The Role and Substitution of Cobalt in the Cobalt‐Lean/Free Nickel‐Based Layered Transition Metal Oxides for Lithium Ion Batteries

IF 5.1 4区材料科学 Q2 ELECTROCHEMISTRY

Batteries & Supercaps Pub Date : 2024-09-05 DOI:10.1002/batt.202400437

Taifan Yang, Zhenxin Huang, Chengyong Shu, Xiaowei Wang, Zexun Tang, Wei Tang, Kai Zhu, Yuping Wu

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Abstract

The Nickel‐based layered transition metal oxide cathode represented by NCM (LiNixCoyMnzO2, x+ y + z = 1) and NCA (LiNixCoyAlzO2, x+ y + z = 1) is widely used in the electric vehicle market due to its specific capacity and high working potential, in which Cobalt (Co) plays a huge role in improving the structural stability during the cycle. However, the limited supply of Co, due to its scarcity and the influence of geopolitics, poses a significant constraint on the further advancement of the Nickel‐based layered transition metal oxide cathode in the field of energy storage. In this paper, the mechanism of Co in the Nickel‐based layered transition metal oxides is reviewed, including its critical role for structural stability such as the inhibition of cationic mixing and the release of lattice oxygen et al Subsequently, it outlines various strategies to enhance the performance of Co‐lean/free materials are summarized, such as ion doping, including single‐ion doping and multi‐ion co‐doping, and various surface coating strategies, so as to eliminate the adverse effects of Co loss on materials. Ultimately, this paper offers a glimpse into the promising future of Cobalt‐free strategies for high performance of Nickel‐based layered transition metal oxides.

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钴在用于锂离子电池的无钴/无镍层状过渡金属氧化物中的作用和替代物

以 NCM（LiNixCoyMnzO2，x+ y + z = 1）和 NCA（LiNixCoyAlzO2，x+ y + z = 1）为代表的镍基层状过渡金属氧化物阴极因其比容量和高工作潜能而广泛应用于电动汽车市场，其中钴（Co）在提高循环过程中的结构稳定性方面发挥了巨大作用。然而，由于钴的稀缺性和地缘政治的影响，钴的供应有限，这严重制约了镍基层状过渡金属氧化物阴极在储能领域的进一步发展。本文综述了镍基层状过渡金属氧化物中钴的作用机理，包括钴对结构稳定性的关键作用，如抑制阳离子混合和释放晶格氧等，随后总结了提高无钴材料性能的各种策略，如离子掺杂（包括单离子掺杂和多离子共掺杂）和各种表面涂层策略，以消除钴损耗对材料的不利影响。最终，本文让人们看到了镍基层状过渡金属氧化物高性能化的无钴战略的美好前景。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Batteries & Supercaps Multiple-

CiteScore

8.60

自引率

5.30%

发文量

223

期刊介绍： Electrochemical energy storage devices play a transformative role in our societies. They have allowed the emergence of portable electronics devices, have triggered the resurgence of electric transportation and constitute key components in smart power grids. Batteries & Supercaps publishes international high-impact experimental and theoretical research on the fundamentals and applications of electrochemical energy storage. We support the scientific community to advance energy efficiency and sustainability.