performance. These materials can achieve higher energy density than conventional lithium cobalt oxide, and have lower cost and high environmental benignity. To reduce the cost further to meet the growing energy demand, the development of cobalt-free high-nickel cathode materials becomes one of research challengess. This review discussed the feasibility of cobalt removal and the key challenges for cobalt-free high-nickel cathodes. The modification strategies were summarized based on recent related studies. In addition, the future research direction of cobalt-free high-nickel cathodes was also proposed.
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基本信息:
DOI：10.14062/j.issn.0454-5648.20230257
中图分类号:TM912
引用信息:
[1]宋晨曦,沈洋.低成本无钴高镍正极的挑战与策略[J].硅酸盐学报,2023,51(09):2214-2227.DOI:10.14062/j.issn.0454-5648.20230257.
基金信息:
国家自然科学基金(52027817)
2023-04-19
2023
2023-07-26
2023-07-20
2023
1
2023-05-29
2023-05-29
2023-05-29